Polycom SoundPoint IP 335 Power Supply Not Included Works with Ringcentral, vonage, voip.ms, Asterisk PBX and FreePBX Polycom HD Voice technology, including support of G.722 wideband codec, Polycom Acoustic Clarity Technology 2, and systems design optimized for Polycom HD Voice technology Interoperability with leading IP PBX and Softswitch platforms Advanced functionality, including shared lines, busy lamp field, three-way conferencing, and XML microbrowser Integrated IEEE 802.3af Power over Ethernet (PoE) support (Class 2) NO power supply since this phone supports POE. Ideal for call centers and cubicles, The SoundPoint IP 335 features 2 lines, and is SIP trunking capable, It supports PoE, power over Ethernet Polycom HD Voice for high quality conversations, Two Lines, Integrated PoE,10/100 Ethernet switch,102 x 33 pixel backlit grayscale graphical LCDColor: 478861,

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