Centrex-Manual. pdf
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1. To deactivate Pick up the Handset Dial 27 viz 2 7 After restoring acceptance replace handset Your incoming calls would now ring at your extension tone To activate Pick up the Handset and dial 0 Wait for BSNL ring tone Dial 126 viz 1 2 6 Listening to the acceptance tone Replace Handset To deactivate e Pick up the Handset and dial 0 e Dial 127 viz 1 2 7 e After restoring acceptance replace handset e Your incoming calls would now ring at your extension tone Call Forwarding Immediate Enables the user to forward his her call to another extension within the CENTREX group or BSNL landline mobile through BSNL CENTREX BSNL Direct To activate Dial 21 EXT viz 2 1 EXTENSION Wait for acceptance tone All incoming calls will now be diverted to EXT To deactivate Dial 21 EXT viz 2 1 EXTENSION Wait for acceptance tone All incoming calls will now ring at your extension To activate Dial 0 get BSNL dial tone Dial 114 TELE NO Wait for acceptance tone All incoming calls will diverted to TELE NO now be To deactivate Dial 0 get BSNL dial tone Dial 115 Wait for acceptance tone All incoming calls will now ring at new tele no Enables the user to forward his her call to Call Forwarding another extension within the2. 1 1 0 SC DN where SC User defined Short Code from 00 to 19 DN Dial Number viz PSTN Number After hearing acceptance tone replace handset To dial using Short Codes After picking handset dial 0 to get PSTN dial tone Dial 111 SC viz 1 1 1 S C Where S C are the two digit Short Codes between 00 and 19 Subscriber Controlled Dynamic STD ISD Lock Enables the user to lock open STD ISD calls facility using 4 digit key word CENTREX BSNL To register Secret Password Dial 33 ABCDABCD PIS ISP I AT BILC DITAI B C D Type password ABCD twice Wait for acceptance tone To activate dynamic locking Dial 34 ABCD 0 BIA TAI B I C D 0 For opening all facilities including STD and ISD Dial 34 ABCD 1 viz 3 4 AI BI C DI 1 for CENTREX CALL ONLY PSTN STD and ISD barred Dial 34 ABCD 2 viz 3 4 AI B C LD 2 for CENTREX and PSTN open STD and ISD facilities barred Dial 34 ABCD 3 viz 3 4 A B C D 3 for CENTREX PSTN and STD open Only ISD barred Dial 34 ABCD 4 viz 3 4 1 AI BI C D 4 for For CLOSING all facilities ALL calls including CENTREX barred To change secret password code Dial 33 ABCDWXYZ BIBI TATEBI CILD TW IEXILYI Z Where ABCD is the previous password for
3. CENTREX group Busy when his her number is busy or BSNL land line cell phone through BSNL CENTREX BSNL To activate Dial 67 EXT viz 6 7 EXTENSION Wait for acceptance tone All incoming calls will now be diverted to EXT when your number is busy To deactivate Dial 67 EXT viz 6 7 EXTENSION Wait for acceptance tone All incoming calls will now ring at your extension To activate Dial 0 to get BSNL tone Dial 1220 TELE NO Wait for acceptance tone All incoming calls will now be diverted to TELE NO when your number is busy To deactivate Dial 0 to get BSNL tone Dial 1221 Wait for acceptance tone All incoming calls will now ring at your phone Enables the user to forward his her call to Call Forwarding another extension within the CENTREX group No Reply only if the call is not answered within a specific time or to another BSNL line through BSNL CENTREX BSNL To activate Dial 61 EXT viz 6 1 EXTENSION Wait for acceptance tone All incoming calls will now be diverted to EXT when your number is not unanswered within certain time To deactivate Dial 61 EXT viz 6 1 EXTENSION Wait foracceptance tone All incoming calls will now ring at your extension To activate Dial 0 to get BSNL tone Dial 1221 TELE NO Wait for acceptance to
4. Listen for special dial tone Exercise one of the following e Dial 1 viz 1 e The first call will be disconnected an you will be connected to the second caller e Dial 2 viz 2 e You will be connected to second caller the first caller will be put on hold e To get back to the first call without disconnecting the call flash the hook switch and dial 2 viz 2 e By repeating above steps you can toggle between the calls e Flashing the hook switch and dialing 1 viz 1 disconnects the party with whom the connection was through just before flashing To deactivate e Dial 0 to get to BSNL dial tone e Dial 119 Call Transfer Enables the user to transfer an established call to another extension CENTREX BSNL Flash the hook switch Listen for special dial tone Dial the extension to which call is to be transferred Listen for ring back tone Wait for the transferred call to be answered Replace the handset The call is transferred to the new extension e Facility available on CENTREX only Three Party Conference Enables the user to make two simultaneous calls and talk on both the calls Alternatively establish a conference call between the three CENTREX BSNL When A is in conversation with B A flashes hook and dials C A and C are now through Now the user A is handling two calls s
5. the set AND WXYZ are the four digits for the new password To register Secret Password Dial 0 to get BSNL dial tone Dial 123 ABCDABCD Type password twice Wait for acceptance tone To activate dynamic locking e Dial 124 ABCD 0 For opening all facilities including STD and ISD e Dial 124 ABCD 1 Lock STD and ISD local only open e Dial 124 ABCD 3 Lock ISD and open STD plus local e Dial 124 ABCD 4 To lock ALL calls ISD STD Local To change secret password code e Dial 123ABCDWXYZ Enables the user to program the phone to remind him of any appointment at the registered time To register appointment e Dial 55 HHMM viz 5 5 HJ 0A IMIIM Where HHMM is hours and minutes in 24 hour military format e After hearing acceptance tone replace handset e At the registered time your telephone will ring Ensure that you answer the call otherwise Morning Alarm Wake Up Call if not answered the telephone will ring every five minutes thereafter To cancel appointment registration e Dial 55 viz S S e After getting acceptance tone hang up Summary Sheet SI Feature Action CENTREX Codes BSNL Codes 1 DoNot Activate OTH 126 Disturb Deactivate HOT 127 2 Call fwd Activate 21 EXTN 114 TELE NO Im
