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SIP Operation Manual V2.6
Calling Features
Unconditional Forward: All incoming calls will be forwarded to the “Forwarding Number”
automatically.
Busy Forward: Forward the incoming call to “Forwarding Number” when the port is busy.
No Answer Forward: Forward the incoming call to “Forwarding Number” after ring timeout expires
without answer.
Call Hold: Enable the call hold feature on the specific FXS port.
Call Transfer: Enable the call transfer feature on the specific FXS port.
Call Waiting: Enable the call waiting feature on the specific FXS port.
Three-Way Calling / Service ID: Feature code of conference call defined on Nortel Soft Switch
Calling Feature Instructions:
Call Hold: Ongoing call will be put on hold after FLASH button pressed on the phone set. The
gateway will play a repeating music to the remote end.
Call Transfer: Ongoing call will be put on hold after FLASH button pressed on local phone set
(gateway plays a repeating music to the remote end). Meanwhile, local user can dial out to another
number after dial tone observed. After the handset is back on the hook, the call on hold will then be
transferred to the new call regardless of the status of the new cal. If wrong number is dialed for the
new call, just press the FLASH button to get back the call on hold. In another case, if the local user
doesn’t hang up the phone after new call sets up, press FLASH button to switch between the first
call and the new call. Please be informed that PBX between phone sets and VoIP gateway must
support FLASH features to make this function work correctly. If a phone set is connecting directly
to the FXS port of the gateway and not functioning to FLASH, please adjust the settings in “Flash
Detect Time” in category “Advanced Options”.
Example of a Three-Way calling:
1. Alex dials to Bob, Bob answers that call.
2. Alex presses Flash and call to Coral (Bob is on hold), Coral answers that call.
3. Alex dials *61 then presses Flash, thus conference call is created.
Or
1. Alex dials to Bob, Bob answers that call.
2. Coral dials to Alex (Call Waiting), Alex presses Flash to pick the second call and talk to Coral.
3. Alex dials *61 then presses Flash, thus conference call is created.