[Freeswitch-users] static rtpmap entries are not shown in outbound invites

Steven Ayre steveayre at gmail.com
Mon Mar 7 20:57:59 MSK 2011


> Can it be the trailing /1 (encoding parameters) on both rtpmaps ? - According to parse_rtpmap() in libsofia it should be parsed alright, but still, ep_codec_string gets filled when I receive an SDP like this (from another endpoint):

That means 1 channel (mono), which is the default. Although optional
it is correct and *should* be handled fine...

-Steve



On 7 March 2011 13:59, Leon de Rooij <leon at scarlet-internet.nl> wrote:
> Hi Brian,
>
> Thanks, that works :-)
>
> I got one last question about sdp, would you know why chan var ep_codec_string isn't set after an incoming invite with the following sdp:
>
> v=0.
> o=FOOBAR 123456 654321 IN IP4 1.2.3.4.
> s=-.
> c=IN IP4 1.2.3.4.
> t=0 0.
> m=audio 22262 RTP/AVP 18 101.
> a=rtpmap:18 G729/8000/1.
> a=rtpmap:101 telephone-event/8000/1.
> a=fmtp:101 0-15.
>
> Can it be the trailing /1 (encoding parameters) on both rtpmaps ? - According to parse_rtpmap() in libsofia it should be parsed alright, but still, ep_codec_string gets filled when I receive an SDP like this (from another endpoint):
>
> v=0.
> o=BARFOO 20494030 20494030 IN IP4 4.3.2.1.
> s=-.
> c=IN IP4 4.3.2.1.
> t=0 0.
> m=audio 50000 RTP/AVP 18 100.
> a=rtpmap:18 G729/8000.
> a=sendrecv.
> a=ptime:20.
> a=rtpmap:100 telephone-event/8000.
> a=fmtp:100 0-15.
>
>
> (btw, I'm having inbound- and outbound-codec-prefs on the incoming profile set as: "G7221 at 32000h,G7221 at 16000h,G722,PCMA,PCMU,G729,GSM" and am doing inbound-late-negotiation="true")
>
>
> Thanks,
>
> Leon
>
>
>
>
> On Mar 4, 2011, at 7:09 PM, Brian West wrote:
>
>> verbose_sdp=true
>>
>> docs/ChangeLog: mod_sofia: apparently some sip device vendors did not read the RFC (who knew?) adding verbose_sdp=true var to add needless a= lines for standard iana codecs that explicitly do not require them (r:6c4f49a8)
>>
>> /b
>>
>> On Mar 4, 2011, at 12:06 PM, Leon de Rooij wrote:
>>
>>> Can someone help me with this ?
>>
>>
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