Polycom IP 335

Features & Functions

Up to 2 lines with up to 2 calls per line, Polycom Acoustic Clarity Technology & HD Voice, 102×33-pixel graphical monochrome display, Integrated 802.3af PoE support (no need for extra cables), Dual 10/100 Ethernet ports, Dedicated RJ-9 headset port, Full-duplex speakerphone, XHTML micro-browser for Web applications

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Polycom IP 550

Features & Functions

Four lines, AC Power Adapter Included, Backlit 320 x 160-pixel graphical grayscale LCD, Shared call/bridged line appearance, Busy lamp field BLF, Presence, buddy lists, XHTML micro-browser for Web applications

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Polycom IP 650

Features & Functions

Six lines standalone / 12 lines with the Expansion Module, Polycom HD Voice technology, Acoustic Clarity Technology 2, (Shared lines, busy lamp field, presence, and XHTML applications), Support of up to three SoundPoint IP Expansion Modules, Backlit 320 x 160-pixel grayscale graphical LCD, Integrated IEEE 802.3af Power over Ethernet PoE support, USB port for future applications, Phone ships with AC Power Adapter

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Cisco SPA 504G

Features & Functions

4-Line Phone with Dual switched Ethernet ports, Supports SIP or SPCP protocol, G.729 and G.722 Wideband Audio Support, Menu driven user interface, Web based GUI, remote provisioning, IP dialing support with Hi Res LCD Display, High quality audio handset and 2.5mm stereo headset connector, Full duplex hands free speakerphone, Hearing aid compatibility (HAC), Optional PA100 Power Adapter and MB100 Wall Mount Adapter

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Cisco SPA 508G

Features & Functions

8-Line Phone with Dual switched Ethernet ports, Supports SIP or SPCP protocol, G.729 and G.722 Wideband Audio Support, Menu driven user interface, Web based GUI, remote provisioning, IP dialing support with Hi Res LCD Display, AUX port (SPA932 or SPA500S attendant console is supported), High quality audio handset and 2.5mm stereo headset connector, Full duplex hands free speakerphone, Optional PA100 Power Adapter and MB100 Wall Mount Adapter

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Yealink SIP-T22P

Features & Functions

3 VoIP accounts, hotline, emergency call, Call waiting, call transfer, call forward, Hold, mute, flash, auto-answer, redial, 3-way conference, DND, speed dial, Phonebook (each record with 3 phone numbers, 300 entries), XML Phonebook search/import/export, Lists of missed, received, dialed and forwarded calls, Volume adjustment, ring tone selection, Tone scheme, System log, Multi-language (more than 20)

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Yealink SIP-T28P

Features & Functions

6 VoIP accounts, hotline, emergency call, Call waiting, call transfer, call forward, Hold, mute, flash, auto-answer, redial, 3-way conference, DND, speed dial, XML Phonebook search/import/export, Black list, call history (100 entries), Volume adjustment, ring tone selection, Tone scheme, System log, Multi-language (more than 20), Supports up to 6 expansion modules

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Polycom IP 6000

Features & Functions

Polycom HD Voice for high-fidelity calls at up to 14 kHz, Polycom’s patented Acoustic Clarity Technology, 12-foot microphone pickup, Strong, robust SIP software, Compatible with a broad array of SIP call platforms, High-resolution display, Enables robust call information and multi-language support

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Polycom IP 7000

Features & Functions

Polycom HD Voice™ technology, Patented Polycom Acoustic Clarity Technology, 20-foot microphone pickup, and even greater distances, Flexible configuration options, Compatible with a broad array of SIP call platforms, Large high-resolution display with XHTML micro browser

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ATA – (Cisco / Grandstream)

Features & Functions

Analog Telephone Adapter (ATA), Intelligent low-density Voice over IP (VoIP) gateway, 2 FXS, 1 10/100 WAN and 1 10/100 LAN Ports, Enables carrier class residential and business class IP Telephony, 2 standard RJ-11 Telephones, LED Lights indicate the state of each call, 10/100 LAN port allows Internet to be extended to a second device