[Freeswitch-users] Change ptime value

[Kamil Nigmatullin]

I know you can do this easyly with opensips
22 авг. 2015 г. 16:10 пользователь "bhavik patel" <
bhavikpatel14388 at gmail.com> написал:

> Hello Everyone,
>
> I want to change ptime configuration. Will anyone  assist me to change
> ptime value 20 to 40 for codec PCMU,PCMA ?
>
> FLow : *SIP-PHONE---Ptime(20)-->FS server (Need to change Ptime to 40)
> ---------->To Provider*
>
> NOTE : If I send 40 Ptime From SIP-PHONE then Call quality is Good but for
> this i need to change all phones' ptime and I don't want to change it
> manually.So I need to change this From FS Side.
>
> Currently I can see below log in freeswitch logs :
>
> m=audio 8000 RTP/AVP 98 97 8 0 3 101
> a=rtpmap:98 speex/16000
> a=rtpmap:97 speex/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:0 PCMU/8000
> a=rtpmap:3 GSM/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=ptime:20
> Dialplan: sofia/default/4602534812 at 192.168.1.26 Action
> bridge(sofia/gateway/localgateway/001***)
>
> m=audio 24716 RTP/AVP 8 101 13
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=ptime:20
> a=sendrecv
>
> I tried different solutions for this issue but no luck.
>
> 1. Add below line before Bridge Channel
>   set(absolute_codec_string=PCMU at 8000@40i,PCMA at 8000@40i)
>
> 2. Add below line before Bridge Channel
>  set(absolute_codec_string=PCMU at 8000 at 40i,PCMA at 8000 at 40i)
>
> 3.Change below parameter in SIP profile
>    1.outbound-codec-prefs=PCMU,PCMA to outbound-codec-prefs=PCMU at 8000
> @@40i,PCMU at 16000@@40i,PCMU at 32000@@40i,PCMA at 8000@40i,PCMA at 16000
> @40i,PCMA at 32000@40i
>
>    2.outbound-codec-prefs=PCMU,PCMA,rtp-autofix-timing=false
>
>    3.outbound-codec-prefs=PCMU,PCMA,absolute_codec_string=PCMU at 40i,PCMA
> at 40i,rtp-autofix-timing=false
>
>    4.outbound-codec-prefs=PCMU at40i,PCMA at 40i
>
>    5.outbound-codec-prefs=PCMU at 8000h at 40i,PCMA at 8000h at 40i
> ,inbound-late-negotiation=false
>
>    6.outbound-codec-prefs=G729,PCMU,PCMA,inbound-late-negotiation=false
>
>
> Please point me where i am doing wrong.
>
>
> --
> Thanks,
> Bhavik Patel
>
>
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