[Freeswitch-users] SRTP breaks my TLS session

[Emrah]

This issue seems to be very connected to the network topology of the client. I am now having this problem with Bria on iOS.
On FreeSWITCH there is hardly anything. First invite results in a 407 proxy required, and after that the session fails and FS reports a wrong_call_state.
Is there anyone here using tLS willing to provide me with a SIP account to test this over their instance of FreeSWITCH?

Cheers
> On Mar 1, 2016, at 12:45 PM, Emrah <lists at kavun.ch> wrote:
> 
> Hello all,
> Pinging the list in search of brilliant minds for more recommendations on how to solve this overwhelmingly frustrating issue.
> 
> I just love FS and all it lets me accomplish. But this bug and the unpredictability and inability to effectively troubleshoot just leaves a bad impression, accentuated by the fact that no one seems to care about it. I call it a bug because I do not experience this issue with other SIP servers.
> 
> Who is available to exchange SIP credentials in order to cross-test this? Especially if you believe you are immunized!
> 
> Best,
> Emrah
> 
>> On Feb 28, 2016, at 7:33 PM, Emrah <lists at kavun.ch <mailto:lists at kavun.ch>> wrote:
>> 
>> Hello there,
>> I can confirm that a PCAP gives me a bunch of TLS packets.
>> How do you suggest debugging this?
>> 
>> Thanks!
>>> On Feb 26, 2016, at 10:36 AM, Emrah <lists at kavun.ch <mailto:lists at kavun.ch>> wrote:
>>> 
>>> Thanks for this. 
>>> 
>>> This isn’t just a yealink thing. I’ve encountered sporadic issues with soft phones and other desk phones as well.
>>> 
>>> I didn’t use the PCap capture feature because I had assumed it would give me a bunch of TLS packets. I’ll test that and revert back.
>>> 
>>> How can we explain that I have more calls failing if I register multiple accounts?
>>> 
>>> Emrah
>>> 
>>>> On Feb 26, 2016, at 6:37 AM, Mario G <mario_fs at mgtech.com <mailto:mario_fs at mgtech.com>> wrote:
>>>> 
>>>> You may want to run a pcap trace on the Yealink. It’s under settings->Configuration. Start/test/export.
>>>> 
>>>>> On Feb 25, 2016, at 3:35 PM, Brian West <brian at freeswitch.org <mailto:brian at freeswitch.org>> wrote:
>>>>> 
>>>>> Sounds like there may be a bug in the yealink if packet size is of issue on TCP/TLS connections.
>>>>> 
>>>>> On Thu, Feb 25, 2016 at 5:13 PM, Emrah <lists at kavun.ch <mailto:lists at kavun.ch>> wrote:
>>>>> Hello list,
>>>>> I thought I had solved this issue by reducing my codec list  to a minimum, but it still persists, unfortunately. This was to reduce the TLS packet size.
>>>>> Anytime I enable SRTP on my phones, outgoing calls will randomly fail. The problem goes away when I disable SRTP. I only work over TLS.
>>>>> Incoming calls work reliably with or without SRTP.
>>>>> 
>>>>> How do you suggest debugging this?
>>>>> I tried setting up a fresh instance of FS but the issue persists.
>>>>> Now. It should be noted that calls fail sensibly more often when I have more than one account registered on the same server with the same device.
>>>>> 
>>>>> Any suggestion is welcome. Have you experienced this? 
>>>>> 
>>>>> I’m running FreeSWITCH Version 1.6.5 on Debian. My phone in this case is a Yealink SIP-T46G running firmware 28.80.0.95.
>>>>> 
>>>>> E
>>>>> 
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>>>>> 
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>>>>> 
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