HEATKEYS

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...

Asterisk is free software that transforms a computer into a communication server. Asterisk lets you build applications like PBX, VoIP gateway, IVR and ACD.

MaximumPC brings you the latest technology news, computer mods, computer news and the latest computer and notebook reviews. Read the latest PC news

Find unified communications (UC) news, advice and research for IT professionals and learn about strategies for UC deployment, integration and management.

Avaya, a global leader in business communications, provides solutions directly and through its channel partners to leading enterprises around the world.

Elastix, the Open Source Unified Communications Server.

Teledynamic Communications is a leading Authorized Reseller for PBX systems, VOIP, hosted PBX and UC systems in the San Francisco Bay Area. Call us at 800-729-2310 for more info.

Sangoma is a leading provider of hardware and software components that enable or enhance IP Communications Systems for both telecom and datacom applications.

SIP Hosted PBX, Multi-Tenant, VoIP Platform for Service Providers - provides scalable and reliable SaaS IP Telephony Platform. Based on the Session Initiation Protocol (SIP), the Brekeke products provide robust SIP Communication Platform for Service ...