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Microsoft Exchange 2010 Unified Messaging - Monitoring Capacity of T1 Gateway to CM 3.1.2 PBX

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AuraTechie

Vendor
Apr 2, 2012
4
US
Thanks for any insight you can provide.

We have an Avaya PBX running CM 3.1.2 connected to an Exchange 2010 Unified Messaging server for voice mail (via an Audiocodes T1-to-SIP gateway). We have provisioned a 23-channel T1 trunk on the PBX.
Our users have had a very good experience so far with the trasition off Audix, including no busy signals.

However, on Monday mornings lately, we think we might be reaching capacity on that 23-channel link, since a few UM busy signals have been reported in that 8am-9am time period.

Is there anyway for us to pull capacity history metrics off the Avaya PBX? Or do some realtime monitoring of the T1 trunk side of the gateway to confirm our suspicians? And if you want to add your 2 cents for a long-term solution (i.e. adding SIP trunk to the equation?) that would be good to know too.

Thank you.
 
AuraTechie, I'm trying to configure a similar setup, could you post your config for the Avaya side please? Specifically the trunk group & DS1 board. Thanks In Advance.
 
If you are getting busies, the status the trunk on the Avaya side to show currently connected members. You can also look in your AudioCodes to see activity on all channels to see if they are getting all used up.

I have that setup on about 20 sites and even at our larger sites I don't use up more than 10 channels at any given time. How many users is this supporting? If all of the channels don't look like they are being used then it might be a configuration in the AudioCodes to only allow certain channels for incoming calls.

Also keep in mind that it might be UM not able to take the call that results in a busy condition back to the inbound caller.
 
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