sip

Greetings! I have a BSNL WiFi connection with the Wireless router, and to that I connect using a LAN Cable a SIP phone (Grandstream 1200). Now, I want to connect the SIP phone to the internet at a location away from the router where I can not run a LAN Cable. I want to know is it possible...

This is just an overview of the Session Initiation Protocol...i have done search for it... =========***********************************=========== 1.Introduction to SIP 2.Components of SIP 3.How SIP Works --------Introduction to...