--- title: SIP Provider --- ![SIP PROVIDER](https://www.tctg.co.uk/hs-fs/hubfs/Website%20Images/icons/1519317750.png?height=50&name=1519317750.png) # SIP PROVIDER SIP services, or Session Initial Protocol, is a seamless process of initiating and maintaining multimedia communications of all types, including voice calls, video calls, and general messaging applications.   Concorde Technology Group is a leading SIP Provider, able to connect your private branch exchange (PBX) to the national public switched telephone network (PSTN) using internet protocol (IP) connection. Our services are fast and reliable, offering excellent connection quality and service without disruption.   Our SIP provider network is easy to manage as SIP trunking joins your existing telephone exchange to the national line using an IP connection. Concorde’s solution is flexible and robust, offering a cost-effective alternative to the standard ISDN UK and international call rates.   Have peace of mind with Concorde Technology’s SIP services - we will handle everything from initial set up, to ongoing maintenance, and continued support. Our experts will ensure that the transition is seamless, with little to no disruption whilst allowing you and your teams to keep your existing numbers. Concorde Technology Group provides a range of communications tools to maximise your business' performance, including [**hosted telephony**](https://www.tctg.co.uk/service/hosted-telephony?hsLang=en-gb), [**wireless and fibre leased lines**](https://www.tctg.co.uk/service/wireless--fibre-leased-lines?hsLang=en-gb), and [**video conference**](https://www.tctg.co.uk/service/video-conference-installations?hsLang=en-gb) facilities. Visit Concorde's **[online shop](https://connectonline.e-nitiative.eu/)** for a comprehensive range of products available for purchase. Our clients also benefit from comprehensive support, including an integrated [**support hub**](https://www.tctg.co.uk/customer-support?hsLang=en-gb).  To find out how Concorde Technology Group can help you and your business with SIP solutions, **[contact](https://tctg.co.uk/contact?hsLang=en-gb)** us today, or speak to one of our experts on 03331 300600 or enquiries@tctg.co.uk.  Concorde Technology Group provides world class technology services and solutions, including **[Technology Solutions](https://tctg.co.uk/technology-solutions?hsLang=en-gb)**, **[Cloud Solutions](https://tctg.co.uk/cloud-solutions?hsLang=en-gb)**, **[Communications](https://tctg.co.uk/communications?hsLang=en-gb)** and **[Cyber Security](https://tctg.co.uk/cyber-security?hsLang=en-gb)**.   ## **Get In Touch** ## **Recent Posts** [![National Apprenticeship Week 2026](https://www.tctg.co.uk/hs-fs/hubfs/0642.jpg?width=500) ](https://www.tctg.co.uk/blog/national-apprenticeship-week-2026?hsLang=en-gb) #### [National Apprenticeship Week 2026](https://www.tctg.co.uk/blog/national-apprenticeship-week-2026?hsLang=en-gb) [![Why Data Security must be a top priority for 2026](https://www.tctg.co.uk/hs-fs/hubfs/Blog-page-images-41.jpg?width=500) ](https://www.tctg.co.uk/blog/why-data-security-must-be-a-top-priority-for-2026?hsLang=en-gb) #### [Why Data Security must be a top priority for 2026](https://www.tctg.co.uk/blog/why-data-security-must-be-a-top-priority-for-2026?hsLang=en-gb) [![How to shop safely online during Cyber Monday](https://www.tctg.co.uk/hs-fs/hubfs/0x0.webp?width=500) ](https://www.tctg.co.uk/blog/how-to-shop-safely-online-during-cyber-monday?hsLang=en-gb) #### [How to shop safely online during Cyber Monday](https://www.tctg.co.uk/blog/how-to-shop-safely-online-during-cyber-monday?hsLang=en-gb) ## **Communications** ##### [![Data Storage Solutions icon](https://www.tctg.co.uk/hs-fs/hubfs/Website%20Images/icons/1520354707.png?height=35&name=1520354707.png) TELECOMMUNICATIONS CONSULTANCY](https://www.tctg.co.uk/service/telecommunications-consultancy-?hsLang=en-gb) ##### [![Data Storage Solutions icon](https://www.tctg.co.uk/hs-fs/hubfs/Website%20Images/icons/1519317823.png?height=35&name=1519317823.png) HOSTED TELEPHONY](https://www.tctg.co.uk/service/hosted-telephony?hsLang=en-gb) ##### [![Data Storage Solutions icon](https://www.tctg.co.uk/hs-fs/hubfs/Website%20Images/icons/1519317809.png?height=35&name=1519317809.png) WIRELESS & FIBRE LEASED LINES](https://www.tctg.co.uk/service/wireless--fibre-leased-lines?hsLang=en-gb) ##### [![Data Storage Solutions icon](https://www.tctg.co.uk/hs-fs/hubfs/Website%20Images/icons/1519317791.png?height=35&name=1519317791.png) BROADBAND PROVIDER](https://www.tctg.co.uk/service/broadband-provider?hsLang=en-gb) ##### [![Data Storage Solutions icon](https://www.tctg.co.uk/hs-fs/hubfs/Website%20Images/icons/1519317778.png?height=35&name=1519317778.png) MPLS PROVIDER/IP VPN PROVIDER](https://www.tctg.co.uk/service/mpls-providerip-vpn-provider?hsLang=en-gb) ##### [![Data Storage Solutions icon](https://www.tctg.co.uk/hs-fs/hubfs/Website%20Images/icons/1519317763.png?height=35&name=1519317763.png) AZURE EXPRESS ROUTE](https://www.tctg.co.uk/service/azure-express-route?hsLang=en-gb) ##### [![Data Storage Solutions icon](https://www.tctg.co.uk/hs-fs/hubfs/Website%20Images/icons/1519317750.png?height=35&name=1519317750.png) SIP PROVIDER](https://www.tctg.co.uk/service/sip-provider?hsLang=en-gb) ##### [![Data Storage Solutions icon](https://www.tctg.co.uk/hs-fs/hubfs/Website%20Images/icons/1519317731.png?height=35&name=1519317731.png) AWS DIRECT CONNECT](https://www.tctg.co.uk/service/aws-direct-connect?hsLang=en-gb) ##### [![Data Storage Solutions icon](https://www.tctg.co.uk/hs-fs/hubfs/Website%20Images/icons/1519317716.png?height=35&name=1519317716.png) BUSINESS TELEPHONE SYSTEMS](https://www.tctg.co.uk/service/business-telephone-systems?hsLang=en-gb) ##### [![Data Storage Solutions icon](https://www.tctg.co.uk/hs-fs/hubfs/Website%20Images/icons/1519317703.png?height=35&name=1519317703.png) VIDEO CONFERENCE INSTALLATIONS](https://www.tctg.co.uk/service/video-conference-installations?hsLang=en-gb) ##### [![Data Storage Solutions icon](https://www.tctg.co.uk/hs-fs/hubfs/Website%20Images/icons/1519317688.png?height=35&name=1519317688.png) MANAGED COMMUNICATION SERVICE](https://www.tctg.co.uk/service/managed-communication-service?hsLang=en-gb)