NEC NEAX 2400 IPX Programming Manual page 263

4. Programming
Assign the basic data for establishing the Q-SIG or the IS-11572 (available to operate CCNR conforming to
IS-13870 since Series 7400 Release 8 software) line referring to "IS-11572 (Layer 3 specifications for inter-
PBX signalling protocol)" or "Q-SIG Circuit Switched Basic Call-ETSI Version" in this chapter.
STEP 1: ASYD -System Data 1, Index 17, bit 0. Hooking service while hearing Ring Back Tone is available
STEP 2: ANPD -Reserve a number level for setting/canceling CCNR.
STEP 3: ASPA -Assign an access code for setting/canceling CCNR.
STEP 4: Assign Service Feature Class that allows SFI = 2 (Call Back) to the stations allowed this service.
for single line stations? 0/1 = No/Yes.
System Data 1, Index 71, bits 0 through 3. Assign the timer value of Cancel Timer for
CCNR.
System Data 1, Index 71, bit 7. Automatic Cancel of CCNR. 0/1 = Out/In Service.
System Data 2, Index 4, bit 0. CCNR and OG Trunk Queuing Access Code. 0/1 =
Separate/Common.
System Data 3, Index 7. Assign Ringer Pattern for Recalling.
• For setting CCNR
CI = H
SRV = SSC
SID = 3 (Call Back; Entry)
• For canceling CCNR
CI = N
SRV = SSC
SID = 6 (Call Back; Cancel)
CALL COMPLETION ON NO REPLY (CCNR)
NDA-24305 CHAPTER 6
Page 245
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