NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1 Page 167
Call Transfer Supplementary Service (SS-CT) with Rerouting C-159
Operating Procedure
This feature is operated when the station is in the two-party connection.
To set the service
1. Perform the switch hook flash; receive special dial tone.
2. Dial the destination’s number; receive ringback tone.
3. The destination party answers the call.
4. The user replaces the handset. Note
5. The calling party and the transferred-to party are connected.
Note: The user may replace the handset before the transferred-to party answers the call. In that case, the caller hears
ringback tone in place of hold tone.
Service Conditions
Call Transfer - Supplementary Service
1. This service is available for a Dterm, analog station, ISDN terminal, PCS terminal, or Attendant Console.
2. This feature is available with ETS 300 172 interface.
3. Bearer Capability information available for this service is speech and 3.1 kHz audio.
4. When the transferring party gets into a conversation with the destina tion party after the destinatio n
answers the call, the switch hook flash may be used to switch the connected party to the held party.
5. If the transferring party hangs up before the destination answers the call (transfers a call by BLIND
TRANSFER) and the transferred-to party is busy, the transferring party is recalled.
6. If the call transferred is to be released from the connection after the de stination answers the call, the
switchhook flash is available for the transferring party to place back the original connection in case the
destination is busy. (One digit dialing is not available for this operation.)
7. When the transferring station is released from the connection after flashing the switchhook and hears
special dial tone (before dialing the destination’s number), the caller hears reorder tone. In this case, the
transferring station is not recalled.
8. When the Call Transfer service is not available because of Register Prepause Timer time out or Register
Inter-Digit Timer time out, the transferring party hears reorder tone. In this case, the transf erring party can
perform the switchhook flash to reconnect with the calling party.
9. In this service, an incoming call via the COT cannot be transferred using BLIND TRANSFER service.
10. When the service used is to be interworked with an interface except Q-SIG, the displayed number is not
changed at the calling station. The display is the same as before the SS-CT service activated and the LCD
of the calling station displays the called station (transferring party). However, the LCD of the des ti nation
displays the calling station.
Rerouting Function
1. Rerouting function is available when:
a.) SS-CT service is available.
b.) Bearer Capability information of speech or 3.1 kHz audio is avai la ble for rerouting function.
c.) Transmission speed rate is 64 kbps.