7 Series 2757 Manual
Contents
1. 8 After the PPPoE information is set please move to Section 2 5 to enter your SIP server information 9 If you only need to change the network settings but don t need to change the SIP server information i e this is not an initial setup you must save the new network settings and reboot the 2757 To save the new network settings press Up or Down until 20 Commit Changes is selected then press Select When Changes saved is displayed on the LCD screen all the settings are saved Sita 09 08 0123456 19 Codec 2 Auto G llu 20 Commit Changes Changed saved 14 10 To reboot the 2757 press Down to move to 21 Reboot System and press Select Rebooting will appear on the LCD screen After the reboot is completed the 2757 is ready for use Osa le Oe oe 0123456 20 Commit Changes Change Saved Rebooting 2 3 DHCP When using DHCP an IP address will be issued to your IP phone by the DHCP server on your local network 1 Press Menu O34 12 SAN 0123456 1 Phone Book 2 Call Records 3 Settings 2 Press Up or Down until 3 Settings is selected then press Select 03 12 09 09 AEG TS 1 Phone Book 2 Call Records 3 Settings 15 3 Press Up or Down until 4 System Configuration is selected then press Select Dask Carus 0123456 l Language 2 Ring Type Sn CONER ASE2. Line 3 Password Line 4 Phone Number Internet 25 4 Click Management COMMIT saved Then click the Configuration Commit Reset tab and press When you see Configuration OK the network settings have been properly IP Phone Configuration Microsoft Internet Explorer File Edit View Favorites Tools Help lt lt E O gt x a JO Search Sie Favorites B 3 Address 4 http 192 168 4 50 Password Configuration Firmware Upgrade Configuration Commit Reset Commit all the configuration to flash Network COMMIT All the configuration will be set to the factory default RESET Note The login password will be set to the default value Internet 5 Click Management Click System Restart tab and then click RESTART button After the 2757 reboots it will be ready with the new network settings sword Configuration Firmware Upgrade Auto Provision Configuration Commit Reset System Restart press the Restart button to restart system Network 26 2 7 Accepting and Making Phone Calls After completing the network and SIP settings you can use the 2757 to make and accept phone calls 2 7 1 Accepting phone calls Before you can receive phone calls your phone must be registered to a SIP server You will see the message below on the LCD screen when the phone is registered 03
3. Network Release Date 03 Apr 2006 46 3 Change Display Language The default language of the 2757 is English However it can be changed to Chinese 1 Press Menu LF CSF OS Mata ele Phone Book Call Records Settings 2 Press Up or Down until 3 Settings is selected then press Select 03 12 09 09 Tao doo Phone Book Call Records 3 1 Language should be selected when this menu is entered If not use Up or Down to select it then press Select key Us le 08 0 0123456 l Language 2 Ring Type de CONG aAS E 4 System Configuration 47 4 All available languages will be displayed here A V sign will appear on the currently selected language Use Up or Down to select the desired language and press Select Press Exit to leave this menu without making any changes Jer 12 08 15 0123456 I English V Aw deadili tional Chi nese 3 8 Change Ringer Type Ring tones can be changed from the LCD screen as well as from the web interface See Section 3 3 8 for web interface 1 Press Menu LA Moda O123456 Phone Book Call Records Settings 2 Press Up or Down until 3 Settings is selected then press Select O32 12 09 09 0123456 Phone Book Call Records Settings 48 3 Press Up or Down until 2 Ring Type is selected then press Select Set 17 U
4. 4 System Configuration 4 Press Select on 1 Network Setting and use Up or Down to change network setting to DHCP then press Save 03212 09 09 AMM toa DHE FP Zi TP Address Statics A Ds Please refer to Section 2 5 for SIP server setup information 6 If you only need to change the network settings but don t need to change the SIP server information i e this is not an initial setup you must save the new network settings and reboot the 2757 To save the new network settings press Up or Down until 20 Commit Changes is selected then press Select When Changes saved is displayed on the LCD screen all the settings are saved O3si2 009 09 0123456 19 Codec 2 Auto G 1lu 20 Commit Changes Changed saved 16 7 To reboot the 2757 press Down to move to 21 Reboot System and press Select Rebooting will appear on the LCD screen After the reboot is completed the 2757 is ready for use Neale 0505 0123456 20 Commit Changes Change Saved Rebooting 2 4 Network Setup Web Configuration You can also configure the network by using a web browser In order to do this you must first know the IP address of the 2757 If you are using PPPoE or DHCP please follow the instructions below to get the IP address 2 4 1 Display IP Address 1 Press Menu O36 12 USAR 0123456 1 Phone Book 2 Call
5. CalliRejection DN Ds it ccbee lito 36 2 11 Speakerphone and Headset cccccccssssecececceeeeeceeeceeeeceeeeeeeeceeseeeeeeeeseeseeeeseeas 36 2 11 1 SPCAKCMONONG its it ll dd 36 2 0 e A 36 2 Wiel Recewng Gall a 36 2 11 2 Headsin a a Dara tulle sean Mane Peale 37 3 1 SPEED eaa a da 37 3 2 Call PORWAPGING sosa 38 Sigel BUS an AT 38 322 NO AnS Wero AA 38 323 WACOMGINOMAl a da 38 A A In o mente een ment eee eee ee ee eee eee eee 38 3 3 Advanced Settings cccccseseccccceeeseceeeeceeeeceeecseeeceeecaeaeceeeeeeaseceeeesaaseeeessaageeeeeesaagss 38 Soul ImerbDIdtlMe is A it 38 Orie o A AN 39 333 DIME Typi usais 39 3 3 4 RFC2833 Payload Type for DTMF ooccoocccncccncnccnnnncncnoncnnnnnnnancnnnnonnancnnnnnnnnncnnnnnnancnns 39 3 3 5 Handset Volume Handsfree Volume Headset Volume ooooocccccccnocccnncccnonccnnononnncoss 39 390 AMO VOM O eiunaniadiee lvince tates 39 3 3 SIENCO SUPDESSION turis ena taeeaet a tone eae een nace taes 39 3 3 8 Ring Tone Type unica sihsauvantduiavartusswer voduidvecdunnae avedutunaysesiusaeboatdvands 39 339 NWOICE COSC sical ee A 39 3 3 10 FORN AO MINS variar idas 39 3 3 11 DON ODISEA a 39 3 3 12 Del TIMEZONE ciriciri anaingia O E A 40 3 3 13 NTP Server Adaro Sidin a a a 40 3 4 Entry of Call Forward numbers from phone oocccncccncnnccnnnccccnncnnncnnnnncnnnonnnancnnnonnnanennnoos 40 3 5 Phone Book Manage MM iii A ita 41 3 5 1 Web Interface ccccconnccccoconcncconcnncconnnnncon
