nortel passport 7480 Mvpe problem

We are using passport 7480 with Sw release CE02S2D, In 7480 we are
using MVPe card, which is connected to Maridian option 11 C. On our
remote site we are using passport 6440 with sw release BG00SAB and MVPe
card with is connect to PSTN network. we are not able to make end to
end voice call although we can get the phone tone (i.e when we pick up
the phone we are nble to hear the voice). If some one help us out we
will be very greatful.
we can provide more details if some one needs....
Reply to
Babar Qaisrani
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