[SR-Users] Binary Websocket messages

Yuriy Gorlichenko ovoshlook at gmail.com
Thu Feb 6 13:58:53 CET 2020


Are you talking about SDP part of the SIP invite?

On Thu, 6 Feb 2020, 13:44 Andre Pires dos Santos, <
santos.andrepires at gmail.com> wrote:

> Hi Yuriy,
>
> yes, there is nothing between webrtc client SIP.js and kamailio/rtpengine.
> We have a sip server that sends a call to kamailio that forwards the call
> to webrtc client. Kamailio is running on plain linux debian EC2 AWS machine
> (no docker or anything else).
>
> Some calls we get from kamailio in UTF-8 invite messages and other calls
> we get binary invite messages.
>
> If logs or cfg helps, just let me know.
>
> Thanks
> Santos
>
>
>
> On Thu, Feb 6, 2020 at 9:29 AM Yuriy Gorlichenko <ovoshlook at gmail.com>
> wrote:
>
>> SIP is a text protocol by default. Binary messages can be here only
>> keepalive messages and etc. So it should not go to application layer of the
>> client as it is a transport layer messages. Are you sure There is no other
>> software between kamailio and client that creates a bridge between client
>> and kamailio?
>>
>> On Thu, 6 Feb 2020, 12:37 Andre Pires dos Santos, <
>> santos.andrepires at gmail.com> wrote:
>>
>>> Hello guys,
>>>
>>> we are new to kamailio so sorry basic or wrong points.
>>>
>>> We started using kamailio 5.3.2 and rtpengine as our sip to webrtc
>>> solution and SIP.js as webrtc client. We noticed that most of the times
>>> webrtc client receives UTF-8 messages. But sometimes webrtc client receives
>>> binary messages. When we get binary messages SIP.js cannot parse the
>>> message.
>>>
>>> I couldn't find how to force kamailio to send only UTF-8 messages. Is it
>>> possible?
>>>
>>> We have other issues but I think it will be better for the list to break
>>> other points in different messages.
>>>
>>> Thanks!
>>> Santos
>>> _______________________________________________
>>> Kamailio (SER) - Users Mailing List
>>> sr-users at lists.kamailio.org
>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
>> _______________________________________________
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>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
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