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Summary:ASTERISK-00325: Calls Droping
Reporter:michael (michael)Labels:
Date Opened:2003-09-28 19:25:59Date Closed:2011-06-07 14:05:08
Priority:MajorRegression?No
Status:Closed/CompleteComponents:Core/General
Versions:Frequency of
Occurrence
Related
Issues:
Environment:Attachments:
Description:When making a call to anywhere, the call drops with this error:
Sep 28 00:10:05 WARNING[1142127920]: File chan_sip.c, Line 444 (retrans_pkt): Maximum retries exceeded on call 1627fe6a-557b-9224-af6a-820447c5f767@192.168.50.248 for seqno 7627 (Response)

****** ADDITIONAL INFORMATION ******

sip debug:
   -- Playing 'vm-login'
Retransmitting #1 (no NAT):
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.50.248
From: "Michael Hess"
<sip:mlh@192.168.50.1>;tag=f3e33d4d-5431-b2d1-443e-0183d2cac6c7
To: <sip:8@192.168.50.1>;tag=as568b15d0
Call-ID: ccf9d2ca-982b-523b-89bb-10ce270b5847@192.168.50.248
CSeq: 53592 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:8@192.168.50.1>
Content-Type: application/sdp
Content-Length: 178

v=0
o=root 1434 1434 IN IP4 192.168.50.1
s=session
c=IN IP4 192.168.50.1
t=0 0
m=audio 27838 RTP/AVP 3 0 8
a=rtpmap:3 GSM/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
ACKA
to 192.168.50.248:5060
Retransmitting #2 (no NAT):
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.50.248
From: "Michael Hess"
<sip:mlh@192.168.50.1>;tag=f3e33d4d-5431-b2d1-443e-0183d2cac6c7
To: <sip:8@192.168.50.1>;tag=as568b15d0
Call-ID: ccf9d2ca-982b-523b-89bb-10ce270b5847@192.168.50.248
CSeq: 53592 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:8@192.168.50.1>
Content-Type: application/sdp
Content-Length: 178

v=0
o=root 1434 1434 IN IP4 192.168.50.1
s=session
c=IN IP4 192.168.50.1
t=0 0
m=audio 27838 RTP/AVP 3 0 8
a=rtpmap:3 GSM/8000
a=rtpmap:0 PCMU/8000
ACKA
to 192.168.50.248:5060
Retransmitting #3 (no NAT):
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.50.248
From: "Michael Hess"
<sip:mlh@192.168.50.1>;tag=f3e33d4d-5431-b2d1-443e-0183d2cac6c7
To: <sip:8@192.168.50.1>;tag=as568b15d0
Call-ID: ccf9d2ca-982b-523b-89bb-10ce270b5847@192.168.50.248
CSeq: 53592 INVITE
User-Agent: Asterisk PBX
Comments:By: Brian West (bkw918) 2003-09-28 20:09:03

"Maximum retries exceeded on call" messages are normal to see but they aren't the cause of your calls being droped nor are they the result of them being droped.  

Are you using any nat?  
Is * behind nat?  
Are you running the latest CVS?
What SIP UA are you using?
Has this ever worked or is this the first time you have used *?

bkw
By: John Todd (jtodd) 2003-09-29 02:47:43

I will concur and say that this is almost certainly a problem with NAT, and not an Asterisk bug.  Search the mailing lists and look for similar errors and resolutions.  Unless otherwise noted, I'll close this after Tuesday the 30th.