SIPphone, Inc. is a VoIP startup that was founded in April 2003 to build a VoIP platform and directory (we call it a dial tone) on which any hardware or software developer could offer free VoIP service.

Since then the company has partnered with web communities, universities, telcos and hardware manufacturers around the world to extend and strengthen its VoIP platform. Today SIPphone's service incorporates all the key elements of VoIP service including:

• Directory Services
• NAT Traversal
• Firmware
• Softphones
• Auto Provisioning
• Online Account Management
• Online Dial tone Management
• Global Datacenters
• Peering
• Open source Support
• PSTN Gateway
• Account Features (Voicemail, etc)
• Support for VXML-based Voice Applications
• SIP and PSTN Network Peering