Currently one of my client Network Topology is VOIP 4-digit dialing on the 3640 via legacy Nortel Opt-11 PBX between HK and California. I want to deploy a better solution AVVID. What would you recommend?.
This query seems to be too vague. There are various solutions related to AVVID. You can find the one you are looking for in the following location: CISCO AVVID
