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The History of VoIP (Full Version)

The History of VoIP Voice over Internet Protocol, abbreviated VoIP, is a fairly recent technology. It goes by many names, including Voice Over Broadband (VoBB), Internet Telephony, IP Telephony, and broadband phone.The advent of the Internet brought with it an abundance of innovation regarding communication. Of course, there was email in the beginning, but then people started wondering whether th...
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How PSTN and ISDN switch off will impact your business

How PSTN and ISDN switch off will impact your business. As we all know, in 2015 BT announced that they will be switching off the PSTN and ISDN networks by 2025. With this, BT will no longer accept any new orders or amendments to services applicable to any ISDN products from 2020. Once the switch-off has taken place, customers will be migrated to the IPEX (IP Exchange) core network using SIP (S...
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How to Use a VPN with VOIP

Fix VOIP audio and connectivity issues with a VPN Unblock Skype, Viber, and Google Hangouts Secure your video and voice chats with 256-bit encryption Save money on international calls Get instant access to more sites and services from anywhere in the world Get ExpressVPN  Why use a VPN for VoIP? Freedom Some countries in the Middle East and Asia block VoIP services like Skype...
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20 Free SIP/VoIP Softphones

QuteCom Previously known as WengoPhone, Qutecom is a free, SIP compatible VoIP softphone initially developed by Wengo. QuteCom supports a range of VoIP codecs including G.729, G.711, iLBC, G.722 (wideband) and Speex. H.263 for video is also supported. XLite from Counterpath A very popular, free SIP softphone supporting a range of codecs and also offering great support for desktop business video...
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Why do I get one way audio when making phone calls?

If you have ever tried to make a VoIP call and you couldn’t hear the other party, you have experienced one way audio. This is a common problem in VoIP, but can be easily fixed. Why does one way audio occur? The most common cause of one way audio is routers, because many routers are not built with VoIP in mind. Most ISPs will give you one IP, which is the address you use on the internet and allow...
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