- Aug 30, 2016
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The phone is able to register and make calls out but... I have issues taking callers off of hold and get dead air when answering calls at times. The phone is connected to an AT&T Uverse Modem. Heres what Ive tried....
1) put Ip address of phone into DMZ which actually caused it to stop registering.
2) I port forwarded UDP 5060 & 5061 (seperately) even changed the local SIP port on phone to 5061 when I tried forwarding to that. (default is 5060)
3) Replaced phone with brand new phone and same identical problems came back
I could not find a way to change the overall firewall security level nor did I see a status. Any Help is appreciated
1) put Ip address of phone into DMZ which actually caused it to stop registering.
2) I port forwarded UDP 5060 & 5061 (seperately) even changed the local SIP port on phone to 5061 when I tried forwarding to that. (default is 5060)
3) Replaced phone with brand new phone and same identical problems came back
I could not find a way to change the overall firewall security level nor did I see a status. Any Help is appreciated
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