Siemens Enterprise OpenStage 40 SIP

Siemens Enterprise OpenStage 40 SIP


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.

This model is equipped with a number of options, built in switch with Gigabit Ethernet, connectors for USB slave, adjustable angle display with six lines and a backlight. The machine also has loud speaker for hands free communication, 6 programmable keys, volume keys and other features.
Siemens Enterprise OpenStage 40 SIP model is available in two colors, has a stylish design and can be used in large enterprises as well as in small enterprise networks.

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Detailed description of SIP protocol

Detailed description of SIP protocolSIP protocol was made within IETF (Internet Engineering Task Force) – organization occupied with establishing Internet standards and general standards concerning TCP/IP protocols.

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