[SIP Beyond VoIP] SylkServer not forwarding XMPP messages to SIP Proxy

David Hubbard david.hubbard at agenor.co.uk
Tue Oct 1 14:16:31 CEST 2013


I'm (now) getting an error sending a contact request from an XMPP Server 
through SylkServer and onto OpenSIPS Server.

SylkServer sends a "host-unknown" back to XMPP server - shown in 
xmpp_trace.txt (below)

I have outbound_proxy set in "config.ini" as:

    outbound_proxy =;transport=udp

and I am able to connect into this port (using nc)  - and probes from 
this show in OpenSIP log

Am I missing some other configuration ?   Does SylkServer do any 
checking of domain names - e.g. lookup _sip SRV (or NAPTR) records or 
always obey the outbound_proxy setting.

2013-10-01T12:49:43.864395+01:00 [sylk-server 31836]: RECEIVED: Packet 
13, +0:02:49.344527
<?xml version='1.0'?><stream:stream 
xmlns:stream='http://etherx.jabber.org/streams' xmlns='jabber:server' 
xmlns:db='jabber:server:dialback' from='myinternal.com' 
to='myexternal.com' version='1.0'>
2013-10-01T12:49:43.865468+01:00 [sylk-server 31836]: SENDING: Packet 
14, +0:02:49.345600
<stream:stream xmlns:stream='http://etherx.jabber.org/streams' 
xmlns='jabber:server' xmlns:db='jabber:server:dialback' version='1.0' 
from='myexternal.com' id='02670d727b969693'>
2013-10-01T12:49:43.866342+01:00 [sylk-server 31836]: SENDING: Packet 
15, +0:02:49.346474
2013-10-01T12:49:43.866851+01:00 [sylk-server 31836]: SENDING: Packet 
16, +0:02:49.346983

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