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New Member

New to CM need help with International Dial Plan

Hi,

I am running up CM 4.1 and have come into an issue with the IDP. I have configued a H323 gateway and can sucessfully get an IP phone to do a pattern match on 0.XXXXXXXX! (using Australian Dial Plan) and dial a phone on the PSTN. However if I copy the above route pattern and modify the pattern to be 0.@, the calls no longer work. Not too sure if I am missing something here, I thought this should allow outbound calls. If I run a debug on the h323 gateway I can see the call trying to establish, I get the following error on a isdn q931 debug;

*Oct 25 07:09:28.626: ISDN Se0/1/1:15 Q931: RX <- DISCONNECT pd = 8 callref = 0x9255

Cause i = 0x849F - Normal, unspecified

Progress Ind i = 0x8288 - In-band info or appropriate now available

*Oct 25 07:09:28.630: ISDN Se0/1/1:15 Q931: call_disc: PI received in disconnect; Postpone sending RELEASE for callid 0x9257

Thanks

Jeremy

7 REPLIES
New Member

Re: New to CM need help with International Dial Plan

Jeremy, the good news is the call does seem to be working, it's certainly sending something to the PSTN.

Can you give us the rest of the debug isdn q931?

New Member

Re: New to CM need help with International Dial Plan

Hi,

Thanks for the reply. Here is the debug in question.

In CM I am removing a leading 0 and prefixing 1456 (telco requires this).

*Oct 27 03:27:35.243: ISDN Se0/1/1:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x0, Calling num 94225555

*Oct 27 03:27:35.247: ISDN Se0/1/1:15 Q931: Applying typeplan for sw-type 0x12 is 0x2 0x1, Called num 145693431751

*Oct 27 03:27:35.247: ISDN Se0/1/1:15 Q931: TX -> SETUP pd = 8 callref = 0x151F

Bearer Capability i = 0x8090A3

Standard = CCITT

Transfer Capability = Speech

Transfer Mode = Circuit

Transfer Rate = 64 kbit/s

Channel ID i = 0xA98381

Exclusive, Channel 1

Calling Party Number i = 0x0081, '94225555'

Plan:Unknown, Type:Unknown

Called Party Number i = 0xA1, '145693431751'

Plan:ISDN, Type:National

*Oct 27 03:27:36.367: ISDN Se0/1/1:15 Q931: RX <- CALL_PROC pd = 8 callref = 0x951F

Channel ID i = 0xA98381

Exclusive, Channel 1

*Oct 27 03:27:36.367: ISDN Se0/1/1:15 Q931: RX <- DISCONNECT pd = 8 callref = 0x951F

Cause i = 0x849F - Normal, unspecified

Progress Ind i = 0x8288 - In-band info or appropriate now available

*Oct 27 03:27:36.375: ISDN Se0/1/1:15 Q931: call_disc: PI received in disconnect; Postpone sending RELEASE for callid 0x9523

*Oct 27 03:27:36.403: ISDN Se0/1/1:15 Q931: TX -> RELEASE pd = 8 callref = 0x151F

*Oct 27 03:27:36.451: ISDN Se0/1/1:15 Q931: RX <- RELEASE_COMP pd = 8 callref = 0x951Fter no mon

New Member

Re: New to CM need help with International Dial Plan

Hi - to me it seems you are doing nothing wrong.

Their not rejecting the call with an error, the Service Provider just drops the call without a reasons.

You can clearly see the correct number is being sent to them, they accept the call (with the "CALL PROC" message, and then suddenly disconnect it.

I think you need to do some sort of co-operation with the Service Provider to find out why they are suddenly dropping the call. CallManager wise, it's configured fine.

Hall of Fame Super Silver

Re: New to CM need help with International Dial Plan

I am not if I understood corretly, but if you are creating Australian dial plan, the @ is not applicable. It is only applicable to North American Numbering Plan (NANP).

"The at symbol (@) wildcard matches all NANP numbers."

Chris

New Member

Re: New to CM need help with International Dial Plan

Unless Cisco have produced a local dial plan for Australia - the @ symbol also matches the UKNP (where I am).

I must admit, I don't know if there is/isn't a dial-plan for Aus? As Chris says, if there isn't - you can't use the @ symbol.

New Member

Re: New to CM need help with International Dial Plan

Thanks for you help so far, yes there is a DP for OZ (AUNP). I have done a little more testing and found if I use 0.! the call will connect. Which leads me to think it is CM droping the call on the return path (could be way of the mark here). It just seems odd that the same information is sent to the H323 gateway when I use either 0.@ or 0.!

Any help would be good at this point....

Thanks

New Member

Re: New to CM need help with International Dial Plan

All sorted,

Looks like this was a case of buggie IOS software. I was running (C2800NM-IPVOICE-M), Version 12.3(14)T2, RELEASE SOFTWARE (fc4)and had a couple of odd things going on;

1. The above mentioned issue

2. when 1300 numbers (and some others) were dialled from an analogue phone or fax connected to the system via a PBX I would also see every digit dialled twice on the router e.g. 1300 123456 would be sent to carrier as 130000112233445566.

Fix: Upgraded the IOS to (C2800NM-IPVOICEK9-M), Version 12.4(4)T, RELEASE SOFTWARE (fc1) and all both issues were corrected

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