Hi, Ralph.
The "Error Log" option in the Connection Doctor window is greyed out and says "Error Log (No Errors)"
Here's a copy of the details from the communication error pop-up I got on my most recent attempt:
Date/Time: 2015-06-20 20:03:49 -0400
OS Version: 10.10.3 (Build 14D136)
Report Version: 4
Messages Connection Log:
2015-06-20 20:02:57 -0400: 0x7fc6d4653700: State change from No State to Invited.
2015-06-20 20:03:14 -0400: 0x7fc6d4653700: State change from Invited to Connecting.
2015-06-20 20:03:40 -0400: 0x7fc6d4653700: State change from Connecting to Ended.
2015-06-20 20:03:40 -0400: 0x7fc6d4653700: Error -1 (An unknown error occurred.)
Video Conference Error Report:
44404.192323 @/SourceCache/VideoConference/VideoConference-473/SIP/SIP.c:2255 type=4 (900A0015/316)
[SIPConnectIPPort failed]
[]
Video Conference Support Report:
44379.420939 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:1973 type=2 (00000000/0)
[Connection Data for call id: 1 returns 1
]
[]
44391.169442 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:1988 type=2 (00000000/0)
[Prepare Connection With Remote Data - remote VCConnectionData: 1, local VCConnectionData: 1
]
[]
44391.190212 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:2180 type=2 (00000000/0)
[Initiate Conference To User: u0 with Remote VCConnectionData: 1 with Local Connection Data: 1 conferenceSettings: 1]
[]
44402.191833 @/SourceCache/VideoConference/VideoConference-473/SIP/Transport.c:2144 type=1 (00000000/0)
[INVITE sip:user@rip:16402 SIP/2.0
Via: SIP/2.0/UDP lip:16402;branch=z9hG4bK01ee8bc2154363af
Max-Forwards: 70
To: "u0" <sip:user@rip:16402>
From: "0" <sip:user@lip:16402>;tag=1602111032
Call-ID: 1e517a8f059ffb4-17a8-11e5-b55e-cef361854012@lip
CSeq: 1 INVITE
Contact: <sip:user@lip:16402>;isfocus
User-Agent: Viceroy 1.4
Content-Type: application/sdp
Content-Length: 689
v=0
o=andrewrein 0 0 IN IP4 lip
s=0
c=IN IP4 lip
b=AS:2147483647
t=0 0
a=hwi:1056:4:3500
a=iChatEncryption:NO
a=bandwidthDetection:YES
m=audio 16402 RTP/AVP 110 12 124 3 0
a=rtcp:16402
a=rtpmap:110 X-AAC_LD/22050
a=rtpmap:3 GSM/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:124 iLBC/8000
a=fmtp:124 mode=30
a=rtpID:2871877168
m=video 16402 RTP/AVP 123 126 34
a=rtcp:16402
a=rtpmap:123 H264/90000
a=rtpmap:126 X-H264/90000
a=rtpmap:34 H263/90000
a=fmtp:34 imagesize 1 rules 30:352:288
a=framerate:30
a=RTCP:AUDIO 16402 VIDEO 16402
a=fmtp:126 imagesize 0 rules 30:640:480:640:480:30
a=fmtp:123 imagesize 0 rules 30:640:480:640:480:30
a=rtpID:4292457477
]
[]
44402.695492 @/SourceCache/VideoConference/VideoConference-473/SIP/Transport.c:2144 type=1 (00000000/0)
[INVITE sip:user@rip:16402 SIP/2.0
Via: SIP/2.0/UDP lip:16402;branch=z9hG4bK01ee8bc2154363af
Max-Forwards: 70
To: "u0" <sip:user@rip:16402>
From: "0" <sip:user@lip:16402>;tag=1602111032
Call-ID: 1e517a8f059ffb4-17a8-11e5-b55e-cef361854012@lip
CSeq: 1 INVITE
Contact: <sip:user@lip:16402>;isfocus
User-Agent: Viceroy 1.4
Content-Type: application/sdp
Content-Length: 689
v=0
o=andrewrein 0 0 IN IP4 lip
s=0
c=IN IP4 lip
b=AS:2147483647
t=0 0
a=hwi:1056:4:3500
a=iChatEncryption:NO
a=bandwidthDetection:YES
m=audio 16402 RTP/AVP 110 12 124 3 0
a=rtcp:16402
a=rtpmap:110 X-AAC_LD/22050
a=rtpmap:3 GSM/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:124 iLBC/8000
a=fmtp:124 mode=30
