SIP trunking providers, Warrington, Manchester, Cheshire, London.

SIP trunking providers

SIP trunking and lines

Avandda Voice and Data are SIP trunking providers perfectly positioned to provide a cost-effective communications solution for your business.

Following BT’s announcement that they plan to cease all ISDN circuits by 2025, and with more than two million ISDN lines the UK already being replaced in the last 10 years, maybe now is the optimum time to consider the value in transferring your organisation over to SIP trunking. To help you with your deliberations, we have collated some of the most compelling business benefits that SIP service has to offer.

Experienced SIP trunking providers who give you:

  • A cost-effective way to communicate.
  • Reduced call costs.
  • Suitable and flexible systems for all.
  • Toll fraud protection.
  • Make the most of your existing network investment.
  • Reassurance that call quality will never be compromised.
  • Keep people connected.
  • Extensively tested (for your peace of mind).
  • Market your business with local numbers wherever you are.
  • Take your numbers with you wherever you move to.
  • Help and support available, whenever you need it.

Keeping operational costs to a minimum without having to compromise on quality is where our SIP services excel.  On average, we will reduce your line rental cost by more than 50% compared to ISDN lines.

SIP lines are completely scalable, allowing you to easily add and remove lines quickly and easily, so as your team evolves, your phone lines can too.

Avandda SIP trunking services can protect your organisation from the epidemic increase in TOLL fraud, costing UK businesses £millions each year.  Our SIP service includes measures to secure you from the potential exposure to significant and damaging loss at the hands of International fraudsters.

Want to know more? Read our blog for more information…

Contact Us

SIP trunking supplier, Warrington, Cheshire, Manchester, London.

What can SIP trunking do for me?


Avandda are SIP trunking providers that offer a highly-flexible alternative to traditional voice services (Analogue/ISDN) and are compatible with all the leading IP PBX brands in the UK market. Avandda SIP trunking can support connections ranging from a single channel for businesses with small telephone systems, to solutions with no limit on the number of channels, for larger enterprises and contact centres.

Cost effective

cost effective SIP trunking, Warrington, Cheshire, Manchester, CheshireSIP trunking providers allow you to keep costs down whilst increasing you telephone services flexibility and resilience. Connecting to our enterprise level network, means you can make calls to 01, 02, 03 and 07 numbers through our call bundle packages, meaning you benefit from a much cheaper rate or even free calls, which provides a significant saving when compared with traditional voice services.

If you are making long distance calls, services are also far more cost-effective when using SIP trunking, which means your business will save money when calling international numbers.

With our SIP solutions you get a service that is more robust and cost-effective than traditional voice services.

One size fits all

Having a communication system that’s adaptable to meet your needs is key to helping your business thrive. No matter the size of your company, whether a government organisation, a well-established large enterprise that deals with high call volumes, or a start-up beginning your business journey. SIP lines are completely scalable, allowing you to easily add and remove lines quickly and easily, so as your team evolves, your phone lines can too.

If you’re moving offices, you can also keep all of your existing geographic phone numbers regardless of where you’re moving to, without facing any of the hassle or costs associated with digital lines. If you’d like to find out more about a hassle-free business relocation, click here…

Business Continuity & Disaster Recovery

SIP trunking, SIP lines Warrington, Cheshire, Manchester, CheshireUnquestionably, keeping your organisation operationally available to receive incoming calls is one the most important factors when considering the capabilities of a business telephone system. Building effective BC and DR within an ISDN environment has always been prohibitively expensive and out of the reach of most UK businesses, leaving your organisation and your customer exposed to the limitations ISDN. Check out how SIP Call Manager can revolutionise your telephony…

At Avandda, we’re experts in our field and we love nothing more than helping clients to get the best possible performance from communications technology.  We include all of the benefits of SIP and SIP Call Manager as part of our converged voice & data packages, enabling you to consolidate all of your numbers into a single, fully resilient platform, enhancing your operation and allowing your communication to be better than ever before.

If you would like to learn more about how these services could be adapted best for your organisation, please get in touch with a member of our knowledgeable team today.

Euro Traveller Hotels

We have been involved with Euro Traveller Hotels for some years, continually developing their communication capabilities in line with evolving technologies. We originally took over their systems in Elephant and Castle, Old Kent Road and a new hotel in Harrow. We installed Samsung systems in each hotel, with just under 100 extensions in Harrow, thirty

Read more

Social housing group

The client – a local Social Housing Group. Avandda worked with a supported living temporary accommodation for vulnerable young people and families – a 24/7 managed facility.

Read more

Venue Cymru

See how Avandda helped Venue Cymru, the iconic theater in North Wales, to deliver efficiency and save money, by upgrading all lines from the traditional ISDN lines to SIP (VoIP) lines.

Read more

Why choose Avandda

High Performance – Our Business Telephone Solutions are ideal for companies that need to assure high-performance and eradicate lost, unanswered or engaged calls and the associated lost business opportunities.
Maximise productivity - Provide employees with reliable telephone solution for a better customer service experience so your business can perform at optimum levels of efficiency.
Nationwide Network - We have successful installations throughout the UK. We would be delighted to make an introduction to any of our clients to learn more about how we work and the results we deliver.
Cost saving – We offer a FREE billing analysis where we identify ways to cost-effectively streamline connectivity & upgrade the capability of your communication systems.
24/7 monitoring and helpdesk – Our sevices continuously monitored and supported to ensure consistency of services and immediate action where necessary.
Single Supplier – Reduce your supply chain management overhead and benefit from having just one supplier, one bill and a single point of contact.

Contact Us:

If you would like to learn more about how our Telephone Systems could be adapted best for your organisation, please CALL US NOW ON 0300 303 3668 or get in touch with a member of our knowledgeable team today.

Patrick Mee
Managing Director


Wayne Lester


Anas Saad
Development Manager


Get a Quote:

    Greater Manchester Chamber of Commerce. Member Software Advisory Service. Trusted Partner. iPECS - Authorised Reseller Samsung Wildex W-FEX Certified Wildex Partner Gamma Voiceflex