6. PPPoE Authentication Method PPP PAP VLAN PC Port Disable Hable with TAG O Enable without TAG 8D Internet 19 4 Now click Management on the left Then click the Configuration Commit Reset tab Press COMMIT When the Configuration OK message appears the network settings have been saved IP Phone Configuration Microsoft Internet Explorer File Edit View Favorites Tools Help Du x a JO Search 5 2 Favorites Es B 3 Address http 192 168 4 50 Password Configuration Firmware Upgrade Configuration Commit Reset Commit all the configuration to flash COMMIT Network All the configuration will be set to the factory default Note The login password will be set to the default value o J O Internet 5 Now click Management again Then click the System Restart tab and click RESTART The 2757 will reboot After about 1 minute it will be ready for use sword Configuration Firmware Upgrade Auto Provision Configuration Commit Reset System Restart press the Restart button to restart system Network System will be ready after 40 seconds 20 2 5 SIP Server Information Setup After the network setup is completed the SIP server information must be entered 1 Press Menu OLA Oe 0S 0123456 1 Phone Book 2 Call Records 3 Settings 2 Press Up or Down until 3 Settings
7. Press Menu la geros 0123456 e Book call Records settings 2 Press Up or Down until 3 Settings is selected then press Select 03 12 0909 Olano Ll Phone Book 2 Call Records Li settings 53 3 Press Up or Down until 4 System Configuration is selected Then press Select 03 12 09089 Language 0123456 Ring Type Contrast System Configuration Press Up or Down until 22 Factory Default is selected Then press Select to restore the default settins Press Exit key to return to the previous menu without making any changes Wot 1039708 0123456 Reboot System Press to reboot Factory Default 3 11 2 Web Interface 1 Click Management IP Phone Configuration Microsoft Internet Explorer File Edit View Favorites Tools Help lt E x a JO search Sie Favorites E B 33 Address http 192 168 4 50 vw Eco Links gt METE Status Version Information Mode Static IP Network IP Address 192 168 4 50 Subnet Mask 255 259 295 0 Default Gateway 192 168 4 1 Primary DNS Address 168 95 1 1 Secondary DNS Address 168 95 1 2 E Error on page Internet 54 Click Configuration commit Reset tab Then click RESET button to reset to defaults To complete the reset click COMMIT button and reboot the phone IP Phone Configuration Microsoft Internet
8. Records 3 Settings 2 Press Up or Down until 3 Settings is selected then press Select 03 12 09 09 AMELIA 1 Phone Book 2 Call Records 3 Settings 17 3 Press Up or Down until 5 Model Information is selected then press Select O32 09409 0123456 Ring Type Contrast System Configuration a Model 2ntermarian 4 Press Up or Down until 4 IP Address is highlighted Make a note of the IP address and then press Exit three times to return to the main menu Caaf Daria 0123456 3 Current Net Setting DREF 4 IP Address er Al 2 4 2 Web Interface Network Configuration 1 Use a web browser to connect to the IP address of the IP Phone For example if the IP Phone s IP address is 192 168 4 50 type http 192 168 4 50 in the browser s address bar A login window will then appear The default username is admin and the password is blank do not put anything in password field 2 about blank Microsoft Internet Explorer BAZ f j Pe 7 x E A yo Search P Favorites B B Address http 192 168 4 50 ES co Links gt Connect to 192 168 4 50 A IP Phone Configuration Web Server User name Password Cl Remember my password Opening page http 192 168 4 18 2 After you have logged in you will see a summary of the current network settings To make changes o
9. Save to keep changes or Cancel to discard a Lee MEROS 0123456 SIP User Name lalo SIP Phone Num 01234568 cancel 8 Press Down until 18 SIP Password is selected then press Select Use the numeric keypad to enter your SIP phone number After the SIP Password is entered press Save to keep changes or Cancel to discard Le O99 0S O23 436 SIP Password 1234567890 Codec 2 Auto G fllu cancel NOTE The SIP password is hidden by a series of when it is not being edited 9 Press Down until 19 Codec is selected then press Select Use Up or Down to select a codec Press Save key to store the selection Le OS 05 zada Codec Pee a Commit Changes Save changes 23 10 After all the settings are done press Down until 20 Commit Changes is selected then press Select When Changes saved is displayed on the LCD screen all the settings are saved US 09 09 0123456 19 Codec 2 Auto G llu 20 Commit Changes Changed saved 11 Press Down to move to 21 Reboot System and press Select Rebooting will appear onthe LCD screen After the reboot is completed the 2757 is ready for use d8 la 0805 0123456 20 Commit Changes Change Saved Rebooting 24 2 6 SIP Server Information Setup Web Configuration The web interface can also be used to ente
10. Type COrerast until 5 Model Information is selected then press Select O123456 System Configuration 4 All system related info press Exit to end 03712 09 09 l Model Number T5206 MAC Address Da Model Information rmation will be displayed here Press Up and Down to browse and 0123456 AAIBBICCIDDIEE EF 3 6 2 Web Interface 1 Click Status 23 IP Phone Configuration Microsoft Internet Explorer File Edit View Favorites Tools Help Oo Back DER Re oc 2B Mode IP Address Subnet Mask Default Gateway Primary DNS Address Secondary DNS Address Eco Links gt Version Information Static IP 192 168 4 50 255 255 255 0 192 168 4 1 168 95 1 1 168 95 1 2 45 2 Network related system settings will be displayed 3 IP Phone Configuration Microsoft Internet Explorer File Edit View Favorites Tools Help Os O a a da se Sie Favorites e 2 2 as Address http 192 168 4 50 Network Status Version Information Mode Static IP Network IP Address 192 168 4 50 Subnet Mask 255 255 255 0 Default Gateway 192 168 4 1 Primary DNS Address 168 95 1 1 Secondary DNS Address 168 95 1 2 A IP Phone Configuration Microsoft Internet Explorer File Edit View Favorites Tools Help Ow 0 10 Por fra O SEA Address El http 192 168 4 50 i Network Status Application Version v0 5
