<div dir="ltr">So if the device supports TCP, is there any reason not to use TCP. AKA is there any reason to keep on using UDP. TCP seems superior. </div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Feb 15, 2016 at 9:33 AM, Michael Jerris <span dir="ltr"><<a href="mailto:mike@jerris.com" target="_blank">mike@jerris.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">any device that even remotely follows sip<div>specs supports TCP. Most phones I have seen do.<div><div class="h5"><span></span><br><br>On Sunday, February 14, 2016, Colton Conor <<a href="mailto:colton.conor@gmail.com" target="_blank">colton.conor@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">So is TCP the preferred method of doing SIP these days? I like TCP with endpoints as they always break through firewalls and we never seem to have in issue with TCP. However UDP is a headache. So if you have the choice why not do TCP? I realize some devices only support UDP, but the majority of SIP phones out there today do support TCP.<div><br></div><div>Plus if you use TLS for encryption and security then you are already using TCP right? </div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Feb 14, 2016 at 4:07 PM, Ken Rice <span dir="ltr"><<a>krice@freeswitch.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">This behavior changed a while ago. This was dictates by ever growing SDPs and exceeding MTUs causing udp fragmentation. Udp does not deal with fragmentation and everyone refuses to fully implement sip over tcp for some reason even tho a ton of things support it and the RFCs require it<br>
<br>
Sent from my iPhone<br>
<div><div><br>
> On Feb 14, 2016, at 3:37 PM, Rajil Saraswat <<a>rajil.s@gmail.com</a>> wrote:<br>
><br>
> Thanks, after setting media_mix_inbound_outbound_codecs=true,<br>
> transcoding happens automatically. I remember not setting this<br>
> variable in other installations and transcoding used to work out of<br>
> the box. Is media_mix_inbound_outbound_codecs=true default in<br>
> Freeswitch?<br>
><br>
>> On 14 February 2016 at 13:56, Russell Treleaven <<a>rtreleaven@bunnykick.ca</a>> wrote:<br>
>> fyi <a href="https://freeswitch.org/confluence/display/FREESWITCH/Codec+Negotiation" rel="noreferrer" target="_blank">https://freeswitch.org/confluence/display/FREESWITCH/Codec+Negotiation</a><br>
>><br>
>>> On Sun, Feb 14, 2016 at 2:04 PM, Rajil Saraswat <<a>rajil.s@gmail.com</a>> wrote:<br>
>>><br>
>>> The siptrace is at <a href="http://pastebin.com/xiGqtj1Y" rel="noreferrer" target="_blank">http://pastebin.com/xiGqtj1Y</a><br>
>>><br>
>>> The call is being made from 303 (Android/CSipsimple with OPUS codec)<br>
>>> to 208 (pjsua test client with PCMU codec). The error is on line 545.<br>
>>><br>
>>> On 14 February 2016 at 11:28, Giovanni Maruzzelli <<a>gmaruzz@gmail.com</a>><br>
>>> wrote:<br>
>>>> How you originate the call? Is a bridge? From which phone?<br>
>>>><br>
>>>> Also, please pastebin the complete sip trace (from start of leg A to end<br>
>>>> of<br>
>>>> both legs) and put here a link to pastebin<br>
>>>><br>
>>>> Il 14/Feb/2016 03:54, "Rajil Saraswat" <<a>rajil.s@gmail.com</a>> ha scritto:<br>
>>>>><br>
>>>>> Hello,<br>
>>>>><br>
>>>>> I have a remote sip phone (Linksys SPA3102) which only supports PCMU.<br>
>>>>> When I call to this remote sip phone i get a 406 error that opus is<br>
>>>>> not supported as shown by the sip trace below. However, if I force the<br>
>>>>> codec to absolute like this<br>
>>>>> {absolute_codec_string='PCMU,PCMA'}sofia/internal/<a>303@192.168.1.5</a><br>
>>>>> the call works fine.<br>
>>>>><br>
>>>>> Is there anyway I can make FreeSWITCH to automatically transcode<br>
>>>>> without forcing the codec string in the dial plan?<br>
>>>>><br>
>>>>> The codec preferences is set as global_codec_prefs=OPUS,PCMU,PCMA and<br>
>>>>> outbound_codec_prefs=PCMU,PCMA,GSM<br>
>>>>><br>
>>>>> ---------------------------siptrace--------------------------------<br>
>>>>><br>
>>>>> recv 333 bytes from udp/[192.168.1.5]:5060 at 08:02:16.368499:<br>
>>>>><br>
>>>>><br>
>>>>> ------------------------------------------------------------------------<br>
>>>>> SIP/2.0 406 Not Acceptable<br>
>>>>> Via: SIP/2.0/UDP<br>
>>>>><br>
>>>>><br>
>>>>> 192.168.1.111;rport=5060;received=192.168.1.111;branch=z9hG4bKeS356tttajjej<br>
>>>>> Call-ID: 00ff246a-4d66-1234-f4b2-74d02b7a3124<br>
>>>>> From: "202" <<a>sip:202@192.168.1.111</a>>;tag=DFX0FUvr2vNcm<br>
>>>>> To: <<a>sip:303@192.168.1.5</a>>;tag=htMF9ckdglw3EJRZaILd6XWt4uVKAO8q<br>
>>>>> CSeq: 87372504 INVITE<br>
>>>>> Content-Length: 0<br>
>>>>><br>
>>>>><br>
>>>>><br>
