[OpenSIPS-Users] Strange errors forwarding requests
Bogdan-Andrei Iancu
bogdan at voice-system.ro
Wed May 5 12:24:17 CEST 2010
Hi Erik,
have you tried to print the destination of the requests that fail?
regards,
Bogdan
Erik Versaevel wrote:
> Hi All,
>
> I attempted an migration last night (from our current environment to this new setup) but i ran into this
> problem as soon as i tried to make some test calls, funny thing is i can't get it reproduced :/ Any clues
> on how to debug this any further?
>
> Kind regards,
>
> Erik
>
> Op 27-4-2010 15:17, Erik Versaevel schreef:
>
>> Hi all,
>>
>> I'm building a setup in which opensips is acting as registar for my endpoints and loadbalancing
>> calls made by those endpoint over an cluster of asterisk machines. (so that if we need more asterisk
>> power, we just have to add another destination to the loadbalancer module)
>> Opensips is listening on multiple IP addresses and uses the loadbalancer module to poll my asterisk
>> machines and select the destination.
>> My problem is that every now and then opensips fails to forward an invite to my asterisk cluster and
>> generates
>>
>> "ERROR:core:udp_send: sendto(sock,0x77b81280,1353,0,0x77b81b04,16): Operation not permitted(1)"
>>
>> there is some iptables filtering on this machine, however it is not showing drops in the logfile (and it keeps
>> occuring even without any iptable rules).
>> I tried stracing opensips but all i get is:
>>
>> opensipstrace.7423:sendto(6, "INVITE sip:E164_DST_PHONE_NR at OPENSIPS_IP_ADDRESS SIP/2.0
>> Record-Route: <sip:OPENSIPS_IP_ADDRESS;lr=on;ftag=AI05ED431A05432EB8;nat=yes;did=fd6.e1f16fe3;vsf=AAAAAAMIBgl3AggLFgF5HAAFGhwBHzE3NC44MQ-->
>> Via: SIP/2.0/UDP OPENSIPS_IP_ADDRESS;branch=z9hG4bK3177.1e0e38b7.0
>> Via: SIP/2.0/UDP 192.168.178.44:5060;received=CPE_IP_ADDRESS;rport=61008;branch=z9hG4bK2010Apr222938466E164_DST_PHONE_NR
>> To: <sip:E164_DST_PHONE_NR at OPENSIPS_IP_ADDRESS>
>> From: \"3961\" <sip:3961 at OPENSIPS_IP_ADDRESS>;tag=AI05ED431A05432EB8
>> Call-ID: AIF001C45E85F7921C at 192.168.178.44
>> CSeq: 2 INVITE
>> Max-Forwards: 69
>> Contact: <sip:E164PHONE_NR at CPE_IP_ADDRESS:61008;line=AIF8F01E8DF866D7CB>
>> Accept: application/sdp
>> Allow: ACK,BYE,CANCEL,INVITE,NOTIFY,OPTIONS,REFER
>> Allow-Events: dialog,message-summary
>> P-Preferred-Identity: <sip:E164PHONE_NR at OPENSIPS_IP_ADDRESS>
>> Privacy: none
>> User-Agent: SomeStrangeDude
>> Content-Type: application/sdp
>> Content-Length: 324
>> I-FromDisp: <null>
>> I-FromUri: E164PHONE_NR
>> I-CustId: 3961
>>
>> v=0
>> o=intelligate 1133701155 1133701155 IN IP4 192.168.178.44
>> s=call
>> c=IN IP4 CPE_IP_ADDRESS
>> t=0 0
>> m=audio 5004 RTP/AVP 18 8 101
>> a=rtpmap:18 G729/8000
>> a=fmtp:18 annexb=no
>> a=rtpmap:8 PCMA/8000
>> a=rtpmap:101 telephone-event/8000
>> a=fmtp:101 0-15
>> a=sendrecv
>> a=ptime:20
>> a=direction:active
>> a=oldmediaip:192.168.178.44
>> ", 1253, 0, {sa_family=AF_INET, sin_port=htons(5060), sin_addr=inet_addr("ASTERISK_IP_ADDRESS")}, 16) = -1 EPERM (Operation not permitted)
>>
>> I also use the uac_replace_from() to mangle the from header so asterisk uses the correct user/peer/client to connect the call (codec/dialplan etc).
>> I'm having trouble reproducing the error as it's not allways occuring, the errors i straced where mainly the initial invite towards my asterisk
>> cluster and a few 200 OK's which didn't get processed correctly.
>>
>> Any clues on how to debug this further?
>>
>> Kind regards,
>>
>> Erik Versaevel
>>
>>
>>
>
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--
Bogdan-Andrei Iancu
www.voice-system.ro
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