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Outbound Calling Delay

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ashon

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Trying to figure out what is causing a 10+ second outbound dialing delay. Version 14 on Server 2012 R2 64bit.

Firewall Checker shows all green.

Delay happens with 3CX softphone on Windows PCs as well as with Yealink desk phones.

Below shows a problem call. Started call, nothing seemed to happen for 12 seconds, then call went out and was answered.

11-Jan-2017 18:00:44.505 Leg L:10.2[Line:10000>>1616xxxxxxx] is terminated: Cause: BYE from PBX
11-Jan-2017 18:00:44.504 [CM503008]: Call(C:10): Call is terminated
11-Jan-2017 18:00:44.504 Leg L:10.1[Extn:117] is terminated: Cause: BYE from 192.168.15.5:51926
11-Jan-2017 18:00:41.823 [CM503007]: Call(C:10): Line:10000>>1616xxxxxxx has joined, contact <sip:[email protected]:5060>
11-Jan-2017 18:00:41.821 [CM503007]: Call(C:10): Extn:117 has joined, contact <sip:[email protected]:51926>
11-Jan-2017 18:00:41.820 L:10.2[Line:10000>>1616xxxxxxx] has joined to L:10.1[Extn:117]
11-Jan-2017 18:00:41.820 NAT/ALG check:L:10.2[Line:10000>>1616xxxxxxx] RESPONSE 200 on 'INVITE' - some of SIP/SDP headers contain inconsistent information or modified by intermediate hop
SIP contact header is not equal to the SIP packet source(IP:port):
Contact address:voip.acd.net:5060
Received from :207.179.106.xxx:5060
Media session IP ('c=' attribute) is not equal to the IP specified in contact header:
Media session IP:207.179.106.xxx
Contact IP:voip.acd.net
Media session IP ('c=' attribute) is not equal to the SIP packet source(IP:port):
Media session IP: 207.179.106.xxx
Received from: 69.2.27.xxx
11-Jan-2017 18:00:34.780 [CM505003]: Provider:[ACD] Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [] PBX contact: [sip:[email protected]:5060]
11-Jan-2017 18:00:22.972 [CM503025]: Call(C:10): Calling T:Line:10000>>1616xxxxxxx@[Dev:sip:[email protected]:5060] for L:10.1[Extn:117]
11-Jan-2017 18:00:22.921 [CM503027]: Call(C:10): From: Extn:117 ("Administrator" <sip:[email protected]:5060>) to T:Line:10000>>1616xxxxxxx@[Dev:sip:[email protected]:5060]
11-Jan-2017 18:00:22.921 [CM503004]: Call(C:10): Route 1: from L:10.1[Extn:117] to T:Line:10000>>1616xxxxxxx@[Dev:sip:[email protected]:5060]
11-Jan-2017 18:00:22.921 Line limit check: Current # of calls for line Lc:10000(@ACD[<sip:[email protected]:5060>]) is 0; limit is 6
11-Jan-2017 18:00:22.921 Call(C:10): Call from Extn:117 to 1616xxxxxxx matches outbound rule 'Rule for ACD'
11-Jan-2017 18:00:22.920 [CM503001]: Call(C:10): Incoming call from Extn:117 to <sip:[email protected]:5060>

I'm a bit lost on what to look at next. Any insight would be appreciated.
Thank you.
 
Dear ashon,

Please check below the call flow from your logs:

The extension number 117 called to 1616xxxx external number.
11-Jan-2017 18:00:22.920 [CM503001]: Call(C:10): Incoming call from Extn:117 to <sip:[email protected]:5060>

then the PBX matched with outbound rule 'Rule for ACD'
11-Jan-2017 18:00:22.921 Call(C:10): Call from Extn:117 to 1616xxxxxxx matches outbound rule 'Rule for ACD'

and then the PBX sent an INVITE message to Voip provider
11-Jan-2017 18:00:22.972 [CM503025]: Call(C:10): Calling T:Line:10000>>1616xxxxxxx@[Dev:sip:[email protected]:5060] for L:10.1[Extn:117]


The process has been completed between 18:00:22.920 and 18:00:22.972. At this point the PBX sent an INVITE Message to Voip Provider at 18:00:22.972 and the Voip Provider responded to your invite at 18:00:41.820,


11-Jan-2017 18:00:41.820 NAT/ALG check:L:10.2[Line:10000>>1616xxxxxxx] RESPONSE 200 on 'INVITE' - some of SIP/SDP headers contain inconsistent information or modified by intermediate hop


So the soft phones, IP phones and 3CX system phones as above logs, have been working properly. Please investigate more this issue between your network and Voip provider.


 
Thank you for your response. I have put in a ticket in with the SIP Trunk provider.
 
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