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History of VoIP (Short Version)

History of VoIP Voice over Internet Protocol (VoIP) transmission began in 1973 as a result of the experimental Network Voice Protocol invented for the ARPANET. However, it wasn’t until 1995 that the first Internet Phone Software – Vocaltec – appeared. Vocaltec brought to market the first internet phone software called the Internet Phone. The Vocaltec software compressed the voice signal, translat...
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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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What are Ofcom’s rules on outbound calling times?

A question we often get asked is what Ofcom considers acceptable outbound calling times for call centres? As this is one of the common complaints people make regarding call centres, you’d have thought that this would be clearly defined and easy to establish. Perhaps surprisingly, it’s not. As this matter logically falls into the remit of the use (or misuse) of a public communications network, y...
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International access numbers for the OpenTAP to SMS text message gateway

OpenTAP to SMS text messaging gateway International access numbers. Great News! Thanks to one of our number providers, we are now able to provide our international customers  with a local direct access numbers for OpenTAP. Australia: +61145143423 Belgium: +32468781170 Spain:  +34806524708 UK: +449117329997
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0871 International Direct Connect (IDC)

Businesses trading from outside the UK can now offer their UK customers the option to call them for the price of a UK phone call. At present many businesses that are based abroad, but trade in the UK require their customers to dial their international phone number. This can cost the caller a lot of money and at the same time can put off those that would have called them had they been based in the ...
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AT&T Discontinues TAP Service

RENO, Nevada—AT&T Wireless text messaging on the TAP gateway has been discontinued by AT&T as of August 31, 2003. As AT&T is now referring to this as an enhanced service, AT&T now offers two fee-based services for text messaging to both TDMA and GSM devices: 1) AT&T Wireless Enterprise SMS; or 2) EFI Unimobile Mobile Messaging. AT&T Wireless Enterprise SMS connects your ...
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