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How to configure a DS3 for PRI on an Avaya CM ?

How to configure a DS3 for PRI on an Avaya CM ?

How to configure a DS3 for PRI on an Avaya CM ?

(OP)
Hi,

my customer wants to discontinue using the DS1 cards and want to use the DS3 for PRIs; how are the DS3's configured for PRI use? How is the configuration different from using DS1s?

From my observation, DS3's is not in a card format that goes into a chassis or server.

RE: How to configure a DS3 for PRI on an Avaya CM ?

(OP)
Phoneguy55, can you give a high-level of how the DS3 provide PRI service to an Avaya CM? how the 28 t1 are configure to provide
672 PRI connections for callers to use; does the provider provide the DS3 service? and the Media gateway does what to the DS3 service?

RE: How to configure a DS3 for PRI on an Avaya CM ?

The media gateways cannot support a DS3 directly. They is not enough timeslots to cover all of the channels. You could have a DS3 brought to site but you would need a mux to break it down to DS1s.

If you using SIP then that is a different story since the DS3 would not terminate directly on a media gateway.

RE: How to configure a DS3 for PRI on an Avaya CM ?

Service provider DS3 -> Audiocodes gateway. Input DS3, output SIP -> Session Manager -> CM.

RE: How to configure a DS3 for PRI on an Avaya CM ?

I would definitely put an SBC in between that SIP output and the Session Manager.

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