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.
nPlusOne is a wholly owned subsidiary of Edinburgh Network Technologies Ltd. With literally decades of experience in the design and operation of SS7 and IP network infrastructure, hardware and OSS, as well as developer skills building the