Callsure Business Telephone & Fax Numbers
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Our network: Powerful, reliable and well-connected

Our network services are based in the City of London. Our systems are highly-automated, self-monitoring and highly-reliable. Because of this, we can spend more time helping you get the most from our services - and deliver new, market-leading ways to help you to succeed.

Interconnects and carriers

Leveraging our own network capabilities and partner networks, we benefit from using six primary interconnects from a mix of Level 1 carriers and innovative companies (including BT Wholesale, BandX, Telecom 1 and Citrus), and employ technologies from Nokia, Ericsson and Telsys. Our ability to choose from alternative carriers lets us select the best quality call route and provide routing redundancy and fault tolerance.

Driven by innovation

Our track-record proves our ability to deliver ground-breaking services, and includes several 'world-firsts'.

We've used our own GenX software to get the greatest value out of industry-leading products from other top network vendors. Developed from the outset with a focus on quality and economic efficiency, GenX offers telecoms solutions that are high-performance and competitively-priced.

In 2008 GenX was superceded by GenY, offering the economies of VOIP, backed by the reliability of instant PSTN fallback. When it comes to cost efficiency, customers really notice the difference.

Gen3 (our third generation network)
Year Development
1995 Gen3 launched, with Unified Messaging (voice and Fax) on UK Geographic numbers World First
1996 Gen3 is integrated with third party personal number systems  
1997 Personal Number (PN) system launched. Free PN's given away. World First
2001 Customers are upgraded to GenX accounts, without charge.  
2004 The last Gen3 switch is retired after nine years commercial service  
GenX (our next generation network)
Year Development
1998 New features planned. Development starts.  
1999 Development ongoing.  
2000 GenX launched, with dmVoice and dmFax.  
2001 dmCalls is launched - a speaker-independent voice-activated outbound dialling service. World First
2002 Web-driven ecommerce system for dealers introduced.  
2003 dmSwitchboard launched, with XML-scripted control system. World First
2004 dmAllTalk makes its debut in the voice conferencing arena.  
dmAnswers, a human answering service, is introduced with static routing.  
2005 ProVoiceOver and dmAnswers now use dynamic routing, and can use multiple call centres. World First
2006 XScript is launched, for high-end enterprise-grade telephony. VOIP development continues. World First
2007 UK geographic numbers launched, and available to buy online
2008 Flexible price plans introduced ( Bas / Pro / Ent ) giving better value at high call volumes  
GenY (our IP generation network)
Year Development
2006 GenY comissioned, to cement our competitive position by taking advantege of VOIP economics  
2007 Work starts on integrating IP telephony into our network infrastructure  
DML builds bridges with partner carriers  
2008 GenY made available to customers, who can now take advantage of VOIP trunking  

Making life easier with 'high convenience' services

Our technologies provide extra convenience for customers, making it simple to view usage logs, read messages, check account details and pay bills. Please contact us if you want to know more about our network.

Why choose Callsure Business Telephone & Fax Numbers?

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Callsure Business Telephone & Fax Numbers
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For peace of mind

Network Illustration

Our network is very stable and reliable thanks to a firm focus on quality at every turn.

 

Typical First Invoice
Support  |  Clubhouse
Summary | Product Family | Quality of Service | Value for Money | Safety & Stability
Support  |  Clubhouse
Summary | 0207 | UK Local Numbers | 0800 | 0844 | 0845 | 0870 | 0871 | 07-D | 07-K | 07-PN2 | Gold Numbers
Support  |  Clubhouse
Summary | dmConnect | dmVoice | dmFax | dmSwitchboard | XScript | ProVoiceover | dmCalls | dmAllTalk | dmAnswers
Support  |  Clubhouse
Summary | ABC HomeCinema | Nerd Networks | Pamela Silver Real Estate | Philip & Liz Harbottle
Callsure Business Telephone & Fax Numbers
All rights reserved, 2006-2008
dmABS 1.5.F.2 / 2010-07-29_21-46-13_4066
38.107.191.104
Callsure Business Telephone & Fax Numbers | Why Us? | Numbers | Services | Solutions
Summary | Company Background | News | Our Network | Full Contact Details