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Velocity Networks provides Hosted PBX, SIP Trunks, Business VoIP, Business Broadband, T1 Service, Voice Optimized Broadband, QOS, Private Network, and Data Center Colocation in Los Angeles

Internet phone service for your home or office. Pay per call and Unlimited rate plans, phone numbers worldwide. Sign up for a free account today.

SIP Forum - a non-profit industry organization that promotes the advancement and adoption of the SIP protocol

IP PBX phone systems from FortiVoice help small businesses improve image, control costs and stay connected anywhere. Our affordable, scalable telephone systems fit 1 to 400 users per location, FortiVoice PBX and IP PBX telephone systems are VoIP-ena...

Welcome to voip.about.com, your guide site to everything Voice Over IP, also called VoIP, IP Telephony or Internet Telephony. Learn how to make free or cheap local and international calls using your PC or phone. Stay updated on VoIP hows and whats, V...

Business VoIP - OnSIP Hosted PBX and Hosted VoIP Trunking. No per user license fees makes our Hosted PBX service the most economical for your business.

3CX VOIP PBX - provides an easy to use, plug and play SIP - IP PABX for Windows. With a software based IP PBX you will save on PBX maintenance and halve your phone bill. Download the FREE edition today and break free from your proprietary phone syste...