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29 posts

+1 received by user: 2

Topic # 108722 4-Sep-2012 13:11
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I would appreciate a hand with my settings.

I have no incoming call but outgoing works.

Free pbx distro with asterisk

This is behind a pfsense firewall with ports natted through and have another sip trunk with another provider working fine.

trunk settings under peer details:

if i debug the peer i get:

Reliably Transmitting (NAT) to
Via: SIP/2.0/UDP 58.28.x.x:5060;branch=z9hG4bK7522ae49;rport
Max-Forwards: 70
From: <>;tag=as0fabdfa7
To: <>
Call-ID: 07f29320450c25496981f2ce6ffbef8f@
User-Agent: FPBX-2.10.0(
Authorization: Digest username="wxxxxxxxxxx", realm="", algorithm=MD5, uri="", nonce="BroadWorksXh6o9r51uTvk5pw6BW", response="axxxxxxxxxxx", qop=auth, cnonce="693a2ff6", nc=00000005
Expires: 120
Contact: <sip:995xxxx@>
Content-Length: 0


SIP/2.0 200 OK
From: <>;tag=as0fabdfa7
To: <>;tag=775053191-1346720194728
Call-ID: 07f29320450c25496981f2ce6ffbef8f@
Via: SIP/2.0/UDP 58.28.x.x:5060;received=;branch=z9hG4bK7522ae49;rport=4269
Contact: <sip:995xxxxx@>;q=0.5;expires=300
Allow-Events: call-info,line-seize,dialog,message-summary,as-feature-event,x-broadworks-hoteling,x-broadworks-call-center-status
Expires: 300
Content-Length: 0

--- (10 headers 0 lines) ---
Scheduling destruction of SIP dialog '07f29320450c25496981f2ce6ffbef8f@' in 32000 ms (Method: REGISTER)
[2012-09-04 12:56:34] NOTICE[3860]: chan_sip.c:20755 handle_response_register: Outbound Registration: Expiry for is 300 sec (Scheduling reregistration in 285 s)
Really destroying SIP dialog '07f29320450c25496981f2ce6ffbef8f@' Method: REGISTER

Any help would be greatly appreciated. 

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174 posts

Master Geek


  Reply # 681304 4-Sep-2012 13:19
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Hi Chris,

PM me your phone number and i'll have a look at what we see from this end.

Nicholas Cuc

Network Support
WorldxChange Communications

174 posts

Master Geek


  Reply # 681321 4-Sep-2012 13:56
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Hi Chris,

Looked into this one some more and can see we are getting a timeout on the invite after 8secs. Would appear to be a firewall issue, either you are not getting the invite or we are not getting your response.

Nicholas Cuc

Network Support
WorldxChange Communications


29 posts

+1 received by user: 2

  Reply # 681391 4-Sep-2012 16:47
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Sorry was out of office for a bit.
Wow thanks that was quick Smile

Thanks will stop trunk for now and check out firewall and iptables and see if i can nut it out.

much appreciated will report back.

29 posts

+1 received by user: 2

  Reply # 682668 7-Sep-2012 08:58
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Some feed back for any others that may run into an issue with PFsense 2.01 and multiple sip trunks to different ITSP's
Appears the pfsense was dropping the sessions and could be observed in Diagnostic: Show State.

I changed the following and it appears to be working:

1. ChangedFirewall Optimization Options to conservative - System: Advanced:Firewall and Nat
2. Inbound nat rule for RTP ports
3. No inbound nat rule for 5060
4. Outbound nat rule for the internal ip to our specific wan nat address with static option ticked.

wan 10.x.x.x/31 * * * 58.28.1xx.xx * yes Voice outbound

remember to clear state after changes.

So far so good Smile

Thanks for your help

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