11. is selected then press Select 03 12 09 09 Ola ee 1 Phone Book 2 Call Records 3 Settings 3 Press Up or Down until 4 System Configuration is selected then press Select asta 0909 0123456 l Language 2 Ring Type e COntrast 4 System Configuration 21 4 Press Up or Down until 14 SIP Proxy is selected then press Select Use the numeric keypad to enter the IP address of your SIP proxy After the IP address is entered press Save to keep changes or Cancel to discard 12 09 09 0123456 LPs PLD 192 168 4 2BB SIP PortNum 5060 Cancer 9 Press Down until 15 SIP PortNum is selected then press Select Enter the SIP server s port number By default this is 5060 After the Port Number is entered press Save to keep changes or Cancel to discard idas MEROS 0123456 e SEP EY A STE FortNum 50600 6 Press Down until 16 SIP Username is selected then press Select Use the numeric keypad to enter your SIP username After the SIP Username is entered press Save to keep changes or Cancel to discard a Ls EAS 0123456 CAL Username 01234568 SIP Phone Num 012346 Cancer 22 T Press Down until 17 SIP Phone Num is selected then press Select Use the numeric keypad to enter your SIP phone number After the SIP Phone Number is entered press
12. malfunction If this happens use the following instructions to restore it to a normal state 1 Reboot the 2757 per Section 3 10 If that does not work disconnect the power cord and reconnect it after 10 seconds 2 You should see Loading onthe LCD Both the headset and mute key will illuminate for 2 seconds After this press the key twice and the original firmware will be recovered If this does not solve the problem please contact your dealer 98
13. of using conventional phone lines it uses IP data to make and receive calls over the internet Here are some of the features of the 2757 Multi protocol support The 2757 supports multiple network protocols for communication and management Among the protocols supported are TFTP FIP RTP SNTP HTTP SIP DHCP PPPoE and Telnet Quality of Service QoS Support Headset and speakerphone for hands free operation Standard numeric keypad 0 9 and with built in DTMF tone generator allowing access to on line banking services voice mail systems etc Large clear display Ergonomic handset Five speed dial keys Configuration via web browser or telnet Firmware upgrade via FTP or TFTP Built in Ethernet switch Allows a computer to be connected through the phone Silence suppression echo cancellation and dynamic jitter buffer for better voice quality Caller ID display where available Supports IEEE 802 3af Power over Ethernet PoE When connected to a PoE provider the 2757 can be powered via the Ethernet cable and does not require a power adapter 1 3 Basic Setup Please follow the instructions below to configure the 2757 and make it ready to use 1 2 6 Unpack the box and check for missing items Connect an Ethernet cable to the WAN jack on the bottom of the 2757 Be sure the other end of this cable connects to your network In a home application connect to your cable or DSL modem Ina business application conn
14. placed You can toggle between these calls with the Switch button Asecond SIP registration is not required for this function The 2757 can support up to two simultaneous calls one active and one on hold 0312 09709 lia Baa TUNA ON HOLE 1005 connected 2 7 2 4 Hold Pressing this key will place your remote party on hold so that they cannot hear anything To resume the call press Back 2 3 Making phone calls If you have registered multiple SIP phone numbers select one by pressing the a line key Lift the handset and dial the phone number Normally the phone will wait 5 seconds before transmitting the digits If you wish to dial immediately press the key after dialing If you dialed the wrong number or the remote party is not available you will see the message shown below Dame 139709 0123456 Gall 1234 failed After the call is ended hang up the phone or press the Speaker button 32 2 8 Caller ID on Call Waiting The 2757 supports Caller ID on Call Waiting With this service the 2757 will notify you if you receive a second call while you are on the phone It will also display the number of the second call Please note that this service must be provided by your ISP or VoIP PBX When you are on a call and receive another call you will hear a notification tone and the LCD will show the calling number anda Oo 69 Ult 10 82 Connected 1003 waiting To accept the incoming cal
15. 2 PZ 09 05 0123456 Cortelco 2757 If the phone is not registered to a SIP server you will see Initializing SIP displayed on LCD screen If you see this message please check your network cables and settings again Sa OA 09 0123456 T itializing SIB 27 The phone will ring when a call is received The line selector button beside the LCD will also flash If your service provider supports Caller ID the phone number of the calling party will be displayed on the LCD screen GIST DS DS 0123456 1002 Inem Ng a Answer To answer the call pick up the handset press Speaker or press Answer During the call a timer will be displayed on the LCD screen It will start from 00 00 00 and will show the total time elapsed during the call 2 7 2 In Call Options several options are available on the soft keys below the LCD screen They are described below Siz OS 70S 0123456 1002 Connected 00 00 06 2 7 2 1 Transfer Trfr Transfer current call to another phone Ask the remote party to remain online do not hang up the phone Press Trfr and you will see the following message displayed on the LCD screen Ba 09409 0123456 1002 ON HOLD 28 The call is now on hold You will hear dial tone again The remote party will hear music if the phone or server is configured to deliver it There are two types of call transfer Attended and Blind In an Attended transfer the party in
