nt1 plus - Ring
Contents
1. and tone dialling ol Oo fe ee ed toneony Ji Recall key Enabled os ee EE po disable i Table B Dialling Mode 4 2 5 Extension service parameters Command numbers 19 and 29 The extension service parameter consist of a 5 digit sequence Pt Tipe otteminal _ peneriondeactveted 0 seectiauclo a a E E a A E E O p ooo e o e rene A pe pe T E a a C a 3 Generation ofmefeing uses aeacivated 0 oeoa as eres eerie 22 pe Delayed Clear Back deactivated 0 activated Activated a pe e sieve S LOT Table C Extension Service Parameter 4 2 6 Direct Commands 0O0O avoice message indicates manufacturer name hardware and software revision nn avoice message indicates the current configuration value for parameter nn Reset all restricted configuration parameters to their default values Table D Direct Commands 11 4 3 Configuration examples 4 3 1 Assigning network numbers Network numbers are used by the NT1Plus to decide if an incoming calls is to be offered to the extension i e the extension will ring The NT1Plus will offer an incoming call to an extension if either of the following conditions applies e no number has been programmed for that extension e the calling party number indicated by the network matches with one of the numbers programmed for that extension Furthermore the first network number assigned to the extension is included as the calling party number2. in outgoing calls originated from that extension It is sufficient to program any number of digits as required to identify the number among those assigned to the access As an example suppose that the ISDN service provider assigns the three numbers 87654321 87654322 and 87654323 to the user s access In this case it is sufficient to enter a single digit 7 2 or 3 to differentiate among the numbers assigned to the access For example the command n ee i a 3 will assign the 87654322 to extension 1 with the following effects e calls directed to the 87654322 to be offered to extension 1 e calls directed to the other numbers assigned to the access i e 87654321 and 87654323 will not be offered to the extension e ougoing calls originated from extension 1 will include 2 as the calling party number coded with type unknown 4 3 2 Programming Extension Service parameters 4 3 2 1 Type of terminal To deactivate extension 2 if not connected to any terminal phone or modem 29 O 9 YJ DQ YF F or 2 9 O To configure extension 1 as speech audio x ee ee or r s a 2 To configure extension 2 as telephone i e only a phone is connected to the extension i CP S S S S E or 2 9 2 4 3 2 2 Call waiting see also 0 To deactivate both types of call waiting for extension 2 a a ae a E E E or To activate only type call waiting function for extension 1 aans e e a E E S
3. interfaces a maximum of 25 mW of dc power is guaran teed to terminals that require dc voltage to detect connection to the SO bus Detect Connect 1 2 Supplementary Services The NT1Plus supports a number of supplementary services Some of them do not require any user procedures e Multiple Subscriber Number e Calling Line ID presentation CLIP and Connected Line ID presentation COLP The NT1Plus also provides for the necessary mapping between procedures based on ETSI Generic Func tional Protocol ETS 300 196 1 and user procedures that can be activated using a DTMF phone with re gister recall RR or hook flash HF keys The NT1Plus also supports the Keypad Protocol ETS 300 122 To access such services key sequence starting with or must be entered immediately after going off hook The following supplementary services are supported using the relevant ETSI standards Call Waiting CW Call Hold CH 3 Pty Conference 3 PTY Advice of Charge AOC D Explicit Call Transfer ECT Restriction of Calling Line Identification CLIR Malicious Call Identification MCID The following services are supported using the keypad protocols Call Forwarding Unconditional CFU Call Forwarding No Reply CFNR and Call Forwarding Busy CFB Voice messages ARE provided to alert users about possible results returned from the exchange These services may not be available on a general basis and may require a specific agre
4. tones are used to alert the user of which type of call wating is occurring The call waiting function can be deactivated as it may be incompatible with terminals connected to the ex tension audible signals may interfere with operation of modem or fax operation 1 2 5 Call Hold and Retrieve CH The NT1Plus allows the user to place an active call on hold and to retrieve it later This service is on the ba sis of several other services available See also 0 1 2 6 3 Party Conference 3 Pty This service allows a user with an active call and a call on hold to join both calls into a conference call 1 2 7 Advice of Charge AOC This service can be used to operate the internal metering pulse generator 1 2 8 Explicit Call Transfer ECT The explicit call transfer allows a user with an active call to user B and a call on hold to user C to join user B and user C into a single call See 0 for user procedures 1 2 9 Restriction of caller s ID CLIR The NT1Plus allows the user to invoke the Calling Line ID Restriction service on a call per call basis When the user activates this feature see 0 then the NT1Plus will include in the subsequent outgoing call a re quest to the network to restrict the caller s ID 1 2 10 Malicious caller ID MCID The NT1Plus allows the user to invoke the Malicious Caller ID service during an incoming call even after the caller s disconnection When requested to do so the network will register th
