[asterisk-users] Is "a=fmtp:101 0-15" a legal option in SDP ?

2009-02-09 Thread Olivier
Hi,

My patton 4638 is sending :
*v=0
o=MxSIP 0 46 IN IP4 192.168.100.52
s=SIP Call
c=IN IP4 192.168.100.52
t=0 0
m=audio 4984 RTP/AVP 8 101
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
m=image 4986 udptl t38
a=T38FaxUdpEC:t38UDPRedundancy
a=sendrecv


Asterisk (1.4.22.1) replies :
Got unsupported a:fmtp in SDP offer

Shall I care ?

regards
*
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Re: [asterisk-users] Is "a=fmtp:101 0-15" a legal option in SDP ?

2009-02-09 Thread Raj Jain
On Mon, Feb 9, 2009 at 4:43 PM, Olivier  wrote:
>
> Hi,
>
> My patton 4638 is sending :
> v=0
> o=MxSIP 0 46 IN IP4 192.168.100.52
> s=SIP Call
> c=IN IP4 192.168.100.52
> t=0 0
> m=audio 4984 RTP/AVP 8 101
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=sendrecv
> m=image 4986 udptl t38
> a=T38FaxUdpEC:t38UDPRedundancy
> a=sendrecv
>
>
> Asterisk (1.4.22.1) replies :
> Got unsupported a:fmtp in SDP offer
>
> Shall I care ?

This error is somewhat benign. Basically, the end-point is telling
that it can receive RFC 2833 events in the range of 0-15 (DTMF tones)
and Asterisk is ignoring that range.

--
Raj Jain

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Re: [asterisk-users] Is "a=fmtp:101 0-15" a legal option in SDP ?

2009-02-11 Thread Johansson Olle E

9 feb 2009 kl. 23.17 skrev Raj Jain:

> On Mon, Feb 9, 2009 at 4:43 PM, Olivier  wrote:
>>
>> Hi,
>>
>> My patton 4638 is sending :
>> v=0
>> o=MxSIP 0 46 IN IP4 192.168.100.52
>> s=SIP Call
>> c=IN IP4 192.168.100.52
>> t=0 0
>> m=audio 4984 RTP/AVP 8 101
>> a=rtpmap:8 PCMA/8000
>> a=rtpmap:101 telephone-event/8000
>> a=fmtp:101 0-15
>> a=sendrecv
>> m=image 4986 udptl t38
>> a=T38FaxUdpEC:t38UDPRedundancy
>> a=sendrecv
>>
>>
>> Asterisk (1.4.22.1) replies :
>> Got unsupported a:fmtp in SDP offer
>>
>> Shall I care ?
>
> This error is somewhat benign. Basically, the end-point is telling
> that it can receive RFC 2833 events in the range of 0-15 (DTMF tones)
> and Asterisk is ignoring that range.

To clarify: We're not ignoring DTMF. We're just not parsing the fmtp  
header.
This is a message while doing debug, so don't bother with it.

/O

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