We have 3640 with T1/PRI(NM-HDV) and Analog (NM-HDA 4 FXS and 8FXO). Also we have Callmanager(Primary and secondary). IP Phone (7960 or 7940) use T1/PRI to make call and recieve call. I configure 3640 as h.323.Now my questions is that:Our client ...

hi all,We have 3640 T1/PRI connect to Telco, aslo have Callmanagers (1 Primary, 1 Secondary).If I dial 9 plus 10 digits(national), it will connect fast and smooth!If I dial 9 plus 7 digits (local), it will connect after 12 seconds (slow)!In callmanag...

Hi,We will have 2 CCM (Primary and secondary), 4 3640 with Dual-Port 48 Channel T1 Voice/Fax Network Module in different 4 locations. The company will have T1-PRI line after taking away their PBX. So, the end-user will call on-net (4 digits) and of...

Hi,We will have 2 Callmanagers(primary and secondary), 3640 with Dual-Port 48 Channel T1 Voice/Fax Network Module and VG 200. We already have existing voice mail system, so we will use VG 200 connect to voice mail system.Is there anybody have same e...

Hi,I confuse about between VoIP over Frame Relay and Voice over Fram Relay??Any document I can read??ThanksKen