5. E 2 or 12 4 3 2 3 Metering pulses See also 0 To activate the pulse generation for extension 1 ee i ee a a a a i a ee E To deactivate the pulse generation for extension 2 or a a a ee E E E 2 9 9 9 0O 4 3 2 4 Programming the amount of currency per charging unit See also 0 This parameter contains four digits that represent the amount of currency that is equivalent to a charging unit and an additional digits that specifies the number of digits after the decimal point For example to program a value of 6 05 units of local currency for a single pulse either use O 8 6 O 5 O 3 0 8 O 6 O 5 2 4 3 2 5 Delayed clear back see also 0 To activate the clear back feature for extension 2 or a a a ee ee ee E a a a a a ee E or or or or 4 3 2 6 Audio level selection To program extension 1 for high audio levels recommended option when modems are used o s E E E E Pe 3 To program extension 1 with low audio levels o s S a a E ee 2 4 3 2 7 An example of complete programming The command oar ee ee A will program extension 2 as follows type of terminal telephone call waiting type and type II CW enabled delayed clear back generation of metering pulses audio levels 5 USER PROCEDURES 5 1 Placing a call VA Lift the handset GN Wait for the dial tone MHA Dialthe desired number 45 6 5 2 Restricting the Caller ID see
6. also 0 VA Lift the handset GN Wait for the dial tone then dial followed by the desired number 5 3 Placing a call on HOLD User can selectively activate or deactivate the indication of waiting calls by using the following procedures Lift the handset A Lift the handset GN N Cn C E and press to activate or to deactivate the indication of waiting calls Replace the handset before starting another call 5 4 Call Hold and Retrieve CH The service allows the user to put an active call e g to user B on hold to start a new call to another user e g user E This function can only be used if the HOLD supplementary service is supported by the net work and the user has subscribed the service During a call LR wait for dial tone HAH Dialthe number for connection B Bao NOTE Pressing before connection to B is completed busy or no answer restores the connection to A If the user does not start dialling within a few seconds then the original call is resumed 5 9 Handling two simultaneous calls When the user has an active call to C and a call on hold with user B the following procedures are available EE clears the active call and resume the call on hold IEJ puts the active call on hold and resumes the call on hold EE starts a three party conference IE transfers the call B is connected to C the user is released to make it possible the call transfer either B or C must be an incoming
7. call 5 6 Disabling waiting calls 5 4 6 2 Call waiting then the user can selectively activate or deactivate the indication of waiting calls by using the following procedures VA Lift the handset GN Lift the handset to deactivate the indication of waiting calls Replace the handset before starting another call e and press to activate or 5 7 Handling waiting calls The user has an active call to B and is alerted of a waiting call Different operations are possible depending on the service provided by the network and subscribed by the user Clears the incoming call pa Clear the active call and answer the waiting call m 2 Puts the active call on hold and answer the waiting call If the user puts the active call on hold and answers the waiting call then the procedures indicated in 0 ap ply with the following exception If Type II CW is accepted it will not be possible to activate neither the 3 party confe rence R3 nor or the explicit call transfer R4 After pressing R2 the waiting call enters the active state and the previously active call id held Procedures described in 0 are in force If the user goes on hook when a waiting call is present the extension will ring 5 8 3 party conference After entering the 3 party conference the following procedures are available release the connection added on conference the one previously on hold resume private conversation with the call ad
