Has anyone else experienced no audio ringing sound or other party voice when phoning.  What happens is I do not here ringing or an voice answer when phoning even though the other parties phone does ring and they do answer.  It seems lik...

Can the UC320W detect a fax tone on an FXO line and automatically route that call to the FXS port?Thanks,Mike                  

The SPA50x-30x-7-5-3.exe firmware upgrade utility does not connect to the SPA502G phones.I'm on the same LAN, can ping the phones, and can change the phone settings via the phone Web GUI but the firmware upgrade utility does not connect to the phone....