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Gamma SIP Trunk IPDC 6.1 no calls in or out

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bonus99

bonus99

Technical User
Apr 9, 2003
55
GB
Please, I beg of you, some help to avoid driving my car over a cliff in sheer desperation!
This is not an urgent issue (or was not when I started), I am now tearing my hair out.

I have had two engineers look at this as well as me.

I/c calls get a couple of beeps in the callers ear and then clear down, this is the message:

808160mS SIP Rx: UDP xx.245.6.81:5060 -> xxx.231.216.140:5060
INVITE sip:02080901280@xxx.231.216.140 SIP/2.0
Max-Forwards: 69
Session-Expires: 3600;refresher=uac
Min-SE: 600
Supported: timer, 100rel
To: <sip:02080901280@xx.245.6.81:5060>
From: <sip:07973673265@xx.245.6.81>;tag=3517057571-578992
Remote-Party-Id: <sip:7973673265@xx.245.6.81>;screen=yes;privacy=off
Call-ID: 1291655-3517057571-578987@MSX11.test.com
CSeq: 1 INVITE
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER, SUBSCRIBE, PRACK, UPDATE, MESSAGE, PUBLISH
Via: SIP/2.0/UDP 83.245.6.81:5060;x-route-tag="tgrp:test-INGRESS-TRKGRP";branch=z9hG4bK84c47011c63d2022d41708c4fea692b3
Contact: <sip:07973673265@83.xxx.6.81:5060>
Expires: 180
Call-Info: <sip:xx.245.6.81>;method="NOTIFY;Event=telephone-event;Duration=1000"
Allow-Events: telephone-event
Content-Type: application/sdp
Content-Length: 260

v=0
o=MSX11 5577 7987 IN IP4 xx.245.6.81
s=sip call
c=IN IP4 xx.245.6.82
t=0 0
m=audio 36202 RTP/AVP 18 100 101
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=yes
a=rtpmap:100 X-NSE/8000
a=fmtp:100 192-194
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
808663mS SIP Rx: UDP xx.245.6.81:5060 -> xx.231.216.140:5060
INVITE sip:02080901280@xxx.231.216.140 SIP/2.0
Max-Forwards: 69
Session-Expires: 3600;refresher=uac
Min-SE: 600
Supported: timer, 100rel
To: <sip:02080901280@xx.245.6.81:5060>
From: <sip:07973673265@xx.245.6.81>;tag=3517057571-578992
Remote-Party-Id: <sip:7973673265@xx.245.6.81>;screen=yes;privacy=off
Call-ID: 1291655-3517057571-578987@MSX11.test.com
CSeq: 1 INVITE
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER, SUBSCRIBE, PRACK, UPDATE, MESSAGE, PUBLISH
Via: SIP/2.0/UDP xx.245.6.81:5060;x-route-tag="tgrp:test-INGRESS-TRKGRP";branch=z9hG4bK84c47011c63d2022d41708c4fea692b3
Contact: <sip:07973673265@xx.245.6.81:5060>
Expires: 180
Call-Info: <sip:xx.245.6.81>;method="NOTIFY;Event=telephone-event;Duration=1000"
Allow-Events: telephone-event
Content-Type: application/sdp
Content-Length: 260

v=0
o=MSX11 5577 7987 IN IP4 xx.245.6.81
s=sip call
c=IN IP4 xx.245.6.82
t=0 0
m=audio 36202 RTP/AVP 18 100 101
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=yes
a=rtpmap:100 X-NSE/8000
a=fmtp:100 192-194
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
809663mS SIP Rx: UDP xx.245.6.81:5060 -> xxx.231.216.140:5060
INVITE sip:02080901280@xxx.231.216.140 SIP/2.0
Max-Forwards: 69
Session-Expires: 3600;refresher=uac
Min-SE: 600
Supported: timer, 100rel
To: <sip:02080901280@xx.245.6.81:5060>
From: <sip:07973673265@xx.245.6.81>;tag=3517057571-578992
Remote-Party-Id: <sip:7973673265@xx.245.6.81>;screen=yes;privacy=off
Call-ID: 1291655-3517057571-578987@MSX11.test.com
CSeq: 1 INVITE
Allow: INVITE, BYE, OPTIONS, CANCEL, ACK, REGISTER, NOTIFY, INFO, REFER, SUBSCRIBE, PRACK, UPDATE, MESSAGE, PUBLISH
Via: SIP/2.0/UDP xx.245.6.81:5060;x-route-tag="tgrp:test-INGRESS-TRKGRP";branch=z9hG4bK84c47011c63d2022d41708c4fea692b3
Contact: <sip:07973673265@xx.245.6.81:5060>
Expires: 180
Call-Info: <sip:xx.245.6.81>;method="NOTIFY;Event=telephone-event;Duration=1000"
Allow-Events: telephone-event
Content-Type: application/sdp
Content-Length: 260

