Chan_sip.c:4263 __sip_reliable_xmit: Serious Network Trouble; __sip_xmit returns error for pkt data

[avayax (Johann Zurner)]

@andrewmarba

996001 (Unspecified) D No No A 0 UNKNOWN

Is that your UCP WebRTC client and you are using Asterisk 11?

As I am getting the error for Zulu soft phone too, the problems might be related:

Zulu SSL Shutdown

Zulu isn’t running properly on my machine. When my Zulu client registers, I frequently get a “SSL_shutdown” error right after that, followed by plenty of: sip_reliable_xmit: Serious Network Trouble; __sip_xmit returns error for pkt data What could be wrong? == WebSocket connection from '192.168.1.254:55206' for protocol 'sip' accepted using version '13' -- Registered SIP '905314' at 192.168.1.254:55206 [2017-04-13 14:45:39] ERROR[14188]: tcptls.c:397 tcptls_stream_close: SSL_shutdown(…