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Access Denied on SIP trunks

Access Denied on SIP trunks

Access Denied on SIP trunks

(OP)
I'm trying to configure SIP trunks with the Australian ISP 'Engin'. This is proving a little more difficult than expected.. I have SIP trunks to iiNet working just fine and I can dial out and receive calls no problem at all. Engin SIP trunks don't seem to be working for me.

When I run the maintenance command SIP LINK STATE ALL I get the following response:

Link engin state is IN SERVICE (link down count 5)

In my logs I see the following:

SIP trunk engin Account 0756671234 Registrar byo.engin.com.au has registered successfully. The registration will expire in 3600 seconds

However when I make a call, I get 'access denied' on the handset and the following log appears:

Authentication failure - 403 receivedRecent failure count 1 in last 0 seconds Total failure count 51 Type of call : Outgoing Route 11 Link engin From 10.12.20.2 To engin

I assume most will tell me to check COR and COS settings, but I have gone over these a million times. I have setup a speedcall that overrides the toll setting and still I get the same 'access denied' message. I am happy to post CCS traces if that will help?

The account works just fine a SIP softphone just not in Mitel..

Any help would be appreciated!

Don't confuse DTMF with DTF. They have very different meanings....

RE: Access Denied on SIP trunks

Have you got your SIP peer profile set corectly with the number given to you by the provider exactley as provided? It'll be a SIP peer profile issue somewhere I would say.

RE: Access Denied on SIP trunks

There is a how-to on the knowledge base for Engin, have you followed it.
Search for
10-4940-00129_3
Configure MCD 4.1 for use with Engin SIP Trunking Service Provider

RE: Access Denied on SIP trunks

(OP)
I've triple checked the credentials in SIP peer profile and all appears to be correct. Although - I have not seen the kb sarond has posted (perhaps there is something I have missed). Sarond would you have a copy of that kb you could post?

Don't confuse DTMF with DTF. They have very different meanings....

RE: Access Denied on SIP trunks

(OP)
Appreciate that - Thanks Sarond. Will comb through this doc and see how we go.

Don't confuse DTMF with DTF. They have very different meanings....

RE: Access Denied on SIP trunks

(OP)
Sarond you're a legend thank you - I am up and running.

It appears as though I needed to configure a proxy in the network element assignment form (it's covered in the KB 10-4940-00129 'Configure MCD 4.1 for use with Engin SIP Trunking Service Provider').

The FQDN's have changed a few times, today they are byo.engin.com.au or trunk.engin.com.au

Thanks for all the help gents!

Don't confuse DTMF with DTF. They have very different meanings....

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