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.
First Communications, LLC
First Communications is an integrated telecommunications company providing local, long-distance and data services to over 200,000 residential and commercial customers throughout the country. Over the past 8 years, First Communications has become one of th
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