Version 5.8 345 September 2009
SIP User's Manual 6. Configuration Parameters Reference
Parameter Description
Enable Reanswering Info
[EnableReansweringINF
O]
Enables the device to send a SIP INFO message with the On-Hook/Off-
Hook parameter when the FXS phone goes on-hook during an ongoing
call and then off-hook again, within the user-defined regret timeout
(configured by the parameter RegretTime). Therefore, the device
notifies the far-end that the call has been re-answered.
[0] Disable (default)
[1] Enable
This parameter is typically implemented for incoming IP-to-Tel collect
calls to the FXS port. If the FXS user does not wish to accept the collect
call, the user disconnects the call by on-hooking the phone. The device
notifies the softswitch (or Application Server) of the unanswered collect
call (on-hook) by sending a SIP INFO message. As a result, the
softswitch disconnects the call (sends a BYE message to the device). If
the call is a regular incoming call and the FXS user on-hooks the phone
without intending to disconnect the call, the softswitch does not
disconnect the call (during the regret time).
The INFO message format is as follows:
INFO sip:12345@10.50.228.164:5082 SIP/2.0
Via: SIP/2.0/UDP 127.0.0.1;branch=z9hG4bK_05_905924040-90579
From:
<sip:+551137077803@ims.acme.com.br:5080;user=phone>;tag=00
8277765
To: <sip:notavailable@unknown.invalid>;tag=svw-0-1229428367
Call-ID: ConorCCR-0-LU-1229417827103300@dtas-
stdn.fs5000group0-000.l
CSeq: 1 INFO
Contact: sip:10.20.7.70:5060
Content-Type: application/On-Hook (application/Off-Hook)
Content-Length: 0
Notes:
This parameter is applicable only if the parameter RegretTime is
configured.
This parameter is applicable only to FXS interfaces.
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