a=rtpID:2871877168
m=video 16402 RTP/AVP 123 126 34
a=rtcp:16402
a=rtpmap:123 H264/90000
a=rtpmap:126 X-H264/90000
a=rtpmap:34 H263/90000
a=fmtp:34 imagesize 1 rules 30:352:288
a=framerate:30
a=RTCP:AUDIO 16402 VIDEO 16402
a=fmtp:126 imagesize 0 rules 30:640:480:640:480:30
a=fmtp:123 imagesize 0 rules 30:640:480:640:480:30
a=rtpID:4292457477
]
[]
44403.698158 @/SourceCache/VideoConference/VideoConference-473/SIP/Transport.c:2144 type=1 (00000000/0)
[INVITE sip:user@rip:16402 SIP/2.0
Via: SIP/2.0/UDP lip:16402;branch=z9hG4bK01ee8bc2154363af
Max-Forwards: 70
To: "u0" <sip:user@rip:16402>
From: "0" <sip:user@lip:16402>;tag=1602111032
Call-ID: 1e517a8f059ffb4-17a8-11e5-b55e-cef361854012@lip
CSeq: 1 INVITE
Contact: <sip:user@lip:16402>;isfocus
User-Agent: Viceroy 1.4
Content-Type: application/sdp
Content-Length: 689
v=0
o=andrewrein 0 0 IN IP4 lip
s=0
c=IN IP4 lip
b=AS:2147483647
t=0 0
a=hwi:1056:4:3500
a=iChatEncryption:NO
a=bandwidthDetection:YES
m=audio 16402 RTP/AVP 110 12 124 3 0
a=rtcp:16402
a=rtpmap:110 X-AAC_LD/22050
a=rtpmap:3 GSM/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:124 iLBC/8000
a=fmtp:124 mode=30
a=rtpID:2871877168
m=video 16402 RTP/AVP 123 126 34
a=rtcp:16402
a=rtpmap:123 H264/90000
a=rtpmap:126 X-H264/90000
a=rtpmap:34 H263/90000
a=fmtp:34 imagesize 1 rules 30:352:288
a=framerate:30
a=RTCP:AUDIO 16402 VIDEO 16402
a=fmtp:126 imagesize 0 rules 30:640:480:640:480:30
a=fmtp:123 imagesize 0 rules 30:640:480:640:480:30
a=rtpID:4292457477
]
[]
44410.220561 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:1973 type=2 (00000000/0)
[Connection Data for call id: 3 returns 1
]
[]
44416.595749 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:1988 type=2 (00000000/0)
[Prepare Connection With Remote Data - remote VCConnectionData: 1, local VCConnectionData: 1
]
[]
44416.595927 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:2180 type=2 (00000000/0)
[Initiate Conference To User: u0 with Remote VCConnectionData: 1 with Local Connection Data: 1 conferenceSettings: 1]
[]
Video Conference User Report:
0.000000 @:0 type=5 (00000000/16402)
[Local SIP port]
[]
44374.388310 @:0 type=5 (00000000/43908)
[Local SIP port]
[]
44391.169555 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:2085 type=5 (00000000/0)
[Remote Router]
[PORT RESTRICTED]
44391.169559 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:2087 type=5 (00000000/0)
[Remote CommNAT Result: 0x000000c0
]
[]
44391.190214 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VideoConferenceGlobalObjects.m:1679 type=5 (00000000/0)
[Router]
[PORT RESTRICTED]
44391.190228 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VideoConferenceGlobalObjects.m:1681 type=5 (00000000/0)
[CommNAT Result: 0x000000d0
]
[]
44416.595820 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:2085 type=5 (00000000/0)
[Remote Router]
[PORT RESTRICTED]
44416.595823 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:2087 type=5 (00000000/0)
[Remote CommNAT Result: 0x000000c0
]
[]
44416.595929 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VideoConferenceGlobalObjects.m:1679 type=5 (00000000/0)
[Router]
[PORT RESTRICTED]
44416.595932 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VideoConferenceGlobalObjects.m:1681 type=5 (00000000/0)
[CommNAT Result: 0x000000d0
]
[]