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CHAPTER 6 NDA-24305
Page 276
Revision 1.0
CALL TRANSFER SUPPLEMENTARY SERVICE (SS-CT) WITH REROUTING
5. Programming
Assign the data for IS-11572/Q-SIG interface establishment referring to “IS-11572 (Layer 3 specifications for
inter-PBX signaling protocol)/Q-SIG (Circuit Switched Basic Call-ETSI Version)” on this manual.
STEP 1: ASYD - Assign the system data concerned with this feature.
SYS1, INDEX17, b4. Blind Transfer to Attendant 0/1 = Out/In Service
SYS1, INDEX69, b0. Return transferred call to transferring party after Recall Timer
expires
0/1 = Recall/No Recall (when C.F. - Don’t Answer is set at the transfer destination)
SYS1, INDEX140, b0-b6. The duration for which a call will ring at the transfer
destination before it will recall to the transferring party. (Assign this data when ASFC,
SFI103=0)
SYS1, INDEX247, b0-b6. No Answer timer for Blind Transfer station. (Assign this data
when ASFC, SFI103=1)
STEP 2: ASFC - Assign the service feature class (SFC) for allowing this service.
SFI103 (Assign the timer value of No Answer Timer for BLIND TRANSFER TO
STATION)
0=followed by Index 140/Index 247 assigned by ASYD.
SFI104 (Processing in a case when the transfer destination does not answer within a
predetermined period of time.)
Note:
This data is available when SYS1, INDEX69, b0=1
0=The transfer destination station rings continuously
1=C.F. - Don’t Answer is executed if it is set at the transfer destination
STEP 3: ARRC - Allow the alternative route connection between the outgoing trunk and the incoming trunk.
STEP 4: ARNP - Assign the route number “0” for the self office.
Note:
This command data is not necessary for the closed numbering system.
STEP 5: ARTI - Assign the trunk application data.
CDN52 : CTCF - 1 = SS-CT/SS-CF service is effective.
CDN53 : RERT - 1 = Rerouting function is effective.