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| SecureLogix - http://www.securelogix.com/ Secures voice and UC networks and lowers corporate expenses to enhance business operations. |
| Skype - VOIP Calls - International calls - Video Calls - http://www.skype.com/intl/en-gb/help/guides/voip/ Enjoy free international and internet video calls with Skype. Skype provides internet calls, conferences, sms and international calls online |
| VSR - http://www.vsrusa.com/ A global leader in the development of Unified Messaging, Voice Mail, advanced call routing, VoiceXML IVR Applications and IP-based telephony solutions. |