You can do two B-channel transfer (2bt) on channels serviced by the same D channel only. This would span this capability across 46 channels (if you use that feature).

-dbc
On 20/09/2011 11:35 AM, Martin Glazer wrote:
Hi,

We are having a second PRI installed at a client and the option of NFAS came up. Is there any advantage to using NFAS with just 2 PRI's?

The way I see it with dual PRI's, you have a primary D channel (24) and a backup D channel (48), so one is still losing a voice channel.

Is there any disadvantage to keeping 2 primary D channels?

Thoughts?

Thanks



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