hi, i am terminating a PRI in my 2821 router, i am not using any analog interfaces, its complete digital like we have ip phones in our branch and we will use pri to forward calls to pstn, do i require PVDM ?? or just a simple PRI card will be ok ??
reply urgent plz
Yes you will need a PVDM. The least you will need is 1 DSP per PRI channel. If you are doing conferencing or transcoding, additional DSP resources will be needed for this also