Int'l Dialing Issue (AT&T)

[Matt_Womack]

I am a novice technician, so please bear with me if I miss something apparent.

I have a customer that can no longer dial internationally station-to-station after the installation of their MiVoice 250. Their Carrier is AT&T (PRI) and I have not heard anything back from them as to what they expect to get from our system to dial internationally, nor do I expect to at this point.

I have checked the dial rules and they appear to be correct. I have also checked that their outgoing trunk group is in the correct groups to dial out. The customer is stating they are getting a fast-busy signal when they attempt to dial.

Does anyone have any guidance on what Dial Rules I should be looking at with an AT&T PRI? Or if I should have my search begin elsewhere?

[Tech Electronics]

Matt_Womack,

When the system was installed and the PRI was tested did they have a problem then or is this a new issue?

Have you tried changing the Call Types for International Station Calls Number Plan and Type of Number to Unknown?

What does the display of the phone show?

Thanks,

TE

[Matt_Womack]

The PRI was able to dial internationally before (according to the customer), so I am operating under the assumption that it is our equipment until proven otherwise. AT&T have done 'tests' but have come up with no faults.

No, I have not tried that change yet. I will give it an attempt and report back.

Sadly, I am working this issue remotely. My POC is very hard to pin down, but when I get hold of him I will ask.

Thank you!

[DND ON]

Try removing Dial Rule 2 if it is active. That's a common issue with AT&T PRIs.

[Matt_Womack]

Dial Rule 2 is removed, no change. Still giving reorder/fast-busy tone.

Phone is showing the number (011-###) being dialed.

Tech, where would I find that information? I'm connected to version 6.0.11

I found it, now I have to wait for my POC to get back to test for me.

[Tech Electronics]

Matt_Womack,

I am not sure what a POC is, I assume your technician, but then again I am not that bright of an individual.

If the display is showing that it has grabbed the channel and dialed the number then has anyone talked to a tester from AT&T to see what the issue is?

Have you tried dialing a direct channel so that it eliminates the 5000's ARS programming as the issue?

Have you looked at the D-Channel Diagnostics to see what Cause Code was sent by the Carrier?

Thanks,

TE

[Matt_Womack]

POC is Point of Contact. In this instance it's someone that our customer has nominated to be our contact individual.

I have tried to get anyone at AT&T that could possibly help, but I've gotten the usual "That's department X, let me transfer you" about 9 times now.

I'll try that when I can get hold of my point of contact.

Where would I find the D-Channel Diagnostics?

[Tech Electronics]

Matt_Womack,

If the person doing the work isn't certified then you don't want them in the spot where you could find D-Channel Diagnostics; let's just stick with the simple solutions first and hope those work.

Thanks,

TE

[marcolive]

Had this issue with a canadian provider. When international calls are sent to the CO, the PBX can send type of number field to "International" or send the prefix "011" in the number field in the D channel... Not both!

You could try to set type of number for international calls to unknown in the Mitel 5000
Go in System --> Controller --> (PRI card and slot) --> Call Type and select unknown to International Station Calls.

Hope this will resolve your issue!

[Matt_Womack]

AT&T finally got to me, they were expecting a different number of digits (I couldn't get more, probably a big oops on their part.) to call int'l. So the fault was completely on their end.

Thanks all for your help!