HEATKEYS

IPPBXs, multi tenant, cloud IP PBX and soft switch phone systems for businesses and service providers

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

Virtual PBX small business phone system: The hosted PBX with Fortune 500 features and low up-front costs now offers business VoIP

The call center software solution that

AVOXI virtual call center solutions provide virtual call center products like SIP trunking and VoIP gateway solutions, with international toll-free numbers.

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...

Zaplee Cloud-Based Phone System Running on Skype, Google Voice and SIP for Growing companies. A Virtual Phone system with no hardware or software, easy phone set up in ten minutes or less.

PrettyMay - Skype PBX / Phone systems, IP PBX Software, Skype Call Recorder, Skype Call Center solutions provider

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

asterCC provides a solution for call center and realtime billing solution for asterisk based, it could work with all asterisk based system but no need change any thing to your orginal system

8x8, Inc. (Packet8) offers VoIP business phone service to small and medium sized business.