8. ded on conference After pressing R2 you have one call in the active state and another call on hold so the procedures descri bed in 0 hold 5 9 Delayed Clear Back No specific user action is required 5 10 Malicious caller ID During the active phase of the call or after the calling user has gone on hook the user can request the MCID service by pressing a E 5 11 Call forwarding services Three types of call forwarding services are avaliable through a keypad protocol In order to activate or deactivate a service the user dials a specific key sequence immediately after going off hook 5 11 1 Call forwarding unconditional The activation procedure is as follows Lift the handset and press oar a ny Ay Ay Ay Ay Ay A A A gt Gr Gy GE 2 Where ZZZZZZ represents the forwarded to number FIN i e the number where you want the call to be transferred YYYYYY represents the served user number SUN i e in case of Multiple Subscriber Number MSN the number in the access for which the request holds calls to other numbers in the access will not be transferred Alternative sequences are a en Aa Ay Ay Ay Ay Aas S E oar a i 4a Ay ay Amey Ay A to represent all numbers Lift the handset N To deactivate the service or Then press P a a GA GA GA GA GA GE 7 To decativate the service for the YYYYYY served user number SUN or r A E 0 E 2 Or to deactivate th
9. e identity of the disturbing user 2 CONFIGURATION 2 1 Configuration Parameters The NT1Plus has a number of user programmable configuration parameters contained in a non volatile memory Such parameters usually need not be altered after installation although a limited set of parame ters can be modified at any time without disrupting service The following parameters are specified for each extension assignment of network numbers terminal deactivation or type of device connected activation of call waiting generation of metering impulses delayed clear back level setting Each parameter is briefly described in the following paragraphs 2 1 1 Multiple subscriber numbers The ISDN allows multiple number to be assigned to the same access The NT1Plus uses this service to as sociate one or more numbers to either extension When such feature is programmed an incoming call can be selectively routed to either extension based on the number dialled by the caller see also 0 Up to three network numbers composed of a maximum of 25 digits can be programmed for each extension If an extension has no number associated then it will be offered every compatible call 2 1 2 Extension configuration The following paragraphs describe configuration parameters relevant to each extension 2 1 2 1 Deactivation When required e g if no terminal is connected an extension can be deactivated The NT1Plus will not offer incoming calls to a deacti
10. e service to all numbers 5 11 2 Call forwarding no reply and call forwarding busy The same activation and deactivation procedures as described in 0 for the CFU except that instead of the 21 sequence the sequence shall be used for the CFNR and the sequence shall be used for the CFB service 6 TECHNICAL SPECIFICATIONS 230 Vac 10 15 50 Hz Operating Conditions Telephone Systems Max 2 terminals For each terminal 2 telephones 1 additional ring VALUE NTAPLUS TERMINAL 1 TERMINAL 2 TEI assignment Activation of vocal messages Functioning modes Remote configuration number First network number _ _ J Second network number Third network number Dialing Mode _ _ S Extension Services Call Waiting ooo o Generation of metering impulses _ Delayed Clear Back Audio levels o d
11. ement with your ISDN service provider 1 2 1 Multiple Subscriber Numbers MSN If the MSN supplementary service has been subscribed either POTS interface can be allocated one two or three telephone numbers If numbers are properly allocated the NT1Plus is able to route incoming calls to a specific extension based on the called party number information contained in the SETUP message that indicates the incoming calls If an extension has no associated phone number it will be offered incoming calls independently of the cal led party number included in the incoming SETUP Configuration procedures to enter MSN numbers are detailed in 0 1 2 2 Calling Line Identification Presentation CLIP For outgoing calls the SETUP message contains the first number associated with the extension that ori ginated the call This number can be presented to the called party 1 2 3 Connected Line Identification Presentation COLP For incoming calls the CONNECT message contains the first number associated with the extension that originated the call This number can be presented to the calling party 1 2 4 Call Waiting CW The NT1Plus can inform the user of a waiting call through an audible signal Such information is provided in two different situations e acall is offered by the network and both channels of the access are busy type I CW e acall is offered by the network one channel is available but the extension is busy type II CW Different
