[cisco-voip] CCM desgin

[Ranjan]

Hi 

We are using PRI line terminated with Avaya prologixs model EPBX with 150
anlalog phone.50 anlanlog ph having Avaya Voicemail DEF Audix Model.

Now we are planning to migrate IPT using cisco call manager .
Anybody give solution using exciting setup with new callmanger .
What are the component (Like : VG248 /Router /Fx card /CME or CCM ) required
to setup the same.

Regards,
Ranjan