Polycom SoundPoint IP 335 VoIP Digital Telephone 2201-12375-001. The Polycom SoundPoint IP 335 phone features PoE. This VoIP phone is interoperable with SIP and supports most SIP-enabled call features.Model Number: SoundPoint IP 335Polycom Part Number: 2201-12375-001Compatible Part Numbers: 1668-12381-001FeaturesPolycom HD Voice - Unparalleled voice clarity to make your calls more efficient and productiveEnterprise-grade feature setTwo linesFull-duplex speakerphoneEasy-to-read, 102 x 33 pixel graphical LCDSupport of shared lines, presence, 3-way local conferencing, and distinctive call treatmentXHTML micro-browser for Web application