[asterisk-dev] SIP DTMF INFO Singal-Update?

Thu Dec 6 03:53:33 CST 2007

4 dec 2007 kl. 14.49 skrev Victor Toofic:

> Hi!
>
> Sometimes I get the message: "WARNING[4232]: chan_sip.c:8847
> handle_request_info: Unable to retrieve DTMF signal from INFO message"
> because in the body of the message there is a "Signal-Update"  
> instead of
> "Signal".
>
> Im wondering what's the difference between "Signal" and "Signal- 
> Update" in
> the body of a DTMF INFO message? I think Im having some troubles  
> because
> of that.
>
> Would be trivial to add "Signal-Update" to the code? or are there  
> other
> things that should be considered?
>
What does it mean? Any documentation anywhere on how to implement it?
Is the previous duration of 2600 for signal 1 cut off to 305?

/O
> --
> Thanks..
> Victor Toofic
>
>
> -- SIP/GSX_MTY-0062c420 answered SIP/5060-ae20c770
> -- Attempting native bridge of SIP/5060-ae20c770 and SIP/ 
> GSX_MTY-0062c420
> <-- SIP read from 200.XXX.XXX.103:5060:
> INFO sip:8147776391 at 200.XXX.XXX.179:5060 SIP/2.0
> Via: SIP/2.0/UDP 200.XXX.XXX. 
> 103:5060;branch=z9hG4bK05B3c8750e5d75d9476
> From: <sip:018002668377 at 200.XXX.XXX.103>;tag=gK059e75f9
> To: "8147776391" <sip:8147776391 at 200.XXX.XXX.179>;tag=as590f7015
> Call-ID: 1473cbfe791b6ab04bbacc4d281d1c8e at 200.XXX.XXX.179
> CSeq: 32167 INFO
> Max-Forwards: 70
> Content-Length:   27
> Content-Type: application/dtmf-relay
>
> Signal= 1
> Duration= 2600
>
> --- (9 headers 2 lines) ---
> Receiving INFO!
> * DTMF-relay event received: 1
> Transmitting (no NAT) to 200.XXX.XXX.103:5060:
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 200.XXX.XXX. 
> 103:5060;branch=z9hG4bK05B3c8750e5d75d9476;received=200.XXX.XXX.103
> From: <sip:018002668377 at 200.XXX.XXX.103>;tag=gK059e75f9
> To: "8147776391" <sip:8147776391 at 200.XXX.XXX.179>;tag=as590f7015
> Call-ID: 1473cbfe791b6ab04bbacc4d281d1c8e at 200.XXX.XXX.179
> CSeq: 32167 INFO
> User-Agent: Prepago
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
> Contact: <sip:8147776391 at 200.XXX.XXX.179>
> Content-Length: 0
> X-Asterisk-HangupCause: Normal Clearing
>
>
> ---
> set_destination: Parsing <sip:8147776391 at 200.XXX.XXX.103:5060> for  
> address/port to send to
> set_destination: set destination to 200.XXX.XXX.103, port 5060
> Reliably Transmitting (no NAT) to 200.XXX.XXX.103:5060:
> INFO sip:8147776391 at 200.XXX.XXX.103:5060 SIP/2.0
> Via: SIP/2.0/UDP 200.XXX.XXX.179:5060;branch=z9hG4bK7a0dba83;rport
> From: <sip:018002668377 at 200.XXX.XXX.179:5060>;tag=as6f830f95
> To: <sip:8147776391 at 200.XXX.XXX. 
> 103:5060;bgid=16780900;bgt=public>;tag=gK0631d1a4
> Contact: <sip:018002668377 at 200.XXX.XXX.179>
> Call-ID: 134623513_12713 at 200.XXX.XXX.103
> CSeq: 102 INFO
> User-Agent: Prepago
> Max-Forwards: 70
> Content-Type: application/dtmf-relay
> Content-Length: 24
>
> Signal=1
> Duration=250
>
> ---
> <-- SIP read from 200.XXX.XXX.103:5060:
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 200.XXX.XXX. 
> 179:5060;branch=z9hG4bK7a0dba83;rport=5060
> From: <sip:018002668377 at 200.XXX.XXX.179:5060>;tag=as6f830f95
> To: <sip:8147776391 at 200.XXX.XXX. 
> 103:5060;bgid=16780900;bgt=public>;tag=gK0631d1a4
> Call-ID: 134623513_12713 at 200.XXX.XXX.103
> CSeq: 102 INFO
> Content-Length: 0
>
>
> --- (7 headers 0 lines) ---
> <-- SIP read from 200.XXX.XXX.103:5060:
> INFO sip:8147776391 at 200.XXX.XXX.179:5060 SIP/2.0
> Via: SIP/2.0/UDP 200.XXX.XXX. 
> 103:5060;branch=z9hG4bK05B3c881c77d75d9476
> From: <sip:018002668377 at 200.XXX.XXX.103>;tag=gK059e75f9
> To: "8147776391" <sip:8147776391 at 200.XXX.XXX.179>;tag=as590f7015
> Call-ID: 1473cbfe791b6ab04bbacc4d281d1c8e at 200.XXX.XXX.179
> CSeq: 32168 INFO
> Max-Forwards: 70
> Content-Length:   33
> Content-Type: application/dtmf-relay
>
> Signal-Update= 1
> Duration= 305
>
> --- (9 headers 2 lines) ---
> Receiving INFO!
> 2007-11-30 11:17:00 WARNING[4232]: chan_sip.c:8847  
> handle_request_info: Unable to retrieve DTMF signal from INFO  
> message from 1473cbfe791b6ab04bbacc4d281d1c8e at 200.XXX.XXX.179
> Transmitting (no NAT) to 200.XXX.XXX.103:5060:
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 200.XXX.XXX. 
> 103:5060;branch=z9hG4bK05B3c881c77d75d9476;received=200.XXX.XXX.103
> From: <sip:018002668377 at 200.XXX.XXX.103>;tag=gK059e75f9
> To: "8147776391" <sip:8147776391 at 200.XXX.XXX.179>;tag=as590f7015
> Call-ID: 1473cbfe791b6ab04bbacc4d281d1c8e at 200.XXX.XXX.179
> CSeq: 32168 INFO
> User-Agent: Prepago
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
> Contact: <sip:8147776391 at 200.XXX.XXX.179>
> Content-Length: 0
> X-Asterisk-HangupCause: Normal Clearing
>
>
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---
* Olle E Johansson - oej at edvina.net
* Cell phone +46 70 593 68 51, Office +46 8 96 40 20, Sweden