sometime during the past few upgrades on asterisk 13, my Cisco 7965G phones are sporadically not able to make calls. after a few seconds, they just play a fast-busy tone. I tried upgrading the 7965G OS from their original (working for years) 9.4.2..
sometime during the past few upgrades on asterisk 13, my Cisco 7965G phones are sporadically not able to make calls. after a few seconds, they just play a fast-busy tone. I tried upgrading the 7965G OS from their original (working for years) 9.4.2..