The latest of it's range, with self-labling keys. Available in two colours (Magnam or Artic) these phone can be used on 3rd party systems (e.g. Asterisk) which supports the SIP2 protocol(pre-loaded upon request on purchase). Limited Special Offer! Buy 10 units now and get 1 unit free! Click on the links belows for more information:- optiPoint 420 Economy at a Glance Unit Price: US$230.00 optiPoint 420 Economy Plus at a Glance Unit Price:US$325.00 optiPoint 420 Standard at a Glance Unit Price:US$395.00 optiPoint 420 Advance at a Glance Unit Price:US$475.00 Note: All Siemens optiPoint 420 models support IEEE 802.3af POE standard as well as Cisco's proprietary power over Ethernet protocol. In Stand-alone mode, a seperate Mains Adapter is required Also see: VoIP Blog - VoIP News Price: See details # 007