v=0
o=MSX11 5577 7987 IN IP4 xx.245.6.81
s=sip call
c=IN IP4 xx.245.6.82
t=0 0
m=audio 36202 RTP/AVP 18 100 101
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=yes
a=rtpmap:100 X-NSE/8000
a=fmtp:100 192-194
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16

Trunk says out of service.

Have configured as per this document as well:


It just will not work, there have been issues with them but they say that all is well their end.

Any help would be greatly appreciated.

Many thanks

Desperate Dan
 
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Gamma trunks require the use if a STUN server, which they do not provide.....cos they are crap :)

ACSS (SME)
APSS (SME)


"I'm just off to Hartlepool to buy some exploding trousers
 
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they dont run real SBCs.....hence the need to STUN

ACSS - SME
General Geek

1832163.png
 
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also - what router are you using? ive seen silly things like this with SIP ALGs turned on... IPO really doesnt like ALGs messing with its packets


ACSS - SME
General Geek

1832163.png
 
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thanks for the replies so far.

In my haste to get the post out, I neglected to say that this is on a leased line and is cabled directly from the EDD in to WAN (LAN2).

STUN - some posts say yes and some no, is it required in a leased line set up?

I will check out the doc and get back to you.

Thanks again
 
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BAS1234 - Just checked out the DOC, it is the same as I have used.

thanks though.


 
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what does a trace route from the IPO to gamma look like?

run a few over a short period.....

ACSS - SME
General Geek

1832163.png
 
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Have you tried to set your network topology to none and use IP routes to direct your traffic. that removes the need for stun. I do it here with paetec all the time and works great.

Kevin Wing
ACSS Small and Medium Enterprise (SME) Communications
ACS- Implement IP Office
ACA- Implement IP Office
Carousel Industries
 
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also, is this a trusted SIP trunk?

SIP Rx: UDP 83.245.6.81:5060 -> 109.231.216.140:5060

You have left lots of info in your trace, naughty, but anyway, if your IPO is public facing then I should be able to ping 109.231.216.140? or is there a router / firewall in place here?


ACSS - SME
General Geek

1832163.png
 
Upvote 0 Downvote
Using IP routes will not work with Gamma Kevin, unless you have an external IP with no firewall in the way :)

ACSS (SME)
APSS (SME)


"I'm just off to Hartlepool to buy some exploding trousers
 
Upvote 0 Downvote

The IPO is not public facing, I probably should have taken the info out though.

With STUN, when i click the STUN button, the field is not auto populating.

What is a good address to use?

How long should it take to populate?
 
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the default STUN server in the IPO no longer works.

try here, a list of public stun down the page. just use nslookup to grab its ip. I think the sipgate one works well. port 10000


You can see the STUN working in monitor when you turn the filter on

ACSS - SME
General Geek

1832163.png
 
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Well guys, have tried all that and to no avail.

In the status, the trunk is alarmed and says out of service??

I am not on site and cannot test outgoing but, incoming calls are exactly the same, you see the trace come up and then NU.

I appreciate your help, especially as it is now 10.30pm.

I will have another go tomorrow.

thanks again

 
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so this is defo a trusted SIP trunk?

are you certain you are presenting the correct IP to Gamma?

ACSS - SME
General Geek

1832163.png
 
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I don't see any registration requests in the trace, post a trace of that process :)

ACSS (SME)
APSS (SME)


"I'm just off to Hartlepool to buy some exploding trousers
 
Upvote 0 Downvote
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