Hi,I am just wondering that it would be nice to have DDNS or a similar kind of service support on ATAs and Gateways, specially the ones which have option of router(NAT) functionality. This dynamic dns support is already included in most routers/NAT d...

After phone boots it requests an IP address and gets and offer from DHCP server and then phone again requests it and Server Acknolwedges it(All normal according to DHCP protocol). But phone never assign itself the alloted ip address and goes through ...

Call on Customer's Cisco 7960 gets dropped out after 5 minutes.This Cisco 7960 has SCCP firmware version 5.3Currently I dont have access to customer's permises. One information I got is that they have SonicWall firewall.Do anyone of you have got same...

I had SIP firmware 6.1 on my Cisco 7960.It was working fine and I was able to register to my SIP provider and make calls.Last week I tried to upgrade it to 7.5, and it went quite well and was working fine. But to get familiar with the booting/initlia...