Vonage
www.vonage.com – 866-243-4357
Pricing: Starts at $40 for limited minutes for one line
Number of Business Users: Up to six lines
Perqs: Call hunting, with a call rolling from one line to the next until answered; call forwarding customization later this year, directing where a call can go
Support SIP: Yes
Available: Now
Response Point
Pricing: Not yet announced
Number of Business Users: Up to 50
Perqs: Link into system from mobile phones; flexibility to toggle between PBX and VoIP.
Support SIP: Yes
Available: Summer 2007