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.
TSSi VoiceCentricity Solutions
Since 1998, providing the expertise in Voice over IP, Hosted and Enterprise Class network services to provide complete, cost-effective solutions for your telecommunications and services. With in-house systems or our hosted solutions "NPS and VoiceCentrici
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