Cisco SPA504G 4-line HD PoE IP Phone is a better alternate for SPA9XX series Linksys IP Phones. SPA504 comes with HD voice quality. SPA505 internet phone is quite compatible with Asterisk, Freeswitch and SIP services like google voice etc. SPA504G is perfect phone for office. SPA504G IP Phone is PoE model which works seamless with Cisco switches.
The Snom 710 is a professional level VoIP Phone, having 4 SIP accounts with white and black display. Four contextual function keys and five programable LED keys makes Snom 710 extremely user friendly. The Snom 710 is soon to be discontinued. For an alternative, we recommend the Snom D710 VoIP Phone
Forget low-quality and low-price Chinese IP phones when you can buy low-price good-quality IP phone of world-class brand, SPA303-G3 is quite affordable VoIP for small business. Cisco SPA303 comes with easy to use features, 3-lines (SIP accounts) and ethernet port and clear LCD display. it is quite compatible with Asterisk pbx, freeswitch and other SIP...
Built-in port for headset and integrated Ethernet Switch Audio controls for full duplex speakerphone, handset and headset Identifies incoming messages and categorizes them for users on the screen Supports Session Initiated Protocol (SIP), Media Gateway Control Protocol (MGCP), and Cisco's CallManager Skinny Client Control Protocol (SCCP)
Look no further if you are looking for USB monoural headset for call center. The plantronics blackwire is perfect choice for this it has all call control features and a solid design. Beside noise cancel and echo cancel. it offer unique QE Quality enhancement technology.
The snom 300 is SIP based IP phone Snom 300 is low-cost model in family of the snom business telephone, the snom 300, meets the most advanced requirements of IP telephony and gives a lot of functions that are not found in expensive IP Phones, VPN and a server-independent CTI (link to Flexor Eumel) are available in snom 300.