I recently deployed 20 Sangoma phones (7 - s705’s and 13 - s505’s) at a doctor’s office. Running FreePBX 126.96.36.199 as a virtual machine in a Hyper-V environment. All modules are up-to-date, and I’m running the latest 1.58 (188.8.131.52) firmware on the phones. I have them setup as PJSIP extension/endpoints. They are also setup to go to screensaver after 30 minutes with Default Photo selected as the screensaver.
They worked great for entire week (Mon-Fri), but after sitting idle over the weekend, all of the 20 phones (except for 5 or so) had vertical lines across the screen or a blank screen, and were locked up; no dial tone, nothing; they showed as Unavailable in FreePBX. After rebooting the phones, they came back up, and have worked fine throughout the day today.
I have two other s705’s that I’ve testing in other FreePBX POCs, and they would also lock up and show vertical lines across the screen after being idle for a period of time. So, this makes 3 separate FreePBX instances with Sangoma phones that have exhibited this behavior. I thought it may be a fluke, so I moved forward with the large order for the doctor’s office.
Has anyone else ran into this type of issue?