16. 7 as shown below After the headset is connected press HEADSET to make and receive calls 3 Speed Dial amp Advanced Phone Configuration 3 1 Speed Dial The 2757 has 5 speed dial buttons A phone number may be programmed to each speed dial button The web interface must be used to set a phone number for a speed dial button Refer to Section 2 4 to open a web connection to the 2757 1 Click the System link IP Phone Configuration Microsoft Internet Explorer File Edit View Favorites Tools Help Mode Static IP IP Address 192 168 4 50 Subnet Mask 255 255 255 0 Default Gateway 192 168 4 1 Primary DNS Address 168 95 1 1 168 95 1 2 3 2 Numbers can now be entered in the spaces for Speed Dial 1 5 Only numbers may be placed in these spaces To save the settings press Submit on the bottom of the webpage Aia Configuration Windows Internet Explorer Speed Dial Number 1 Speed Dial Number 2 Speed Dial Number 3 Speed Dial Number 4 Speed Dial Number 5 Busy Forwar d Number No Answer Forward Number Unconditional Forward Number Inter Digit Time 3 Call Waiting Timer 30 End Of Dial Key ODisable Enable DTMF Type O In Band RFC2833 Relay SIP INFO RFC2833 Payload Type for DTMF 101 Handset Volume Mic Volume Speaker Volume 9 Handsfree Volume Mic Volume 3 Speaker Volume 18 3 2 Call Forwarding The 2757 supports three methods of ca
17. CORTELCO 2 57 VoIP Phone Users Guide Rev 1 0 Table of Contents 1 A e Rr meet 5 1 1 Package COMES a alenes N 5 1 2 A A a en laueaveannmnnatsiamadsuasnteeaiiatan 5 1 3 A A 6 2 INGIWOIK Se lUD sisi tado 8 2 1 SAI RAS dd ee 8 2 2 o at ene ES er ee ee ee ere en ee ee ee 11 2 3 PGP raved acts il iia cinta sod 15 2 4 Network Setup Web Configuration ccccoonccnnccccconnconccononnnnnonononconncononncnnnnonnnncnnnnnnnos 17 24 Display IP Ade SS ill ad 17 2 4 2 Web Interface Network ConfiguratiON cccccocnnnconccocoonconcconnnncnnnnonnnnnnnnnnnanncnnononancnns 18 2 5 SIP Server Information Setup cccccceseeceecccceseeeesecceseceescccessecessceeeeeeessccseeeessscsess 21 2 6 SIP Server Information Setup Web Configuration ooonccnccccconncnnccononncnnnnnnancnonononnns 25 2 7 Accepting and Making Phone Calls ccccoooonccnncccconncnncnononcnnncnonannnnncnonancnnnnnnnanonos 27 ZA ACCEPI PHONG CaS uta iria 27 2 2 IM GallhOPONS wcasec cota ccnrtt aliens ahs di eh do 28 2 redt Atended TAN Sl oamirag Sacchi a a Nada areas 29 22 k2 Bind ANS daa 30 A TO O O 30 2 1 2 3 HUNEZ orso e A aA 32 2 1 2 4 e a a lt cbatsia nls 32 2 7 3 Making phone callSunnrtal a A a a a Menus ane seutanes 32 2 8 Caller ID onr Galli WV AAG usi ina a R 33 2 9 Cal ESO idad 34 aga MISS CS dol 35 2 3 2 Hecelved CGallBuan oia li orde N 35 293 A nee re eer eee eee 35 A A sins Sangean a tees cadeetonce A EN 35 240
18. Explorer DER File Edit view Favorites Tools Help Q sax y O x a yo Search P Favorites B gt 3 Address http 192 168 4 50 te yao Links gt Password Configuration Firmware Upgrade Configuration Commit Reset Sy Commit all the configuration to flash COMMIT Network All the configuration will be set to the factory default Note The login password will be set to the default value Internet 3 12 Change Password for the Web Interface The web login password can be changed Connect to the 2757 with the web interface then follow the instructions below 1 2 Click Management At the Password Configuration screen enter your current password and then enter the new password twice Press Submit To exit without changing the password close the web browser or click another link in the configuration web page A IP Phone Configuration Microsoft Internet Explorer File Edit view Tools Help Q sa Z x a JO search 2 Favorites s B ee 3 Address http 192 168 4 50 v SE Links gt Password Configuration Firmware Upgrade Configuration Commit Reset Network Current Password New Password Confirm Password E Done Internet 55 4 Troubleshooting If your 2757 is not working properly please check this troubleshooting checklist Nothing is displayed e Is the AC adapter plugged into an electrica
19. IP server information 10 10 If you only need to change the network settings but don t need to change the SIP server information i e this is not an initial setup you must save the new network settings and reboot the 2757 To save the new network settings press Up or Down until 20 Commit Changes is selected then press Select When Changes saved is displayed on the LCD screen all the settings are saved CRTA 09 08 0123456 19 Codec 2 Auto Gwifllu 20 Commit Changes Changed saved 11 To reboot the 2757 press Down to move to 21 Reboot System and press Select Rebooting will appear on the LCD screen After the reboot is completed the 2757 is ready for use 0 la 05 03 0123456 20 Commit Changes Change Saved Rebooting 2 2 PPPoE When using PPPoE an IP address will be issued to your 2757 phone by your Internet Service Provider ISP 1 Press Menu 03 12 09 09 Dia Bes Ah 1 Phone Book 2 Call Records 3 Settings 2 Press Up or Down until 3 Settings is selected then press Select 03 12 09 09 NEES Big 1 Phone Book 2 Call Records 3 Settings 3 Press Up or Down until 4 System Configuration is selected then press Select uosa UEFOS 0123456 Language Ring Type Contrast System Configuration 4 Press Select on 1 Network Setting Use Up or Dow
20. S 0123456 l Language 2 Ring Type Je Contrast 4 System Configuraion 4 All available ring tones will be listed here Use Up Down and Select key to choose a ring tone Press Exit to return to the previous menu after making a selection A V will appear on the currently selected ring tone OST 09059 Mido Chime Chime 3 9 Adjust the Contrast of LCD Screen 1 Press Menu 212 09709 BABES Maye Phone Book Call Records Settings 49 2 Press Up or Down until 3 Settings is selected then press Select LF OSs OS ESSE Phone Book Call Records Settings 3 Press Up or Down until 3 Contrast is selected then press Select USA wey 02 0123456 l Language 22 Ring Type COnmebrask 4 System Configuraion 4 Press Up to make the displayed messages darker Press Down to make the displayed messages lighter Press Save keep the new settings MEL 09709 0123456 EEEE JUL 50 3 10 Reboot the IP Phone 3 10 1 Phone Interface 1 Press Menu Te USS Edo Phone Book Call Records Settings 2 Press Up or Down until 3 Settings is selected then press Select 03 12 0909 BABES Phone Book Call Records Settings 3 Press Up or Down until 4 System Configuration is selected then press Select 03 12 09 09 0123456 Language Ring Type C
