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The Siemens optiPoint 420 familyAll telephones in the Siemens optiPoint 420 family are equipped for VoIP telephony with standard voice codecs and QoS mechanisms. High voice quality on the telephone is provided by using the G.722 wideband voice codec.
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GBP409.99
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The Siemens optiPoint 410 S familyAll models belonging to the optiPoint 410 S families are based on the SIP protocol Session Initiation Protocol for effective communication with all components in the network. This enables the terminal devices to supp
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GBP439.99
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The Siemens optiPoint 420 S familyAll models belonging to the optiPoint 420 S families are based on the SIP protocol Session Initiation Protocol for effective communication with all components in the network. This enables the terminal devices to supp
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GBP409.99
More Information
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