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uzumaki (TechnicalUser)
27 Aug 09 10:20
On an avaya platform equipments, let say i have an S87xx on main site with ISDN and H.248 gateway with ISDN on 2nd site remote office)

When and how does a call consumes x2 DSP resource?
Mitch672 (Vendor)
27 Aug 09 11:27
The older TN2302AP (Medpro), and the older G350/G700 media gateways will use 2 DSP resources when using a compressed codec, such as G.729, or G.723, while using a single resource for G.711MU/A

The newer TN2602 Media Processor, and the newer gateways, such as the G430/G450 use a single media resource for compressed and uncompressed codecs.

That is the simplest, clearest, explanation I can give you.

 

Mitch

AVAYA Certified Expert

uzumaki (TechnicalUser)
27 Aug 09 12:18
Actually im running on CM5.1.2 S8720 with 3 G450 x2 MP80 on box. Do u have any shared documentations about it? I'm currently facing a small dilema on how to tell to my client to add up another MP80 per box.

I have 7 ISDN trunks terminated on all 3 G450 on my remote site, integrated with Nortel Periphonics IVR via DS1 board. Plus i have 2 tielines to nortel and 1 tie line to Cisco. - This is my Phase 1.

The phase 2 of this project is to add up 3 more ISDN lines and remove IVR and will replace Avaya Voice Portal with 80 ports.
Mitch672 (Vendor)
27 Aug 09 13:12
If you upgrade that system to CM 5.2, there are now "list measurment ip" commands available, that show the VoIP resource utilization, that would be one way for you to see how many voice resource are used on each gateway on an hourly measurements basis.

 

Mitch

AVAYA Certified Expert

dufus2506 (IS/IT--Management)
27 Aug 09 13:14
You will need a medpro board in each port network anyway.  If you are adding a PN, the PN uses the medpro board to communicate with each other PN.

Generally, you need one DSP resource (excepting compressed as described above) for each VoIP session that will be maintained.  So you'll need to consider medpro resources to speak between the PNs and other medpro resources to speak to the AVP.

Carpe dialem!  (Seize the line!)

uzumaki (TechnicalUser)
6 Sep 09 23:30
Let say a call comes in to the H.248 gateways on my 2nd site let say a DID call and it lands on an IP phone (DID number) ISDN calls are TDM calls so to speak, when i hit the IP Phone do i need x2 medpro resource?
Mitch672 (Vendor)
7 Sep 09 0:12
If it comes into an H.248 gateway (G450), it would be using VoIP resources from that gateway, this has nothing to do with Medpro's in the G650's, in that case.

Like I said, if you are using a G450 as the H.248 gateway, that box uses a SINGLE IP MEDIA resource for either compressed or uncompressed calls, and yes, a call from a DS1/PRI to an IP Phone will use 1 media resource.

 

Mitch

AVAYA Certified Expert

uzumaki (TechnicalUser)
7 Sep 09 10:34
Thanks Mitch. :)

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