Siemens Enterprise OpenStage 40 SIP IP-phone is a great solution for people working in the permanent place. This model features a large display and easy setup of various protocols such as TDM, HFA and SIP.
Quicknet Technologies, Inc. (QTI) was Incorporated in January 1995 in San Francisco, California. Quicknet seeks to create the first Globally Distributed Local Telephone Company or GLEC