By Mark Wilson

A couple of years ago, I blogged about getting my Cisco 7940G IP Phone working with SIP firmware and an external VoIP provider (in my case, it was Sipgate).  I also wanted to get a couple more Cisco IP Phones working – the Cisco IP Communicator softphone and a 7911G for my wife’s business but, unlike the 7940 and 7960, these phones use a different configuration file format – an XML file that I’d never managed to get working properly. [..]