[cisco-voip] Very odd call routing issue.

[Robin Clayton]

Been back and forth with them thinking it was their routing issue, but they don’t seem to be able to see the problem.

It’s very very odd.

Dial Plan Analyser looks fine, router looks fine but one way it works, the other it does not…

Rob




=========================
Robin Clayton

Network Transition Manager
Richard Rose Federation
Richard Rose Central Academy
Victoria Place
Carlisle
Cumbria
CA1 1LY

Tel: 01228 822075
www: www.rrfa.org.uk


From: Pavan [mailto:pav.ccie at gmail.com]
Sent: 27 September 2012 14:04
To: Robin Clayton
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Very odd call routing issue.

How about asking the carrier.
Can they answer why one works and the other fails ?

-Pavan

On Sep 27, 2012, at 6:57, Robin Clayton <Robin.Clayton at rrfa.org.uk<mailto:Robin.Clayton at rrfa.org.uk>> wrote:
TON?

It works for 99% of UK Numbers as far as I can tell, just a sub set from one exchange seems to be being strange…

Rob

=========================
Robin Clayton

Network Transition Manager
Richard Rose Federation
Richard Rose Central Academy
Victoria Place
Carlisle
Cumbria
CA1 1LY

Tel: 01228 822075
www: www.rrfa.org.uk


From: Paul [mailto:asobihoudai at yahoo.com]
Sent: 27 September 2012 12:52
To: Robin Clayton
Subject: Re: [cisco-voip] Very odd call routing issue.

Perhaps ToN is required and you haven't configured that on the RL/RP?

________________________________
From: Robin Clayton <Robin.Clayton at rrfa.org.uk<mailto:Robin.Clayton at rrfa.org.uk>>
To: "cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>" <cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>>
Sent: Thursday, September 27, 2012 6:02 AM
Subject: [cisco-voip] Very odd call routing issue.

CCM 7.x
2811 Voice gateway.


A few weeks ago a member of staff alerted me to the fact that they could not call a supplier, I checked the number and sure enough the phone system dialled and we got a recorded message from the carrier ( BT UK ) of number not recognised.

After a bunch of tests with our line provider we could not find a fault with their call routing ( at least so far )

What I have noticed is something that seems very bazar

With no special routing implemented on the call manager the voice gateway tries to dial and gets the number not recognised. The output of “show voice call” shows the following with the correct number.

==============================================================
0/0/0:15 13
      vtsp level 0 state = S_SETUP_PROGRESS
callid 0xBAEE B13 state S_TSP_OUTCALL_PROG clld 01768776000 cllg 6563
==============================================================


If I add a CCM route pattern for 901768776000, the line rings and the progress display shows the correct number.

==============================================================
0/0/0:15 13
      vtsp level 0 state = S_SETUP_REQ_PROC
callid 0xBAEE B13 state S_TSP_OUTCALL_PROG clld 01768776000 cllg 6563
============================================================

in both instances “Show Call” show the right number , but one fails?

This is driving me crazy, anybody have any bright ideas other than sticking in a route pattern for the whole number set?

Rob











=========================
Robin Clayton

Network Transition Manager
Richard Rose Federation
Richard Rose Central Academy
Victoria Place
Carlisle
Cumbria
CA1 1LY

Tel: 01228 822075
www: www.rrfa.org.uk<http://www.rrfa.org.uk>


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