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Community Member

New PRI Install

I have ordered 3 pri's from my telco and they are asking me this question but I am not sure what this means. I know for sure we don't want to do NFAS signaling.... Unless i am not understanding what NFAS really does...

"Exception Please confirm configuration,Order is requesting 3 spans as NFAS no backup D, Cisco builds are usually configured as FAS. Thanks"

1 ACCEPTED SOLUTION

Accepted Solutions

Re: New PRI Install

You probably don't want to run NFAS. FAS is the opposite of NFAS, so you would want that.

NFAS increases complexity and you are also forced to use H323/SIP. You save a couple of B channels at the expense of it being a true pain for implementation.

Your experience may vary.

hth,

nick

4 REPLIES
Cisco Employee

Re: New PRI Install

most usually NFAS is not ordered. in any case read this to understand NFAS

Configuring NFAS with Four T1s

http://www.cisco.com/en/US/tech/tk801/tk379/technologies_configuration_example09186a00800a6bf2.shtml

HTH

java

if this helps, please rate

HTH

java

if this helps, please rate

www.cisco.com/go/pdi

Re: New PRI Install

You probably don't want to run NFAS. FAS is the opposite of NFAS, so you would want that.

NFAS increases complexity and you are also forced to use H323/SIP. You save a couple of B channels at the expense of it being a true pain for implementation.

Your experience may vary.

hth,

nick

Community Member

Re: New PRI Install

Yes I have used NFAS in a different location and it was really a pain to setup. I am running MGCP on this gateway so I should tell them that I want each PRI setup with FAS signaling... Is that correct?

Re: New PRI Install

Correct!

Thanks for the kind ratings.

-nick

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