SIP Trunking and Business VoIP
Click here if you are looking to make the move from traditional analogue or ISDN digital phone lines to Voice over IP SIP trunks using your existing telephone system or looking to replace or supplement existing SIP trunks.
Retaining your telephone numbers or adding new ones is simple and straightforward. We can then assure call quality over one of our voice approved data circuits.
Spitfire has been supplying SIP trunks for over 10 years.
Direct Routing for MS Teams
With Direct Routing for MS Teams deploy Spitfire SIP trunks on your Microsoft Teams Phone System Take control of your voice quality and call charges with Spitfire’s award winning SIP Trunks while enjoying the feature benefits of the Microsoft Teams platform. By utilising Direct Routing for Microsoft Teams you can connect Spitfire’s SIP Trunks for […]
Hosted Phone Systems
If you are looking to replace your existing phone system then Spitfire is an award winning provider of hosted PBX solutions.
Hosted telephony offers unrivalled flexibility and scalability to deliver a system that grows with your business.
Enjoy a feature rich telephone system with assured call quality, free calls between office sites and remote extensions from just £6 per month and no set up charges!
Advanced Call Recording
Advanced call recording of telephone calls is a straight forward task with many telephone systems but this often opens up a raft of challenges, particularly around compliance. Spitfire Advanced Call Recording features go beyond the need to record calls “for training and monitoring purposes” and deliver the functionality required for you to meet your compliance […]
Business SIP Explained
What is SIP?
Discover more about the differences between Voice over IP for residential use versus a true business alternative for ISDN phone lines.
Learn how Spitfire are able to provide a truly robust service with end-to-end assured call quality within a secure core network environment.
At Spitfire we believe that ensuring call quality is paramount when choosing any VoIP solution whether that is SIP trunks for an on-premise solution or a Cloud hosted PBX. Any VoIP call is likely to cross multiple networks to reach its destination. To ensure call quality it is important to understand these networks and where […]
Spitfire QoS Options
Which is the right solution for you? Quality of Service (QoS) represents a variety of mechanisms that can be applied to a network to ensure that network traffic is delivered to its destination without being impeded by other traffic. This is especially important if you intend to use the same circuit for both voice […]
SIP Trunking and Hosted PBX
Spitfire is one of the UKs leading SIP trunking and business VoIP specialists, providing all of the services you need for when you are ready to move your telephone communications to IP and a next generation network.
Switch from traditional telephone lines to SIP trunks or Hosted PBX services and you can enjoy number flexibility, improved business continuity and scalability, whilst benefitting from significant cost savings.
If you are opening a new office or moving premises, looking to reduce costs or are worried about disaster recovery then speak to Spitfire about SIP services. With BT Group aiming to shut down their ISDN network by 2025, it’s time for you to plan your move to SIP.
Click on the product info buttons to the right for more information on SIP Trunking or Hosted Telephony solutions.
Need more information about how business SIP Trunks actually works then visit our ‘Business SIP Explained’ page using the button or alternatively enquire now and one of the team will be happy to help.
If you are moving premises or opening a new office, looking to reduce costs or are worried about disaster recovery, you need to speak to us about SIP and Business VoIP. More than 90% of the main office telephone line installations we make are now based on SIP services – and we’ve been using a VoIP network in our own offices for over eight years.
Over 80% of ISDN lines will have moved to SIP by 2019, and with BT Group aiming to move all ISDN customers to IP by 2025, it’s time for you to plan your move.
If you would prefer to continue to use your existing phone system then we have a range of SIP gateways which can easily enable your existing platform, whilst still offering a great saving over existing ISDN telephone line charges.