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  1. TELCOMENGINEER

    interfacing a nortel 81-c pri to a polycom vsx 7000

    John, The setting on the Polycom are automatically ESF/B8Zs, the only choices are the interface choices of ESS5/ESS4 and NI-2, I think I put NI-1 on the forum. I did change the trunks to DID and also the route, but had the same results dialing out and could not dial in either but can on the...
  2. TELCOMENGINEER

    interfacing a nortel 81-c pri to a polycom vsx 7000

    My problem is interfacing a Polycom vsx 7000 with pri card to a pri on my northern telcom 81-c. The only option on the vsx that half way works is NI-1 matching up with the setting of sl-1 on the pbx. T-1 b channels come up, D channel establishes and the unit will accept video calls in at 384...
  3. TELCOMENGINEER

    NT 81-C NPA/NXX

    Nortel Meridian 1 81-C When programming in a new NPA and using DMI tables to delete and insert, I am allowed only 64 entries under LDID. I know to limit the numbers by using blocks of DID but what happens after you reach the limit of 64. Also if I have an old NPA of say 540 and I need to add...

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