NEC NDA-24311 User Manual

Page of 217
NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 165
Call Transfer Supplementary Service (SS-CT) with Rerouting
C-159
C-159 Call 
Transfer 
Supplementary 
Service
 (SS-CT) with Rerouting
General Description
This feature provides CALL TRANSFER activated to be followed by ETS 300 260 protocol (SS-CT). By using this
feature, the station can hold the handling call to transfer to the remote terminal. The rerouting function is also
activated with SS-CT service.
The functions of this feature are divided into the following:
1.
Call Transfer - Supplementary Service
Example) Station A : Calling Party
Station B : Called Party (Transferring Party)
Station C : Transferred-to Station
a.) When the intermediate party is disconnected after the transferred-to party answers the call:
(1) Station B holds a call from Station A.
(2) Station B calls Station C and Station C answers the call.
(3) Station A is connected to Station C as Station B is disconnected.
b.) When the intermediate party is disconnected before the transferred-to party answers the call
(BLIND TRANSFER):
(1) Station B holds a call from Station A.
(2) Station B places a call to Station C.
(3) Station B disconnects the call, and the tone Station A receives changes from the hold tone to
the ringback tone.   
(4) Station A is connected with Station C.