12. guration parameter e request the software revision number of the device e restore all default values 4 2 1 Access command This command is used to enter the local configuration mode It is represented by the key sequence entered twice in a row when entering the access command keep interdigit pauses to less than one second 4 2 2 Assignment commands These commands are made up of two parts and have the following structure lt parameter address gt lt parameter value gt When the NT1Plus enters the configuration mode the device emits an audible tone When pressing the EJ button the NT1Plus stops the generation of the tone and prompts the user with the message enter the parameter address The user enters a two digit code representing the parameter address and the presses the key Only the last two digits entered are considered so in case of an error the user simply re enters the correct digits and press x lf the entered address is not valid the incorrect operation message is generated followed by the audible tone indicating the ready state If the entered address is a valid one then the user is prompted with a message enter the parameter value The new value can now be entered followed by the key Valid operations are confirmed via the message the value of the lt x gt parameter is lt y gt where lt x gt and lt y gt represent the address and the assigned value lf the assigned value is i
13. ncorrect the following message is given incorrect operation The configuration mode can be interrupted at any time by going on hook 4 2 3 Direct commands Direct commands have the following structure lt address gt and are shown in the table Table D Execution of command 98 is confirmed by a voice message PARAMETER ADDRESS VALUES DEFAULT 0 28 digits 0 28 digits 3 network number 0 28 digits Empty dialling mode See Table C Extension Service Parameter ooo See par 6 2 4 Ce Table A Parameters affected by extended and restricted configuration Separate commands are used for each extension N 1 holds for the 1 extension N 2 holds for the 2 extension The dialling mode and the extension service parameters consist of a sequence of digits with each digit po sition representing the value of a specific sub parameter When entering values for the dialling mode and the extension service parameters the digit 9 is used to skip the current digit position without altering the previous value of the sub parameter It is not necessary to update all digit positions in the dialling mode and extension service parameters e g if only digit position 1 and 2 have to be modified then press command after entering the two digits to terminate the 4 2 4 Dialling mode Command numbers 17 and 27 The dialling mode parameter contains two digits POSITION SUB PARAMETER VALUES DEFAULT Tone dialling pulse
14. nother socket or to resume the call from another phone 2 1 2 5 Audio level selection The NT1Plus provides for two sets of audio levels for each extension one set being optimized for speech and the other for data modems 3 SYSTEM DESCRIPTION 3 1 Composition The NT1Plus is housed in a plastic container intended for wall mounting Figure 1 The bottom part of the unit is provided with a cable for connection to the a c supply two paralleled RJ 45 modular plugs for connection to ISDN terminals on the S bus two RJ 11 modular plugs for connection to analog terminals A cage clamp terminal block in parallel to RJ 11 plugs allows direct cabling of the extensions Another cage clamp block can be used for direct cabling of the S bus Three slots are also available for connecting cables to the user telephones and to telephone line 3 2 User accessible compartment A compartment with connection blocks and switches can be accessed by removing the lid with a tool SSF TELECOM INTERF U 220V Figure 2 The compartment contains the switches indicated in 0 and e a4 pole cage clammp terminal block for the two extensions e a4 pole cage clamp terminal block for the S bus e a2 pole removable screw terminal block for the telephone line 3 3 LEDS Two LEDS are located on the front of the device and indicate the power supply state of the NT1Plus agreen LED 230 V indicates that the device is
15. nti plus Enhanced ISDN Network Termination With Dual Analog Interface sw revision 6 1x installation and user s manual rev 0 2 date January 15 1999 a Ring Data Oy Korppaanmaentie 21 AL1 PL 21 00301 HELSINKI Fax 09 4775 277 Puh 09 4774 4280 http www ringdata sci fi TABLE OF CONTENTS 1 OPERATING PRINCIPLES 3 2 CONFIGURATION OVERVIEW 5 3 SYSTEM DESCRIPTION 6 4 CONFIGURATION 9 5 USER PROCEDURES 14 6 TECHNICAL SPECIFICATIONS 17 N 1 OPERATING PRINCIPLES 1 1 Power Supply The NT1Plus has no batteries and is powered through an internal mains power supply or from the power supplied by the network over the telephone line Power consumption from the network is limited to 1 6 W in the worst case one POTS interface powered under emergency conditions 1 1 1 Normal Conditions When a c power is supplied the NT1Plus provides loop current to both POTS interfaces and normal power supply PS1 to other terminals connected to the S bus 1 1 2 Emergency Conditions The ISDN exchange provides power to the NT1Plus through the local loop This power can be used to pro vide power either to one POTS interface or to a designated terminal on the S bus When the NT1Plus is configured to provide emergency power to the POTS interfaces the use of either POTS interface excludes the other one During incoming calls ringing voltage is provided to both POTS interfaces When emergency power is provided to the POTS
