[OpenSIPS-Users] iOS 15 WebRTC

[Bogdan-Andrei Iancu]

Hi Callum,

The error logs translates into "not able to get a full SIP message 
within 4 read operations from the network". What is puzzling is the fact 
you claim that the REGISTER is actually successfully read and processed 
by OpenSIPS - if this is correct, maybe there is some other data on the 
connection, something else than the SIP packages, maybe some CRLF 
pinging that triggers this.
Do you have pcap on that connection ?

Best regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
OpenSIPS eBootcamp
   https://www.opensips.org/Training/Bootcamp

On 1/25/22 4:20 PM, Callum Guy wrote:
> Hi All,
>
> I'm wondering if anyone in the community has encountered the iOS 15 
> WebRTC bug as reported here:
>
> https://www.wowza.com/community/t/ios-15-webrtc-problem/93868/4 
> <https://www.wowza.com/community/t/ios-15-webrtc-problem/93868/4>
> https://developer.apple.com/forums/thread/689293 
> <https://developer.apple.com/forums/thread/689293>
>
> The bug causes INVITES to fail to be digested by opensips with a log 
> message as shown below:
>
> opensips[217976]: ERROR:proto_wss:ws_process: Made 4 read attempts but 
> message is not complete yet - closing connection
>
> Worth noting is that REGISTER messages still arrive so as mentioned in 
> the article is does appear related to fragmentation of the messages 
> being sent through, perhaps failing to conclude this for reassembly 
> but I can't make sense of the network trace.
>
> My client device is using SIP.js and I can confirm that it continues 
> to work on Android and other iOS versions. I'm currently running 
> opensips 3.0.5 and would happily upgrade to the latest version if 
> there was anything worth trying or wolfssl has any potential to 
> resolve this issue!
>
> Thanks,
>
> Callum
>
>
>
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