21. UZ ON HOLD Qs DUES Now dial the phone number of the third party You will see the following message displayed on the LCD screen You may return to the original call by pressing Back before you have finished dialing parla Gadus Ulsa 1002 ON HOLD Leos connec Eiis 00 00 06 30 Before the third party answers you may drop the call by pressing End The original party will then return as a new call Press Answer to return to the conversation After the connection is made you will see the following message displayed on LCD screen If the third party refuses the conference call and hangs up the second party will return as a new call Press Answer to resume this call This will also happen if you dial an invalid number for the third party 03 12 09 09 0123456 TUD UN HELE 1005 connected If the third party agrees to the conference press 3 way You will see the following message displayed on the LCD screen and the 3 way conference will be established 03 12 09 09 0123400 1002 1005 connected 3 way call in progress 00 00 06 Either the second or third party may drop off the conference at any time and the call between the originator and the other party will continue However if the originator drops the call all parties will be disconnected 31 2 2 3 Line 2 Pressing this key places the distant party on hold and provides a new dial tone Anew call can then be
22. a A JO search 2 Favorites amp A ee 3 ress http 192 168 4 50 Password Configuration Firmware Upgrade Configuration Commit Reset Network Current Password New Password Confirm Password E Done Internet 57 2 Enter the upgrade server TFTP or FTP address Select the server type TFTP or FTP Enter the upgrade filename username and password on this page Note that TFTP does not require a username or password Then press SAVE After the information is saved press UPGRADE the IP Phone will connect to the upgrade server and start to download firmware This will take several minutes After the download is complete the 2757 will reboot and then will be ready for use with the new firmware Password Configuration Auto Provision Firmware Upgrade Server IP Address OASI 0 C TFTP FTP Filename faprs squashfs_CAPvl06img X FTP Username e FTP Password e Please press the Save button to save the setting SAVE Please press the Update button to update firmware UPGRADE Note System will be rebooted for updates The update process will take several rr WARNING Do not disconnect power press any key take the phone off hook or disconnect from the network during the upgrade procedure This can cause the downloaded firmware to be corrupt and the upgrade will fail 5 2 Recover from Unsuccessful Firmware Update If the download fails the 2757 may
23. ect to a convenient network outlet Install the desk stand as shown below Note that the stand can be installed in two different positions to change the angle of the phone Connect one end of the handset cable to the handset Note that the handset cable is not symmetrical Connect the end with the shorter flat portion to the handset Insert the other end of the handset cable to the handset jack on the phone as shown below Note that the handset cable is not symmetrical Connect the end with the longer flat portion to the phone Route the handset cable in the channel provided gt o If not using PoE plug the power adapter into an AC outlet Connect the power jack of the power adapter to the power jack in the base of the phone 7 All the lighted buttons on the phone should now briefly light If not please verify that the phone has power 7 mb By default the 2757 will use Dynamic Host Configuration Protocol DHCP to obtain an IP address automatically You will see the message below during this time If the phone is unable to get an IP address the Message Waiting LED the bar shaped LED located above the LCD will light in red The phone will try to obtain an IP address for 2 to 3 minutes After this the Message Waiting LED will go out the Loading message will disappear and the phone will stop trying to obtain an IP address 7 2 lf an IP address is obtained you will see screen shown belo
24. ed from the microphone This can be useful to reduce the required network bandwidth However it can cause the voice quality to degrade 3 3 8 Ring Tone Type The 2757 offers 5 different ringtones 3 3 9 Voice Codec The 2757 supports G 711 and G 729 codecs Normally the service provider will furnish this information 3 3 10 Forward Timer This is the amount of time in seconds before a call is forwarded if Call Forward No Answer is activated 3 3 11 Do Not Disturb This performs the same function as pressing the DND button 39 3 3 12 Set Time Zone The 2757 supports time zones based on GMT 3 3 13 NTP Server Address The 2757 keeps time based on signals from a Network Time Protocol NTP server Enter a valid NTP server address here 3 4 Entry of Call Forward numbers from phone Call forwarding numbers can also be set from the phone 1 Press Menu Use Up and Down to select the third item 3 Settings Press Select key 212 09 7 09 01734596 Phone Book Call Records 2 Select System Configuration using Up Down and Select DAAE 09 09 0123456 Language Ring Type Contrast System Configuration 40 3 Press Down to highlight the desired type of call forward Press Select TZ 0909 0123456 10 BusyForwardNumber 11 NoAnswerForwardNumber 12 UnconditionalForwardNumber 13 DNDForwardNumber Dis 4 Enter the number using t
