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NFAS on E1 PRI link

NFAS on E1 PRI link

NFAS on E1 PRI link

I am setting up a test network to link signaling gateways (SS7) and Media Gateways.   In this, Media gateway E1s are used with NFAS signaling.  But I have only one E1 from the Exchange or Call generator and Call generator can not support NFAS on E1 card.  As i have only one E1 connected from Call generator to Media gateway, can I use CCS signaling  (E1 PRI) instead of NFAS.  Will it work ? or Can I have NFAS if only One E1 is in the NFAS group.

Links is as below:
Exchange   -------------- >>   Signaling Gateway (ISUP/MTP)
           ----------->>  Media gateway (1 E1 ISDN PRI)

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