16. supplied with a c power ared LED U INTERF indicates that the device is connected to the telephone line and a correct vol tage is received 3 4 Switch settings The front panel has a removable cover to access three hardware switches e S bus configuration short passive extended e emergency power one of the POTS interfaces or the S bus e terminating resistors for the S bus All other settings are made through configuration procedures 3 4 1 Short Extended Bus settings Fig 3 1 shows four possible configurations for the S BUS with the corresponding settings and maximum distances permitted 3 4 2 Terminating resistors The S bus must be properly terminated for correct operation Figure 3 shows connection points of 100 Q termination resistances for some S bus configurations 100 OHM POINT TO POINT Bus NT1 PLus 100 OHM CONNECTED 100 OHM CONNECTED NT1PLus 100 OHM NOT CONNECTED EXTENDED Bus 100 OHM CONNECTED 100 OHM NOT CONNECTED WITH SHORT CABLE 100 OHM CONNECTED WITH LONG CABLE 100 OHM CONNECTED P Oa Se EE N B 100 OHM CONNECTED WITH BOTH TERMINALS IF THE TWO CABLES ARE LONG Figure 3 4 CONFIGURATION 4 1 Configuration Procedures The configuration procedures allow the user to change the operating parameters of the device The configuration procedures can be carried out through e local commands e remote programming During
17. the configuration stage the NT1Plus suspends the normal activity on the two telephone terminals a c supply must be supplied to the NT1Plus in order to enter any configuration mode Configuration commands consist of sequences of DTMF tones During configuration the user is guided by acoustic tones and voice messages Commands must not be entered during voice messages Lack of a c power or a delay longer than 2 minutes between two operations will make the NT1Plus leave the configuration mode after executing the commands previously entered 4 1 1 Local configuration For the configuration procedures use the key pad of a DIMF phone connected to the a b interfaces e a reduced user accessible configuration mode provides access to a restricted set of configuration varia bles 4 1 1 1 Reduced local configuration To enter the reduced configuration mode e disconnect any existing call e connect a DIMF phone to one of the extension and lift the handset 4 2 Configuration Commands Configuration commands must be entered after the NT1Plus has completed sending the voice prompt The message is repeated until the corresponding parameter has been entered Wait for voice prompts to be completely issued before entering com mands The following commands are used e access command used to access the local configuration stage e assignment commands used for parameter configuration e direct commands used to e check the current setting of a confi
18. vated extension so that the network and possibly the calling user will be in formed that no phone is ringing Nevertheless it is possible to start a call from a deactivated extension Configuration procedures are described in 0 2 1 2 2 Type of terminal Each extension can be set according to the type of analog terminals connected The following settings are possible e Speech audio if different types of terminals e g a phone and a modem are connected to the extensi on e Telephone if only telephones are connected to the extension e Fax if only a fax machine is connected to the extension 2 1 2 3 Metering pulses The NT1Plus can use information provided by the exchange for the generation of metering pulses This feature can be disabled if it interferes with the operation of terminals connected to the extension If the network provides AOC information based on local currency i e the real amount of the charge incur red the NT1Plus needs to translate this information into a number of charging pulses and uses a para meter that stores the amount of currency equivalent to a charging unit If the network provides AOC information already based on charging units the NT1Plus directly transforms this information in charging pulses 2 1 2 4 Delayed Clear back When delayed clear back is enabled and a called user goes on hook the NT1Plus holds the call for a certain amount of time so that the user is allowed to move the phone to a
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