by on October 24, 2020
SIP trunking allows the end-points of a PBX system to send and receive phone calls through an IP network, including the internet or private LAN. SIP trunk can control video, voice and messaging protocols, which make it possible to transmit high-quality communication in small to medium-sized organizations. For more detailed information on the SIP concept, you can consult SIP Trunking Technical Papers. They are very comprehensive reference guides that help organizations understand the basic con...
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by on October 24, 2020
The app will scan your phone contacts and identify other Viber users, then allow you to call them completely free of charge. Viber is available for Android, Blackberry, Windows Phone and iOS. Another 100% free option, Voxofon is available on Android and iOS. The app offers high-quality video calls to any destination, with cross-device functionality for phones, tablets and laptops. And if you’re not using free calling apps and have to actually pay for the call, there are things you can do to m...
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