For info. Logs after 3CX. It means Video call was terminated to 3CX and went over it. We can see options: 3cxPS Audio call
Of course it is old 3CX version but if version 8 doesn't support video as well then there are not reasons for upgrade.
Jun 20 18:30:59 2010 matching filter label <common>: ses.avmosrnd.local: [Recv Request ]
{connection: host=135.64.45.94 port=5060 protocol=UDP}
INVITE sip:
[email protected]:5060 SIP/2.0
Via: SIP/2.0/UDP 135.64.45.94:5060;branch=z9hG4bK-d8754z-a821763d967c8175-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:
[email protected]:5060>
To: <sip:
[email protected]:5060>
From: "0019859086" <sip:
[email protected]:5060>;tag=ea6d160f
Call-ID: ZTY0ODM5N2FkOWM5YWE0YjNkNGRlNTllN2UxZDAwNTE.
CSeq: 1 INVITE
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,REGISTER,SUBSCRIBE,NOTIFY,REFER,INFO
Content-Type: application/sdp
User-Agent: 3CXPhoneSystem 6.0.606.0/Beta
Content-Length: 253
v=0
o=3cxPS 78416707584 405941518337 IN IP4 135.64.45.94
s=3cxPS Audio call
c=IN IP4 135.64.45.94
t=0 0
m=audio 7106 RTP/AVP 0 8 101
c=IN IP4 135.64.45.94
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=sendrecv