Netvanta UC Poor Quality Audio with NIC Teaming
I have one customer that uses Netvanta UC for their voicemail system. It runs on a virtual machine hosted on a Hyper-V cluster. That's a bit of an issue in itself because the software fails if the VM is migrated between hosts. To migrate it between hosts you need to reactivate it. Not cool. For the past while, they've been having audio quality issues with this system and have investigated all points in the system, but none seemed to show any signs of an issue. I'll let the customer describe it for you: We have been plagued with garbled voicemail for a while now. Finally, we found some Adtran techs who took a hard look and found that when voicemail was hitting our NetvantaUC server sometimes (fairly often actually) up to 35% of the packets were out of order, causing a robotic and sometime impossible to understand recording. They also checked our PRI gateway and noted that there were no issues from the PRI (MTS) or leaving the gateway. Of course this left one switch in quest