The Polycom SoundPoint IP 331 (Part number: 2201-12365-001) is a SIP protocol based IP phone. Designed with a large range of support in mind, the Polycom IP 331 is compatible with many hosted phone systems, SIP based phone systems, and even freeware Asterisk phone systems.
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eBay
Brand New Yealink CP960 Conference phone.
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eBay
Mocet IP Phone. Manufacturer's part code : IP3032. These phones will require SIP provisioning and also a PoE or local power source (not included). 4 x SIP Lines. SI-EP / VoIP. A PoE power source (not included) is required.
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Qty 1 x Polycom VVX410 PoE VoiP SiP Handset - Colour Screen (Full Factory Reset & Firmware Update). Handset cables in good condition. Very Light Use - No Worn Keys, Perfect Colour Screen. Surplus Following Re-Location Project.
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Nicsol SIP Door Entry System with 1 Relay to trigger electric door lock. This system should work with any vendor as long as vendor support open standard SI. Corded: All IP phones supporting SIP protocol should work.
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eBay