1.26 Networking Features
336 Feature Guide
1.26.4.4 Call Transfer (CT)—by QSIG
Description
The PBX transfers the call to a destination extension in another PBX in QSIG network.
If the same trunk group is used for the incoming call and the transferred call, the following situation will be
possible.
Conditions
• This feature complies with European Telecommunication Standard (ETS) specification ETS 300 261,
Call transfer supplementary service.
• This feature can be enabled or disabled on an ISDN (QSIG) port basis.
• Call Transfer with Announcement and Call Transfer without Announcement is possible
(→ 1.11.1 Call Transfer).
[Example]
Extension 1000 of PBX-1 dials extension
number "2000", and the call is sent to
extension "2000" of PBX-2 through QSIG
network.
The call is transferred from extension
2000 to extension "1001" of PBX-1.
The call between PBX-1 and PBX-2 is
released, and the call is connected
directly to the transfer destination of
extension 2000.
PBX-1
QSIG
PBX-2
Dials "2000".
PBX-1
QSIG
PBX-2
Extn. 1000 Extn. 1001 Extn. 2000
Extn. 1000 Extn. 1001 Extn. 2000
Call to 2000
1
Transferred
to 1001
2
3
1
2
3