White Papers

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 …