My phone system has been running just file for 6 months or so. Started last week i am getting one way audio. I can hear them but they can't hear me. I rebooted my cable modem problem solved. And again today same problem. I have rebooted my modem problem not fixed. 888voip says there not getting the packet. Just got off the phone with comcast. Getting a new modem in the AM. i rebooted my desk phone and now it's working the phone is a SPA942.