Manufacturer

• AudioCodes  (13)
• Avaya  (30)
• Cisco Systems  (53)
• CyberData Systems  (5)
• DuVoice  (11)
• HP, Inc.  (18)
• Pivot3  (4)
• Ribbon Communications  (10)
• Valcom  (8)
• Yealink  (22)

MSRP

• $2000 - $3000
• $500 - $1000
• Under $50
• $50 - $100
• $100 - $500
• $1000 - $1500
• $1500 - $2000
• $3000 and higher

Discontinued

• Active products only