White Papers
One hour under attack
Andrew Battersby, Core IP Network Manager
What is the risk of exposing a public IP to the internet? Even for a just a short 1-hour window? As applications and end points become more interconnected, the need for port forwarding, remote access, and general reachability increases. As a result, the exposure of your network to the internet …
Why does your company need SIP Trunking?
Spitfire Engineering Team
SIP Trunks take advantage of the latest Internet technology to replace traditional telephone lines providing far more flexibility at a lower cost. They should be considered essential for all businesses who are driven by cost reduction, efficient working, resilience and flexibility …
The Truth about VDSL and VoIP
Harry Bowlby, Managing Director
At Spitfire we discourage the use of VDSL for voice because, whilst anecdotally many people have found it “good enough”, it offers no guarantees of voice quality or any route to resolution should voice quality become unacceptable. Here we discuss why we don’t consider VDSL suitable for business voice use …
MPLS provides multi-site solution
Graham Lewis, Director of IP Engineering / Andrew Duncan, IT Interface Manager
Many customers want to link multiple sites into a voice and data network without the expense of dedicated leased lines or unreliability of IPsec VPNs. MPLS is a way of achieving multisite connectivity efficiently and with minimal cost …
Getting the numbers right
Graham Lewis, Director of IP Engineering
When choosing a telephone number for your business, first impressions count and when calling your business, the type of telephone number you have may make a difference about whether you receive a call at all …
IPv6 Briefing – A Spitfire Review
Graham Lewis, Director of IP Engineering
Whilst much of the attention given to IPv6 is the extended address, size it is important to understand that it is a totally different protocol to IPv4. The two will happily run alongside each other on a LAN and over WAN circuits but the packets travel as though “ships in the night” never interacting or being aware of each other. …
Moving office and mitigating IT risk
Graham Lewis, Director of IP Engineering
Some considerations for a business moving offices, wanting to minimise disruption by mitigating IT risk. Our general approach to any IT work is to change as little as possible and if something has to be changed then only change one thing at a time. …
Meeting the challenge of voice services
Nick Goodenough, Partner Service Manager
Traditionally there has been a clear divide between the supply of data network services and voice telephony. Two distinct channels to market have been established to address the supply of these technologies to customers …
Making the right connectivity decision for your company
Graham Lewis, Director of IP Engineering
Deciding on the right connectivity is critical in assisting with the smooth running of any business. This paper is aimed at anyone who needs to understand the differences between all the connectivity options available to allow them to decide on the correct service for their business …
PBX Security in the VoIP environment
Terry Regan, SIP Trunk Engineer
In today’s communications environment a voice network is just as likely to come under attack as a data network. This paper aims to give an understanding of the threat faced by your voice network and looks at some general guidelines for securing your PBX and voice network against telephony fraud. …
Choosing a SIP trunk provider
Graham Lewis, Director of IP Engineering
This is a guide for UK businesses looking to deploy SIP trunks. It is aimed at a telecoms manager, business owner or anyone who has been charged with looking at or implementing SIP trunks in their business and needs to find a SIP trunking provider commonly referred to as an Internet Telephony Service Provider …