The VoIP phone works fine most of the time, but when it has some problems I find these informations in the system log: 1) "can not find any account forthe incoming call" 2) "prefix 'x', you enabled th

There are dozens and dozens of discussions about this problem, but no solution. Two errors, which lead to frequent disconnections: Recv no OFFER, DHCP Service unavailable Send DISCOVER with request ip

How long is the NAT refresh time? How many seconds? For how long a router keeps records in the NAT? I found this on internet: According to Section 4.3 of RFC 4787, the UDP timeout of a NAT should not

How do i know if the modem/router has a Symmetric NAT? This information is really important regarding VoIP, yet I can't find it anywhere, nor do I know how to get it. Can someone help me? I have a mod

Advanced - Telephony - Telephone Numbers - Modify - Advanced, here i can't find the preferred codec to set for my VoIP, where I could choose between G.711, G.722 etc... I have always found these setti

OS: Windows 11 64 Bit Connection: TIM FTTC Fiber Country: Italy I need to configure TIM multicast, as requested by the same on this page in the "Fiber Connection" section (this forum doesn't let me po