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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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GBP229.99
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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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GBP314.99
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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 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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GBP349.99
More Information
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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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GBP299.99
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Digital ExtensionOne of the top of the range telephones in the Siemens OptiPoint 500 range is the Siemens OptiPoint 500 advance system telephone. It is compatible with the Siemens Hicom and Hipath telephone systems but has to be connected to a digita
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GBP369.99
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Digital ExtensionOne of the top of the range telephones in the Siemens OptiPoint 500 range is the Siemens OptiPoint 500 advance system telephone. It is compatible with the Siemens Hicom and Hipath telephone systems but has to be connected to a digita
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GBP369.99
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Digital ExtensionThe Siemens OptiPoint 500 Basic telephone is a digital telephone that will only work on a digital extension on the Siemens Hipath or Hicom system. The extension has got to be set up for one of the OptiPoint 500 range as the telephone
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GBP279.99
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Digital ExtensionThe Siemens OptiPoint 500 Basic telephone is a digital telephone that will only work on a digital extension on the Siemens Hipath or Hicom system. The extension has got to be set up for one of the OptiPoint 500 range as the telephone
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GBP222.99
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Digital ExtensionThe Siemens OptiPoint 500 Economy phone is a digital system telephone for the Siemens Hicom and Hipath systems. It does need the extension it is being plugged into to be compatible with the Siemens OptiPoint 500 range as it will not
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GBP169.99
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