Skype

Unison gives you secure "rooms", team spaces where you can post updates or files, get feedback and talk live as a group. Unison works from your smartphone, tablet, or computer. …

Best Rates for International Calls. No Contract, Expiry, or PIN. Use Any Phone, Smartphone or PC. Call Now!

Lync enables users to communicate securely anywhere they have network connectivity, and automatically adapts to network conditions. The unified communications platform integrated into Microsoft Office includes...

Line2 is a VoIP app that gives you unlimited calling and texting over WiFi, with your existing phone number. Make unlimited calls over VoIP when you have WiFi, and switch …

[The Android app is free. By registering via SMS Anywhere application, you will automatically get an account at http://www.cs-networks.net . Pricing: http://www.cs-networks.net/index.php/products/sms-prices ] ...

Vidyo is Videoconferencing software and service for both desktop and mobile.

Zaplee is a global cloud-based PBX phone system. Our system works with Skype, Google Voice, SIP, VOIP, landline and mobile phones. We can provide phone numbers in over 60 countries …

Silent Phone – Secure Encrypted Video & Voice Mobile Phone Calls You now have the ability to have secure encrypted phone calls between Silent Circle members, anywhere, anytime, with complete …