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NDA-24305 CHAPTER 6
Page 253
Revision 1.0
CALL COMPLETION TO BUSY SUBSCRIBER (CCBS)
STEP 1: ARTD - Assign the following CDN data for the B channel route.
CDN43(BT): 1
STEP 2: ASYD - System Data 1, Index 68, bit 0. Operating method for busy station service.
0/1 = SHF + Access Code/Last Digit + Access Code.
System Data 1, Index 71, bits 0 through 3. Assign the timer value of Cancel Timer for
CCBS.
System Data 1, Index 71, bit 7. Automatic Cancel for CCBS. 0/1 = Out/In Service.
System Data 2, Index 4, bit 0. CCBS and OG Trunk Queuing Access Code. 0/1 = Separate/
Common.
System Data 3, Index 7. Assign Ringer Pattern for Recalling.
STEP 3: ANPD - Reserve a number level for setting/canceling CCBS.
STEP 4: ASPA - Assign an access code for setting/canceling CCBS.
• For setting CCBS
CI = B
SRV = SSC
SID = 3 (Call Back; Entry)
• For canceling CCBS
CI = N
SRV = SSC
SID = 6 (Call Back; Cancel)
STEP 5: ASFC - Assign Service Feature Class that allows SFI = 2 (Call Back) to the stations allowed this
service.