The Digium D70 is a phone capable of providing HD quality of voice and PoE, it comes with six line keys and ten digital, rapid dial buttons providing status information in real time and additionally a field indicators of a busy lamp for one hundred of your most valuable contacts. The D70 is created for executives and administrators, it was built specially for Switchvox phone system ans Asterisk.
Netropolitan Works builds secure VOIP in Thailand Asterisk systems and can do it in a way that makes sense for your business! http://www.NetropolitanWorks.com/VOIP-Thailand-lp.html