>>>>> ------------------------------------------------------------------------<br>
>>>>> send 324 bytes to udp/[192.168.1.5]:5060 at 08:02:16.368591:<br>
>>>>><br>
>>>>><br>
>>>>> ------------------------------------------------------------------------<br>
>>>>> ACK <a>sip:303@192.168.1.5</a> SIP/2.0<br>
>>>>> Via: SIP/2.0/UDP 192.168.1.111;rport;branch=z9hG4bKeS356tttajjej<br>
>>>>> Max-Forwards: 68<br>
>>>>> From: "202" <<a>sip:202@192.168.1.111</a>>;tag=DFX0FUvr2vNcm<br>
>>>>> To: <<a>sip:303@192.168.1.5</a>>;tag=htMF9ckdglw3EJRZaILd6XWt4uVKAO8q<br>
>>>>> Call-ID: 00ff246a-4d66-1234-f4b2-74d02b7a3124<br>
>>>>> CSeq: 87372504 ACK<br>
>>>>> Content-Length: 0<br>
>>>>><br>
>>>>><br>
>>>>><br>
>>>>> ------------------------------------------------------------------------<br>
>>>>> 2016-02-14 08:02:16.356283 [DEBUG] sofia.c:6760 Channel<br>
>>>>> sofia/internal/<a>303@192.168.1.5</a> entering state [terminated][406]<br>
>>>>> 2016-02-14 08:02:16.356283 [NOTICE] sofia.c:7779 Hangup<br>
>>>>> sofia/internal/<a>303@192.168.1.5</a> [CS_CONSUME_MEDIA]<br>
>>>>> [SERVICE_NOT_IMPLEMENTED]<br>
>>>>><br>
>>>>> Thanks<br>
>>>>> Rajil<br>
>>>>><br>
>>>>><br>
>>>>> _________________________________________________________________________<br>
>>>>> Professional FreeSWITCH Consulting Services:<br>
>>>>> <a>consulting@freeswitch.org</a><br>
>>>>> <a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions.com</a><br>
>>>>><br>
>>>>> Official FreeSWITCH Sites<br>
>>>>> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
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>>>>><br>
>>>>> FreeSWITCH-users mailing list<br>
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>>>>> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
>>>><br>
>>>><br>
>>>><br>
>>>> _________________________________________________________________________<br>
>>>> Professional FreeSWITCH Consulting Services:<br>
>>>> <a>consulting@freeswitch.org</a><br>
>>>> <a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions.com</a><br>
>>>><br>
>>>> Official FreeSWITCH Sites<br>
>>>> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
>>>> <a href="http://confluence.freeswitch.org" rel="noreferrer" target="_blank">http://confluence.freeswitch.org</a><br>
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>>>><br>
>>>> FreeSWITCH-users mailing list<br>
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>>>> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
>>><br>
>>> _________________________________________________________________________<br>
>>> Professional FreeSWITCH Consulting Services:<br>
>>> <a>consulting@freeswitch.org</a><br>
>>> <a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions.com</a><br>
>>><br>
>>> Official FreeSWITCH Sites<br>
>>> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
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>>><br>
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>>> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
>><br>
>><br>
>><br>
>> _________________________________________________________________________<br>
>> Professional FreeSWITCH Consulting Services:<br>
>> <a>consulting@freeswitch.org</a><br>
>> <a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions.com</a><br>
>><br>
>> Official FreeSWITCH Sites<br>
>> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
>> <a href="http://confluence.freeswitch.org" rel="noreferrer" target="_blank">http://confluence.freeswitch.org</a><br>
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>><br>
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>> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
><br>
> _________________________________________________________________________<br>
> Professional FreeSWITCH Consulting Services:<br>
> <a>consulting@freeswitch.org</a><br>
> <a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions.com</a><br>
><br>
> Official FreeSWITCH Sites<br>
> <a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
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><br>
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<br>
_________________________________________________________________________<br>
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<a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions.com</a><br>
<br>
Official FreeSWITCH Sites<br>
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</div></div></blockquote></div><br></div>
</blockquote></div></div></div>
<br>_________________________________________________________________________<br>
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