hi,I am trying to connect ATA 186 to a 3750 POE switch. ATA 186 has external power. for some reason, the link on the switch port does not come up when ATA is connected. tried connecting a cisco ip phone on the same switch port and the phone works fin...

Hello professionals,I need help in understanding things in Video Over IP. I am in charge of a site that has a Video Conferencing Manager, MCU and PSTN gateways for IP Telephony. If my understanding is correct, the video conferencing manager acts as t...

Hi,I am trying to integrate legacy overhead paging system with Cisco. I have a VG248 GW with FXS ports and 2800 series router with FXO ports available. There is also a Bogen's TAMB installed. the last time I tried interfacing with the paging syetm us...

Hi,we have a issue where new applications in ipcc rings once and hangs up. The calls are not direct calls and They are handed off from Unity (blind transfer). This is intermittent. If we try calling the application 5 to 8 times and it might fail on t...