I have 2 PBXact servers running in HA mode interfaced to the outside world via a SIP trunk. Endpoints are a mix of Sangoma phones (305, 400, 505, 705) and Cisco 7960 phones flashed to SIP. We have 100 meg synchronous fiber and 100x10 cable internet tied through a Meraki MX64 edge device for service.
Recently, I’ve been getting some reports of static in calls and spontaneous 1-way audio in the middle of a call. I know for a fact that part of it is the little crackle of static whenever the animation moves on the Sangoma phones with a display - waiting on new firmware to become available in order to remedy this. I was able to find a recording of one such call and could hear both ends of the conversation on the recording no problem. It’s very intermittent though, happening only a handful of times in a given day. The SIP provider said to check with the ISP, whom I am currently waiting to hear back from.
In the meantime, I was wondering if there are any diagnostics, network statistics, etc available in PBXact that might possibly shed any light on what’s going on? I’ve poked around and have found the CDRs and call recordings, but that’s about all - nothing that would show if network congestion were detected at the time, etc.