Hey looks like this:

https://wiki.freeswitch.org/wiki/Variable_sdp_m_per_ptime

One leg has different ptime .

On Tue, Oct 31, 2017 at 7:04 PM, Luis Daniel Lucio Quiroz <luis.daniel.lucio@gmail.com> wrote:

Hi

Is there a reason why freeswitch sends a double DSP payload in the SIP invite from a gateway? The problem is that the payload is too big that It gets fragmented and then it fails because of that.

v=0

o=FreeSWITCH 1509455513 1509455514 IN IP4 208.90.97.6

s=FreeSWITCH

c=IN IP4 208.90.97.6

t=0 0

m=audio 16724 RTP/AVP 0 101 13

a=rtpmap:0 PCMU/8000

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=rtpmap:13 CN/8000

a=rtcp-mux

a=rtcp:16724 IN IP4 208.90.97.6

a=ptime:30

m=audio 16724 RTP/AVP 18 0 8 3 101 13

a=rtpmap:18 G729/8000

a=fmtp:18 annexb=no

a=rtpmap:0 PCMU/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:3 GSM/8000

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=rtpmap:13 CN/8000

a=rtcp-mux

a=rtcp:16724 IN IP4 2

Any comments?

--

Luis Daniel Lucio Quiroz
CISSP, CISM, CISA
Linux, VoIP and much more fun
www.okay.com.mx

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Best regards,

Volodymyr

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