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Mysterious # being added to outbound PRI calls

Mysterious # being added to outbound PRI calls

Scenario -

G450 with DS1 PRI to carrier. Carrier is delivering SIP trunk to ADTran then handing off PRI interface. On outbound calls...sporadically and almost always when an AA answers on other side we are seeing a # being added into the call via "list trace tac". This is then causing issues with the far end AA that answers. I can replicate this and it isn't specific to channel, time, user etc.

We replaced the PRI card. We replaced the MM717 Digital pack and it still does this. It does it on IP phones, digital and analog.


RE: Mysterious # being added to outbound PRI calls

it's a carrier issue I bet

RE: Mysterious # being added to outbound PRI calls

I thought this too. But in the trace the # is added from the CM.

It shows the following on list trace station:

Alert Trunk group 1 member 11
Digit # originated by station XXXX
Digit # sent to trunk group 1 member 11


RE: Mysterious # being added to outbound PRI calls

What version of CM?

I'm sure I had this before on CM3.1.3, I think there was a patch which resolved it. Also I'm sure there was a programming change to the trunk group which also resolved it.

We patched the CM and eventually upgraded it as CM3.1.3 was so flakey.

RE: Mysterious # being added to outbound PRI calls

its not on the route pattern is it ?


Not that they mean a thing anymore , get a brain dump pass the test crash the system.

RE: Mysterious # being added to outbound PRI calls

I would check your ARS / AAR table if it matches the minimum and maximum number of dialed digits. Besides this, if you are on 6.2 prior to SP8 then this could be something:

An additional pound sign (#) was added to the dialed number when ASAI was used to make calls and the minimum and maximum number of digits in the AAR/ ARS table were not equal.

Plan your work............Work your plan


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