25. he keypad Press Save to save changes Press Clear to erase a number or press Cancel to keep the original number unchanged 03312 0909 0123456 10 BusyForwardNumber 1234567890 11 NoAnswerForwardNumb er 3 5 Phone Book Management 3 5 1 Web Interface The web interface must be used to enter frequently dialed numbers into the phone book 1 Click Phone Book link 3 IP Phone Configuration Microsoft Internet Explorer File Edit View Favorites Tools Help Lx a A ya Search Sie Favorites E a 3 ress E http 192 168 4 50 Version Information Mode Static IP IP Address 192 168 4 50 Subnet Mask 255 255 255 0 Default Gateway 192 168 4 1 i y DNS Address 168 95 1 1 168 95 1 2 41 2 Phone book entries will be displayed on this page and new names and numbers may be entered After entering the number and the name press Add to save the entry To delete an existing entry enter the phone number in the Number field and then press Delete IP Phone Configuration Microsoft Internet Explorer File Edit View Favorites Tools Help Q sax gt x a E JO search She Favorites B 3 Address El http 192 168 4 50 Phone Book Number 3 5 2 Phone Interface Existing phone book entries can be accessed from the 2757 1 Press Menu Then press Select on the first item 1 Phone Book 03 12 09 09 FEZ SAG l Pho
26. itiating the transfer remains connected until the transfer is completed In a Blind transfer the part initiating the transfer begins the transfer and then drops off The transfer is then completed 2 7 2 1 1 Attended Transfer To use attended call transfer dial another phone number and you will see the following message on the LCD screen Ma MMS 0123456 1002 ON HOLD 1005 connecting OEE OG Once the connection is made you will see the following message ds Ta Mod 0123456 1002 ON HOLD LOUD connected 00 00 06 Once the remote party has agreed to the transfer press Trfr and the transfer will be completed Darl Oe a 0123456 transfer completed If the transfer fails for some reason press Back to resume the original call The original party will come back as an incoming call Press Answer to resume the call 29 2 2 1 2 Blind Transfer To perform a blind transfer dial the asterisk key after dialing the phone number for the transfer You will see the following message displayed on the LCD screen Jsit2z 09W09 0123456 Blind Transfer Completed At this point the call will be transferred If a blind transfer fails the call cannot be retrieved 2 2 2 3 way To create a 3 way conference ask the remote party to remain online Press 3 way You will hear dial tone in the handset and see the following message on the LCD screen 3 12 09805 0123456 DO
27. l on LCD screen outlet Is the AC adapter connected to the 2757 If using PoE check the PoE switch and the Ethernet cable Check contrast setting see malformed Disconnect the power cord and Ethernet strange text cable and reconnect after 10 seconds displayed on the LCD screen of IP Phone can not hear Replace the cord between the 2757 and the dialtone handset with a new one Press SPEAKER If dialtone is heard replace the handset Check the volume setting Try increasing it can hear dialtone in If busy tone is heard in the handset the the handset but can remote party may be busy not online or not at not place accept the dialed number Try the call again later phone call and make sure the phone number is correct If Initializing SIP server is displayed on the LCD screen please check the network connection If there is no problem with the network connection contact the service provider 96 5 Firmware Update 5 1 Upgrade Procedure 1 The system software used by the 2757 can be updated when a newer version is available Please go to www cortelco com to check for a new version of firmware The following information will be needed to upgrade TFTP FTP server address Image file name username for FTP only password for FTP only Click Management Then click Firmware Update tab A IP Phone Configuration Microsoft Internet Explorer Tools Help Q sxx pe x
28. l dialed phone numbers will be listed here You can press Dial to call the selected number Delete to delete a selected number or Exit to return to the previous menu 2 9 4 Unanswered Calls If a call is unanswered the following message will be displayed on the LCD screen Ba T7 0S 0123456 Cortelco 2757 Pressing Miss will take you to the Missed Calls menu described in Section 2 9 1 35 2 10 Call Rejection DND Do Not Disturb DND can be used to avoid phone calls To activate DND press DND The e icon will be displayed on the LCD screen When DND is activated callers will hear busy tone or a voice mail message if voice mail is available ADND forward number may also be set See Section 3 2 4 or 3 4 If this is set all calls will forward to this number Calls can still be made when in the DND mode To deactivate DND press DND again The a icon will disappear posada Beis gt 0123456 0123456 Cortelco2757 2 11 Speakerphone and Headset Calls may also be placed using speakerphone or headset This provides a hands free phone operating environment 2 11 1 Speakerphone 2 11 1 2 Placing Calls Press SPEAKER After hearing dial tone dial the number and speak to the phone when the call is answered 2 11 1 3 Receiving Calls Press SPEAKER when the phone rings 36 2 11 2 Headset To use a headset insert the headset plug into the headset jack of the 275
29. l press flash This will place the existing call on hold If you hang up the phone while you have a call waiting the waiting call will become as a new call The phone will make a tone to alert you that you have a call You can accept this call by pressing Answer arde Was U LZ S455 1002 waiting Connected You may toggle between the calls using flash 33 2 9 Calling History The 2757 maintains a calling history database You can check for outgoing calls incoming calls and missed calls dis Press Menu 03 12 09 09 01234596 1 Phone Book 2 Call Records 3 Settings 2 Press Up or Down 2 until Call Records is selected then press Select 03 12 09 09 PPSA 1 Phone Book 2 Call Records 3 Settings 3 Use Up and Down to select a call record type Press Select to view them DEL BS 0S PA a ee ene Missed Calls 34 2 9 1 Missed Calls All unanswered calls will be listed here You can use Up and Down to move in this list Press Dial to call the number selected press Delete to delete a selected entry or press Exit to return to previous menu 21 9 09 Oe EG s97 225 is Gel E E 2 9 2 Received Calls All accepted phone calls are listed here You can press Dial to call the selected number Delete to delete a selected number or Exit to return to the previous menu 2 9 3 Placed Calls Al
