Hi to all,i have a cisco 1751-v with 4 isdn bri interfaces connected to four different telco lines with 4 different numbers, is possible to configure the cisco to make appear a unique number when a call is made from any of the 4 lines?I think is isdn...

Hi to all,i'm trying ro configure a 2801 with 2 bri interface for 2 isdn lines but the strange thing is that i can make call from an ip phone but i cannot receive call from external phones.The phone begin to ring but in the same istant on the other s...

Hi to all,i have a 1751v and i want to configure for my isp voip.I have configured registrar and sip server but on the isp router i have a parameter that i don't know how to configure.This parameter is sip proxy and i don't know hot to configure it o...

Hi to all,i have used the script editor for use a custom prompt i have created(loquendo is very nice) but when the call is redirectd to the voicemail instead of earing only the beep i ear a system prompt(the extension 888 is not avaiable at the momen...