HEATKEYS

Grasshopper is the virtual phone system designed to help entrepreneurs stay connected and sound professional. Toll free numbers, 800 numbers, local numbers, voicemail, call forwarding, extensions and more. Grasshopper is formerly GotVMail.

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

OpenText is the global leader in fax software with RightFax, and has sold over 100,000 fax servers worldwide. Other offerings include certified document delivery, hosted fax services, fax appliances, and document management software.

Onebox Virtual Receptionist, a Virtual PBX solution, is an affordable, flat rate virtual phone system perfect for your small 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...

FreePBX is an open source GUI for managing Asterisk PBX

This is Kerio Knowledge Base system for Kerio Connect, Kerio Control, Kerio Operator and Kerio Workspace products.

Public, free Vodia PBX support forum

A discussion forum for electronics and circuits

VoIP Fax server solutions for Enterprise, small business and carriers. Fax SIP trunking, virtual fax server, fax machine, fax ata, email-to-fax, fax-to-email, SIP T.38 and IP fax trunking solutions