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Recommended antivirus and firewall solutions

Comodo Antivirus 2019 DOWNLOAD FREE 100% Free from Comodo Comodo's award-winning free antivirus provides unbeatable protection from every type of malware. Lightning-fast cloud scanner blocks malware even if you don't have the latest updates. Blocks ransomware and zero-day threats by locking them in a secure container where they cannot infect your computer. Comodo Free Firewall ...
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STUN Servers

What is STUN? A STUN (Session Traversal of User Datagram Protocol [UDP] Through Network Address Translators [NATs]) server allows NAT clients (i.e. IP Phones behind a firewall) to setup phone calls to a VoIP provider hosted outside of the local network. What does a STUN server do? The STUN server allows clients to find out their public address, the type of NAT they are behind and the Internet s...
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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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BT to be fined Ā£42m for breaching contracts with telecoms providers

BT will be fined Ā£42m for a serious breach of Ofcomā€™s rules, after the company reduced compensation payments to other telecoms providers for late installations. Ofcom investigation finds BT cut its compensation payments for delays in connecting high-speed business lines These important networks underpin the UKā€™s communications infrastructure BT has admitted failings, and agreed to compe...
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How to Use a VPN with VOIP

Fix VOIP audio and connectivity issues with a VPN UnblockĀ Skype,Ā Viber, andĀ Google Hangouts Secure your video and voice chats with 256-bit encryption Save money on international calls Get instant access to more sites and servicesĀ from anywhere in the world Get ExpressVPNĀ  Why use a VPN for VoIP? Freedom Some countries in the Middle East and Asia block VoIP services like Skype...
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SIP Response Codes Session Initiation Protocol

SIP (Session Initiation Protocol) is a signalling application layer protocol designed to create, modify, and terminate a multimedia session over the Internet Protocol. It is the most common protocol used in VoIP technology. In SIP, every network element is identified by a SIP URI (Uniform Resource Identifier) which is like an address. They are broken down as 1xx Provisional Responses, 2xx Successf...
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Clear pricing of our NGN phone numbers

Here at DIDcomms we believe in making customers, callers and other end-users of our phone numbers we issue, known as NGN's which means "non-geographic numbers" For that very reason here you will find the costs of each number type are provide. Number types and costs to the callers from a BT line (calls from mobiles and other networks may vary) 070457xxxx (cost to caller Ā£0.375 daytime, Ā£0.25 ...
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