Polycom Range: Comparison

The table compares the features and functionality of each of the Polycom handsets:

Polycom	SoundPoint® IP 330/331	SoundPoint® IP 550	SoundPoint® IP 650

No. of lines	2 lines – level entry phone	4 lines – with up to 2 concurrent calls per line. Manager phone	6 lines – Executive phone. 12 lines (with the Expansion Module)
Sound quality	Full-duplex IEEE 1329 Type 1-compliant speakerphone with Polycom Acoustic Clarity Technology	Polycom HD Voice technology, including support of G.722 wideband codec, Acoustic Clarity Technology 2, and systems design optimized for HD Voice	Polycom HD Voice technology, including support of G.722 wideband codec, Acoustic Clarity Technology 2, and systems design optimized for HD Voice
PBX Functionality	Enterprise-grade feature set	Advanced functionality, including shared lines, busy lamp field, presence, and XHTML application	Advanced functionality, including shared lines, busy lamp field, presence, and XHTML applications
Display	102 x 33-pixel graphical LCD	Backlit 320 x 160-pixel grayscale graphical LCD, easy-to-read, with support of Asian characters	Backlit 320 x 160-pixel grayscale graphical LCD, easy-to-read, with support of Asian characters
PoE support	Integrated IEEE 802.3af PoE support	Integrated IEEE 802.3af PoE support	Integrated IEEE 802.3af PoE support
Configuration	Easy to configure and use	Easy to configure and use	Easy to configure and use
Interoperability	With leading IP PBX	With leading IP PBX	With leading IP PBX
Ports	Two-port 10/100 Ethernet switch	Two-port 10/100 Ethernet switch	Two-port 10/100 Ethernet switch
SIP	Yes	Cutting-edge SIP features	Cutting-edge SIP features
USB Port	No	No	USB port for future applications
Encryption	Capable of encryption	Capable of encryption	Capable of encryption
Local Conferencing	3-way conferencing	3-way conferencing	3-way conferencing
Multi-language	Multilingual user interface	Multilingual user interface	Multilingual user interface
No. of keys	15 dedicated hard keys & 3 context-sensitive soft keys	26 dedictated ‘hard’ keys & 4 context-sensitive ’soft’ keys	26 dedictated ‘hard’ keys & 4 context-sensitive ’soft’ keys
Programmable keys	None	None	None
No. of function LEDs	Individual multi-color LEDs display the dynamic call state and remote user status	Individual multi-color LEDs display the dynamic call state and remote user status	Individual multi-color LEDs display the dynamic call state and remote user status
Directory	99	100	100
Callers Log	99	100	100
Redial last numbers	99	100	100
Headset Port	Dedicated 2.5 mm headset port	Dedicated RJ-9 headset port	Dedicated RJ-9 headset port
VLAN capable	Yes	Yes	Yes
QoS capable	Yes	Yes	Yes
Expansion Module support	No	No	Support of up to three SoundPoint IP Expansion Modules
Browsing	XHTML micro-browser for web	XHTML micro-browser for web	XHTML micro-browser for web