nortel passport 7480 Mvpe problem

Hi, 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....

Regards, Baber

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Babar Qaisrani
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