30. ll forwarding These numbers may also be entered on this web page Again only numbers are allowed in these entries 3 2 1 Busy An incoming call will be transferred to this number if the 2757 is busy or if DND is activated 3 2 2 No Answer An incoming call will be transferred to this number if the call is not answered 3 2 0 Unconditional All incoming calls will be transferred to this number 3 2 4 DND The number to which incoming calls will be transferred when DND is activated 3 3 Advanced Settings CAUTION These settings should only be changed by someone with a thorough understanding of VoIP 3 3 1 Inter Digit Time This is the time interval between dialed digits 38 3 3 2 End of Dial Key When enabled the key will force immediate dialing 3 3 3 DTMF Type This controls the method by which DTMF tones are delivered The correct method will depend on the target application For example many IVR systems will require In Band tone 3 3 4 RFC2833 Payload Type for DTMF The RTP payload value for DTMF This is usually set to 101 3 3 5 Handset Volume Handsfree Volume Headset Volume Allows adjustment of send and receive levels Numbers from 0 to 8 are allowed Higher numbers are louder 3 3 6 Ring Volume Allows adjustment of ringer level Numbers from 0 to 10 are allowed Higher numbers are louder 3 3 7 Silence Suppression When enabled the 2757 will not transfer data when there is no voice detect
31. n to change network setting to PPPoE Then press Save 034 12 09 099 0123456 1 Network Setting PPPOE 2 IP Address Static 197 1682 4 50 12 5 Press Down until 7 PPPoE Username is selected and press Select You ll be prompted to enter a PPPoE username Use the numeric keypad to input your username For example to enter B press 2 rapidly 3 times The time between each keystroke must be less than 2 seconds If the time period is longer than 2 seconds the cursor will move right and you can enter a new character To erase a character press Clear When you finish entering the PPPoE username press Save or press Cancel to discard You can input up to 40 characters 03712 OS 05 O23 456 6 DNS Server2 Static P66 1 DS ead 2 PPPoE Username Alang 6 Now press Down until 8 PPPoE Password is selected and press Select You will be prompted to enter a PPPoE password Use the method described in the previous step to enter and save your password La 1005 0123456 PPPOE Username Alan PPPOE Password Alan123P 13 7 Now press Down until 9 PPPoE Authmode is selected and press Select Press Up or Down to select the PPPoE authentication mode After selecting either PAP or CHAP press Save to save the setting 03 12 09 09 0123456 8 PPPoE Password alanl23 PPPOE Authmode
32. ne Book 2 Call Records 3 Settings 42 2 All phone book entries will be displayed here Use Up and Down to select a phone book entry to dial Ls O OS 0123456 Skan Mars Kyle Brofslovski Kenny McCormic gt BELG Caria 3 After selecting a phone book entry press Dial to dial the phone number or Exit to return to the previous menu Dee O do Stan Marsh E Bee hee 4 To delete an entry press Del Be sure you wish to delete the entry because it will be deleted immediately 5 Ifa call is received from someone in the phone book their phone book name will be displayed 035312 0309 0123456 Stan Marsh 3557 0342 incoming 43 6 To delete all phone book entries press DelAll when the phone book entries are displayed You will be prompted to press 1 or 2 key 1 for YES and 2 for NO 03 12 09 09 0124500 1 Stan Marsh Sure to delall Yes 1 No 2 EII 3 6 Browse System Information System information IP address model information firmware version etc can be displayed using either the web interface or the LCD screen 3 6 1 LCD screen 1 Press Menu das Ta GHAS 0123456 1 Phone Book 2 Gall Records 3 Settings 2 Press Up or Down until 3 Settings is selected then press Select 03212 0915 0123456 1 Phone Book 2 Call Records 3 Settings 44 3 Press Up or Down 12 09 09 Ring
33. ononnononennononnnnnononnnnonannnnnnonnnnnnnnnnnnonanennononess 41 dame Phone Mena enea da 42 3 6 Browse SYS emi NONM AUO csie aida 44 01 VOD SECC enan OO 44 362 Oro A e 45 3 7 Change Display Language siria A A ia 47 3 8 Change Ringer OG rv A Sd 48 3 9 Adjust the Contrast of LOD Screen occccccccncccnccccnonccnncnononnnonnnonnncnnnononancnnnononancnnnnnnnnaness 49 3 10 Reboot the IP Pho0N cccooooncnnccccconcnnccccconnconncnononcnnnononancnnnononnncnnnononancnnnononanrnnnnnnnanennnns 51 3 10 Reboot ine IP PHONG acc o eee 51 3 10 1 PHONG IMG AG Gionin gata atu 51 3 10 2 A e o eae 52 3 11 Factory IACSEL OPA AR OO OO E A 53 4 5 3 11 1 Pronelatemtacananca ida 3 11 2 Web Mera 61 etree er Oeste nr ee ree de es 3 12 Change Password for the Web Interface oooccccconnccccccncncoconcnnconanononnanonnononnnnnnnnnnncnnas Troubleshooting Elrmware Update cont add 5 1 Upgrade ProceQUte ci a dio load oidos 5 2 Recover from Unsuccessful Firmware Update coooonccnncccnocccnncnnnnnccnncnnnanconcnnnnanennnnos 1 Introduction 1 1 Package Contents Thank you for purchasing the Cortelco 2757 Voice over Internet Protocol VoIP phone The following items should be packed with the 2757 Please contact your dealer if any of them is missing 2757 Phone Main Body Handset Handset Cable Network Cable Desk Stand 1 2 Features The 2757 is a sophisticated state of the art VoIP phone system Instead
