The problem with dropped calls is resolved.... turns out the Phone vendor replaced two IAD(?) cards with two PVA(?) cards. Found out later (from NEC) that the PVA cards are not compatible with a IPK I cpu. Vendor changed the IPK I Cpu card with an IPK II CPU and the problem went away... I fault...
I agree that it is in the pbx.... I've forced them to replace it in it's entirety... hardware and software.
This is supposed to be done tomorrow...we shall see.
We have an NEC Electra Elite looking into a fractional T1 for voice. About 6 months ago it started dropping our end of the conversation.... that is, the caller could not hear us but we could hear them..... Phone vendor, communications provider and carrier techs have all looked at problem with no...
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