Dear groupMy ccm is connected to a gateway using H.323. The gateway has a FXO port configured to plar a DN number on the ccm using the connection plar opx command when a call received on this port. during testing the call received on the FXO port rin...

I have ccm 3.3(4)sr2 and Cisco Routers 2811 and 2801. What can i do in the CCM to support the 2800 series with MGCP.Do i have to upgrade to 3.3.(5)Is it valid to upgrade from 3.3(4) to 3.3(5)

I would like to test the AAR feature in the lab, In Site A I have a CM 3.3(4)sr2, IP phone 7940 and router 2801. In Site B I have two IP phones 7940 and router 2821.The two routers are connected back to back using frame relay (WAN).Each router equipp...

I am designing an IP telephony solution for 500 user, the problem I am facing now is: my costumer has 70 CO line and 2 E1 DID and 64 analog lines for fax and analog phones, this will make us buy a huge voice gateway.OR we can use an ASCOM UMUX multi...