34. ontrast System Configuration 91 4 Press Up or Down until 21 Reboot System is selected and press Select key to return to the previous menu Cee AY Press 09 0123456 to reboot Factory Default Reset 3 10 2 Web Interface 1 Click on Management 3 IP Phone Configuration File Edit View Favorites Microsoft Internet Explorer Tools Help lt E x a JO search He reverts e 8 33 Address http 192 168 4 50 Network Network status Status Version Information Mode Static IP IP Address 192 168 4 50 Subnet Mask 255 255 255 0 Default Gateway 192 168 4 1 Primary DNS Address 168 95 1 1 Secondary DNS Address 168 95 1 2 _ Internet 92 Press Exit 2 Click the System Restart tab then click the RESTART button The web page will display Phone is restarting The 2757 will be ready again in approximately 1 minute amp IP Phone Configuration Microsoft Internet Explorer File Edit View Favorites Tools Help Q sac X x a ya Search Sie Favorites 2 ee 3 Address http 192 168 4 50 Password Configuration Firmware Upgrade Configuration Commit Reset Please press the Restart button to restart system Note System will be ready after 40 seconds 3 11 Factory Reset All stored settings can be erased by resetting the 2757 to factory defaults 3 11 1 Phone Interface 1
35. r SIP information This is the only way to enter multiple SIP usernames and passwords Please refer to Section 2 4 2 to access the web interface Then follow these instructions 1 Click SIP link on the left IP Phone Configuration Microsoft Internet Explorer File Edit view Favorites Tools Help Q x a A yo Search Ie Favorites A te 3 ress E http 192 168 4 50 Network Status Status Version Information Mode Static IP IP Address 192 168 4 50 Subnet Mask 255 255 255 0 Default Gateway 192 168 4 1 Primary DNS Address 168 95 1 1 Secondary DNS Address 168 95 1 2 8 Done Internet E 2 You can enter the SIP proxy server s IP address and port here Also you can enter up to 4 sets of SIP phone number username and password 3 After all the information has been entered click Submit to store it or click Cancel to discard 3 IP Phone Configuration Microsoft Internet Explorer DE File Edit view Favorites Tools Help Q sa 5 x a A JO search 5 Favorites B ee 3 Address E http 1 192 168 4 50 Es Links gt SIP Configuration a SIP Configuration Network SIP Proxy Address 192 168 4 2 SIP Proxy Port 5070 Line 1 Phone Number 0033 Line 1 Username 0033 Line 1 Password TT TT Line 2 Phone Number Line 2 Username Line 2 Password Line 3 Phone Number Line 3 Username
36. r enter additional information click Network on the left 3 IP Phone Configuration Microsoft Internet Explorer File Edit View Favorites Tools Help Back x E JO search Je Favorites e 2 ee 3 Address http 192 168 4 50 Network Status Status Version Information Mode Static IP Network IP Address 192 168 4 50 Subnet Mask 255 255 255 0 Default Gateway 192 168 4 1 Primary DNS Address 168 95 1 1 Secondary DNS Address 168 95 1 2 S Error on page p I Internet 3 On this screen you can choose the connection mode static IP PPPoE or DHCP enter the IP address in static IP mode and enter PPPoE username and password You can also enable the VLAN function After entering the desired settings you must click Submit at the bottom of the web page To discard the settings click Cancel IP Phone Configuration Microsoft Internet Explorer File Edit View Favorites Tools Help Q sac Rae x a a P seah She Favorites e B te 3 Address E http 192 168 4 50 Network Configuration Configuration A Mode Static IP ODHCP PPPoE IP Address 192 fies 4 so __ Subnet Mask 255 255 255 jo Default Gateway 192 fies k i Primary DNS Address 168 las i fi Option Secondary DNS Address 168 fos ET E 7 Option DNS User Specified O From DHCP Server Network PPPoE Username Alan Password alan123
37. ressing Clear When you have finished entering the IP address press Save or press Cancel to discard 03 12 09 09 0123456 1 Network Setting STACIE 2 IP Address Static 192 168 4 50B 6 Now you must set the subnet mask Press Up or Down until 3 Subnet mask Static is selected then press Select You ll be prompted to input the subnet mask Use the method described above to enter the subnet mask 03 12 09 09 O23 456 2 IP Address Static dB beans ge eee sme S 3 Subnet Mask Static 255 995 25S 00N 7 Now you must set the default router Press Up or Down until 4 Default Router Static is selected then press Select You will be prompted to input the IP address of the router on your local network 037312 09709 0123456 3 Subnet Mask Static Paw Ow eae a 4 Default Route Static 192 168 1 254M 8 Setting the DNS IP Address is the last step for a static IP setup Press Up or Down until 5 DNS Server 1 Static is selected and enter the IP address of the DNS server here 03 12 09 09 UL234o6 du DSEAUEE Rotter SEALLES STE o A a 5 DNS Server 1 Static 192 168 4 1BB NOTE You can set a secondary DNS Server IP address by moving to item 6 DNS Server 2 Static At least one DNS Server is required to make the 2757 work properly 9 After the IP address is set please move to Section 2 5 to enter your S
38. w If you do not see this message please check the network cable and the DHCP server Section 2 describes how to assign an IP address 13 49 08 03 123456 Cortelco 2757 8 You should now hear dial tone when you lift the handset 2 Network Setup 2 1 Static IP Address 1 Press Menu pay Ea DESTA 0123456 l Phone Book 2 Call Records 3 Settings 2 Press Up or Down until 3 Settings is highlighted then press Select 03 12 09 09 0123456 1 Phone Book 2 Call Records 3 Settings 3 Press Up or Down until 4 System Configuration is selected then press Select Ble Garrus 0123456 Language Ring Type Contrast System Configuration 4 Press Select when 1 Network Setting is highlighted Use Up or Down to change network setting to Static Press Save BES 09709 0123456 1 Network Setting SES ES 2 IP Address Static ESZ ASO o 5 Press Down until 2 IP Address Static is selected and press Select You will be prompted to enter an IP address Use the numeric keypad to input this address Use the key to input the period For example to input the IP address 192 168 4 50 press the following keys 192 168 4 50 03 12 09 09 0123456 1 Network Setting SPACIE IP Address Static ds Near E o cere meow When entering an IP address you can erase digits by p
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