SIP Trunks are the current leading type of voice connection to the outside world for premises-based phone systems.
In recent years, SIP Trunks have overtaken ISDN as the most common connection.
ISDN has been around since the early 1990’s and will be no longer sold in 2020.
Indeed, in 2025, BT Openreach will retire all ISDN connections meaning that all connections will need to migrate away from ISDN to either SIP or a Hosted Phone System.
So if you still use ISDN you will need to change. Telecoms has changed!
SIP Trunks versus ISDN.
SIP trunks are cheaper to rent than ISDN.
SIP trunks make geography irrelevant.
You can scale up and down instantly.
You can build in auto-failover and diverts – great for Disaster Recovery and Business Continuity.
Calls to UK Landlines and UK Mobiles are normally FREE. International calls are also cheaper.
You don’t pay for Caller ID or Direct Dial rentals.
You can use any phone number in the world (in and out).
SIP Trunking Basics.
What does a SIP Trunk look like?
Basically, we tell your premises based phone system to connect to a pre-authenticated IP address at the SIP Trunk Provider.
The connection is made and calls can then be made and received.
The prices you pay for rentals, calls and so on are pre-agreed and you get a monthly bill just like you would with ISDN.
It is extremely important to use SIP trunks in a secure way otherwise you open up your network to security risks including Denial Of Service Attacks – we can advise how to do this.
Note your phone system must have been tested with your SIP trunk provider of choice.
SIP offers much better Business Continuity than ISDN.
Watch the video on ‘Active Standby’ in this page.
If there is a problem (say a hardware failure), calls can automatically be sent to another site or another endpoint on the same site.
This means the chances of you losing calls and not being able to function are made very small indeed.
Much better than ISDN.
You can also bolt on extra features onto your SIP trunk using our optional SIP Trunk Call Manager.
SIP Trunk Call Manager allows you web access to your own portal from where you can control your SIP trunks including:
1 – Instant divert or re-routing of numbers
2 – Time and day of week routing plus date routing (for bank holidays)
3 – Reporting and call management information
4 – Email alerts of missed calls
5 – One touch Business Continuity
6 – Hunt Groups and Call Distribution
7 – Queuing and announcements
8 – Voicemail
9 – Advanced Stats and reporting
10 – Management by Smartphone app
For a free consultation on SIP trunks, please complete the form here
SIP Trunk Prices
Every supplier has a different way of charging for SIP trunks.
We are quite simple.
We charge a small activation charge and SIP Trunking rentals are £ 9.99 per month per SIP channel although we may vary this charge depending on your requirements.
This includes Free UK calls to UK Landlines and UK Mobiles and VERY competitive international calls – please ask for prices as they vary from time to time.
Kent, Sussex and London – Our Coverage Area
That’s right – we are never far away from our customers so we can react fast when you need us.
Plus we have maintenance stock nearby when needed.
We don’t stretch ourselves to maximise profits at the expense of service excellence.
We stress again – our focus is on IT and Telecoms support including Phone Systems for Small Business in Kent, Sussex and London.
Regarding SIP Trunking, our SIP Trunks are from Gamma – the UK Market leaders.
This is why you should consider tecwork for your Telecoms and IT.
Experts in IT and Telecoms since 1994.
Benefit to you – you get expert help from specialists meaning you get excellent expertise and the right solution for you. Compare that to other experts and we are confident we will impress you. We have been told that many times by customers. See customer quote below:
“We look forward to working with you and your team Nick. You guys stood out in the tender process and we are excited to be working with you.” – Chris Sills, Sales Director – SOS Systems.
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We are using the tools in our business that we install for customers. Everything is bespoke as no 2 organisations are the same.
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Reliable, friendly and good people to work with
Benefit to you – you get to fall in love again with your phones and computers – you can rely on us doing what we say we are going to do and not worry about IT and Telecoms issues affecting your staff and organisation
Trusted by 1000’s of organisations since 1994.
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Partners with global leaders like AVAYA, Gamma, Microsoft and Mitel
Benefit to you – you get proven solutions without the risk of niche products – tried, tested, market-leading products.
Helpdesk and ticketing system with a 10 minute response
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No risk money back guarantee
Benefit to you – complete peace of mind that you have not wasted money on a supplier or solution that doesn’t do what you expected
Everything billed on a single monthly bill with one point of contact
Benefit to you – simplicity – no more dealing with multiple suppliers and multiple bills
Director has been the recipient of 2 local Service Excellence awards
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ZERO Customer Attrition since we started
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Deliberate FOCUS on the customer journey….looking after the ‘little things that make the difference’
Benefit to you – getting something extra from your supplier makes all the difference – you are getting real value and return on investment.
Contact us and you will be dealing with one of the most experienced IT and Telecoms Providers in Kent, Sussex and London
Experts in everything Voice, VoIP, Cloud and Technology since 1998 and your natural choice for Managed IT Services!