Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
LeadMaster - The LeadMaster LeadMasterCRM All-in-One solution includes: marketing automation, lead management, email marketing, website integration & much more.
Mitel - Business Communications and Collaboration
Servetel - Communication management solution
Phonebooth - Phonebooth is one of the leading voip providers, providing phone systems & phone service for small businesses.
Outreach - Outreach Is Your Sales Communication Platform