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.
AIT Telecom
Advanced Innovative Technologies Inc., was founded in 1988 as an engineering research and product development firm. The areas of expertise encompassed range from Information Technology (IT) to advanced materials and telecommunications.
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