6. Jal Vayu Towers CENTREX USER GUIDE Bharat Sanchar Nigam Limited Bangalore INTRODUCTION BSNL s CENTREX solution for Housing Societies aims at providing reliable intercom service within the housing complex The user manual describes the procedures to be followed for activating deactivating various call handling features The following features have been provided to all the extensions in your CENTREX system Distictive Dial Tone Distinctive Ringing Call Forwarding Immediate Call Forwarding Busy Call Forwarding No Reply Call Waiting Call Transfer Call Enquiry Three Party Conference Automatic Call Back Do NOT Disturb Calling Line Identification Presentation CLIP Abbreviated Dialing Dynamic STD ISD Lock Morning alarm wake up call The additional features given below have been extended to specific extensions as decided by your CENTREX administrator because of their specific nature Please check up with your CENTREX administrator to know about the features provided on your extension Your telephone must have DTMF Tone Dialling facility to use these features Many of the features require the use of flash button on your keypad Even if this button is not available you will still be able to use the facilities by flashing the hook switch To do this depress the hook switch quickly then release it within half a second If you hold the hook switch down too long your call would be disconnected Normal Dialling CENTRE
7. X To place a call to another extension within your CENTREX group e Pick up the Handset e Dial the three digit extension number flat number PSTN To place a call outside your CENTREX group PSTN Subscriber e Pick up the Handset e Dial PSTN access code 0 to get PSTN dial tone e Dial the external number with STD ISD prefix if needed Distinctive Dial Tone This feature has been automatically built in and there is no need for any setting at the user s end You would have a different dial tone when you lift the handset CENTREX tone an a different one PSTN on pressing the exit access code 0 Distinctive Ringing This too is built in This enables one to identify from the ring of an incoming call to the origin of the call from being within the CENTREX or from an external PSTN Features as annotated hereafter may be availed either through the Centrex or direct from the BSNL exchange for those having regular BSNL subscriptions You need to dial 0 to get into the BSNL dial tone for availing direct BSNL exchange services This enables the user to prevent incoming calls ringing at the local extension When Do NOT Do NOT Disturb Disturb is activated the caller will receive an announcement or tone ALL INCOMING CALLS ARE BARRED CENTREX BSNL Direct To activate Pick up the Handset Dial 27 viz 2 7 After listening to the acceptance tone Replace Handset All incoming calls would be barred
8. imultaneously Flashing the hook switch and dialing 1 viz 1 will disconnect the connected call and the held call will be connected Flashing the hook switch and dialing 2 viz 2 will put the connected call on hold and the held call will be connected The user can exercise the above options repeatedly Flashing the hook switch and dialing 3 viz 3 will put both the calls on conference and all three will be simultaneously connected e Facility available with CENTREX only Automatic Call Back Enables the user to be automatically rung up by the system and get connected to the wanted subscriber within CENTREX if an earlier attempt was unsuccessful on account of the called subscriber being busy or no reply condition CENTREX BSNL When busy no reply condition is encountered flash the hook switch Dial 5 viz 5 After hearing the acceptance tone replace handset When the called number becomes free in case of a busy call or when the called person answers in case of no reply your extension will ring Only ONE automatic call back at one time e Facility for CENTREX only Abbreviated Dialing Enables the user to store and dial up to 20 user defined PSTN numbers using short code SC To register Short Code SC Pick up the Handset Dial 0 To get into the PSTN You would get PSTN dial tone Dial 110 SC DN viz
9. mediate Deactivate HOH 115 3 Call fwd Activate k67 EXTN 1220 Busy Deactivate HOTE 1221 4 Call fwd Activate k61 EXTN 1222 no Reply Deactivate HOLE 1223 5 Abbreviated Register code 110 SC PSTN Dialling Call code 111 SCF 6 STD ISD Set Password 33 ABCD ABCD 123 ABCD ABCD Locking Change Password 33 ABCD WXYZ 123 ABCD WXYZ Open ALL 0 34 ABCD 0 124 ABCD 0 Centrex Only 1 34 ABCD 1 N A Bar STD ISD 2 34 ABCD 2 124 ABCD 1 Bar ISD only 3 34 ABCD 3 123 ABCD 3 Bar ALL 4 34 ABCD 4 124 ABCD 4
10. ne All incoming calls will now be diverted to TELE NO when your number is not unanswered To deactivate Dial 0 to get BSNL dial tone Dial 1222 Wait for acceptance tone All incoming calls will now ring at your phone Call Waiting Enables the user to receive a call when he she is already in conversation with another person CENTREX BSNL To activate e Dial 43 viz 4 3 4 e Wait for acceptance tone e You will hear a pip tone when you receive a second call e Flash the hook switch e Listen for special dial tone Exercise one of the following e Dial 1 viz 1 e The first call will be disconnected an you will be connected to the second caller e Dial 2 viz 2 e You will be connected to second caller the first caller will be put on hold e To get back to the first call without disconnecting the call flash the hook switch and dial 2 viz 2 e By repeating above steps you can toggle between the calls e Flashing the hook switch and dialing 1 viz 1 disconnects the party with whom the connection was through just before flashing To deactivate e Pick up the Handset e Dial 43 EXT viz 4 3 4 e Wait for acceptance tone To activate e Dial 118 after BSNL tone e Wait for acceptance tone e You will hear a pip tone when you receive a second call e Flash the hook switch e
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