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NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1
Page 241
Centrex Compatibility C-109
C-109 Centrex Compatibility
General Description
This feature allows a DTMF type telephone user engaged in a trunk call to send a hooking signal to the called office,
enabling the call to be transferred to another station in that office.
Operating Procedure
Station A is connected to Station B, accommodated in another office
1. Station A presses switch hook; receives special dial tone of the called office. Dial the switch hook outside
access code, or press the CAS switch hook feature. Station B is placed on hold.
2. Station A dials the desired telephone number. When Station A releases from the call, Station B will be
connected to the dialed station.
OR
3. Station A dials the Attendant access code. When Station A releases from the call, Station B will be
connected to the Attendant.
Service Conditions
1. This feature is available for DTMF telephones TEC=23/12 only.
2. The trunk that passes the hooking signal is determined by Route Class Data.
3. A COT is required for this application.
4. A D
term
instrument may have a CAS switch hook key assigned as one of its feature/line appearance
buttons, or it can use an access code.
5. A D
term
may use its dedicated TRANSFER key to transfer calls internally.
6. CALL TRANSFER - ALL CALLS [C-11] to an inter-office station is not available when this feature is
activated.
Programming
STEP 1: ARTD - Assign CDN 67:HKS, Central Office line hooking, as “1” for Central Route.
STEP 2: AKYD - FKY 17 (CAS SHF) is assigned for D
term
s to switch hook flash the Centrex Route.
STEP 3: ADSL - Assign SN=6 (Trunk Busy) and FKY=17 (CAS SHF; CAS).
This command is used for assigning the function to each soft key.
STEP 4: ASPA - SRV = SSC (Service Code), SID = 43 Condition (CI) = (H) Hooking for CAS switch hook
outside.