At the beginning of this year, we moved over to a new IP phone system, which meant installing site-wide Wi-Fi and changing over to Wi-Fi handsets. We're experiencing some occasional drop-outs in the calls, and unfortunately we're having some difficulty in working out what's causing it.
Since the handsets don't collect statistics on how many missing packets there were, likely because it uses UDP protocol (best effort, connectionless and unacknowledged), I was wondering if there were any applications out there that could check to see how reliable the connection is between two points on a LAN.
I realise the UDP protocol is designed not to check for missing packets and just carry on regardless, but I reckon it should be possible to calculate the number of dropped packets at the application layer if each message were to contain a serial number.
I've had a look around but I can't find anything that meets my requirements. Any suggestions?