I need help, and i dont know if you could help me. I have a cisco 7961 g. i have been trying updradred for sip but... i believe that my cisco has died. i believed that upgrade it, he need reboot it, and then for factory reset of the phone, hold down...

Hello friends. I need help. I bought a cisco 7961 g. I have a problem, I need special adapter for power over ethernet ( Poe ), but I want to know if this adapter has to operate with 48 Volt or whether on the contrary, any adapter Poe standard is vali...

I bought a cisco 7961 and I need to know how to update it to use SIP and work with voipbuster. Thanks friends