Say Goodbye to Traditional Phone Lines & Switch to a Smarter SIP Trunk Solution
Top-Rated SIP Trunk Provider in Ireland
Make your business communication simpler, smarter, and more affordable with SystemNet’s SIP Trunking service. Whether you’re running a call centre or a multi-site office, we provide scalable and reliable SIP trunks that eliminate the cost and limitations of traditional phone lines.
Cut Business Communication Costs and Reduce Bills
SIP Trunking is the Best Solution
SIP trunking allows your VoIP-enabled phone system to make and receive calls using the internet, not physical phone lines. Imagine it like Wi-Fi for calls: just as a laptop connects to the internet without wires, your existing phone system connects to the world via a SIP trunk. With SystemNet SIP Trunking, there’s no need to change your hardware, no downtime, and no costly line rental.
*If you have an existing VoIP enabled phone system, you can make huge savings by switching to SystemNet’s VoIP SIP Trunk service.
SystemNet’s SIP Trunk Packages
€25
per month
2 Voice Channels
Unlimited Ireland Landline Calls
Unlimited UK Landline Calls
Unlimited USA Landline Calls
Low Cost Mobile Calls (Bundles available)
Keep Your Existing Number
€49
per month
4 Voice Channels
Unlimited Ireland Landline Calls
Unlimited UK Landline Calls
Unlimited USA Landline Calls
Low Cost Mobile Calls (Bundles available)
Keep Your Existing Number
€79
per month
8 Voice Channels
Unlimited Ireland Landline Calls
Unlimited UK Landline Calls
Unlimited USA Landline Calls
Low Cost Mobile Calls (Bundles available)
Keep Your Existing Number
€119
per month
16 Voice Channels
Unlimited Ireland Landline Calls
Unlimited UK Landline Calls
Unlimited USA Landline Calls
Low Cost Mobile Calls (Bundles available)
Keep Your Existing Number
* Subject to PBX/Phone system compatibility. Unlimited calls are subject to our fair usage policy. All prices exclude VAT. T&C Apply.
Benefits of Switching from ISDN to SystemNet SIP Trunk
Massive Cost Savings
Ditch line rental and cut calling costs with unlimited Ireland, UK, and USA landline calls all in one plan.
Use Your Existing Phone System
If you already use an IP PBX or VoIP-compatible onsite phone system, SystemNet SIP Trunks integrate effortlessly.
Keep Your Current Number
You don’t need to lose your business identity — we help you port and retain your existing business numbers.
Enterprise Reliability with 99.9% Uptime
Hosted on secure Irish-based infrastructure, our SIP trunk service offers high availability and crystal-clear voice quality.
Compare to eir
| Provider/Line Type | Number of Lines/Channels | Cost Per Month | + Landline Calls | + Mobile Calls |
| eir Analogue PSTN | 4 | €83.84 | Standard Rates | Standard Rates |
| eir Basic Rate ISDN | 4 | €65.02 | Standard Rates | Standard Rates |
| SystemNet SIP Trunks | 4 | €49 | Included | Low Cost |
| Provider/Line Type | Number of Lines/Channels | Cost Per Month | + Landline Calls | + Mobile Calls |
| eir Analogue PSTN | 8 | €167.68 | Standard Rates | Standard Rates |
| eir Basic Rate ISDN | 8 | €130.04 | Standard Rates | Standard Rates |
| SystemNet SIP Trunks | 8 | €79 | Included | Low Cost |
| Provider/Line Type | Number of Lines/Channels | Cost Per Month | + Landline Calls | + Mobile Calls |
| eir Analogue PSTN | 16 | €335.36 | Standard Rates | Standard Rates |
| eir Fractional ISDN | 16 | €166.50 | Standard Rates | Standard Rates |
| SystemNet SIP Trunks | 16 | €119 | Included | Low Cost |
Industries That Rely on Our SIP Trunk Services
Call Centres
High-volume, multi-channel calling? SIP Trunks are ideal for scaling without the cost of multiple phone lines.
Corporate Offices
Businesses with hosted PBX or VoIP-compatible onsite phone systems benefit from better control and lower costs.
Retail Stores
Enable in-store support, internal communication, and outbound service calls from a single SIP trunk setup.
Hotels and Hospitality
Easily manage guest room calling, reception, and service lines with flexible SIP trunk configurations.
Get Started Without Any Complicated Setup
What You Need to Start Using SIP Trunking
- A VoIP-compatible onsite phone system or hosted PBX
- A stable internet connection
- Ability to assign or port your existing phone number
- Knowledge of how many SIP channels you require
Have Any Questions About The Packages?
If you have any questions about our products and services please don’t hesitate to contact us.
Seamless Integration with Your Existing Phone System
How It Will Work
- We evaluate your current phone system compatibility
- We will help you choose a SIP Trunk package based on your voice channel needs
- We configure your SIP Trunk and test for quality
- Port your current number(s) without downtime
- You start making & receiving calls instantly
- Scale up anytime as your business grows
The Smarter Alternative to Traditional Phone Lines
Why Choose SystemNet for SIP Trunk Architecture?
-
Choose SystemNet for reliable SIP trunking, trusted by Irish businesses for secure, scalable Cloud-Based Telephone Systems and hosted PBX solutions.
- Irish-Based Support: Local team, local servers, faster help
- Flexible Plans: Start from 2 channels and upgrade as needed
- Fully Transparent Pricing: No hidden charges, just real savings
- Trusted by Irish Businesses: Serving SMEs and large organisations alike
The Smarter Alternative to Traditional Phone Lines
Switch from PSTN and ISDN without disruption, delays, or downtime.
- ISDN / PSTN lines that are expensive and rigid
- Legacy phone solutions that charge per user or line
- On-site phone systems that already use IP PBX or VoIP
Ready to Make the Switch?
Choose SystemNet, Ireland’s trusted SIP Trunk provider for small to large businesses.
Whether you’re running a high-volume call centre or a growing team across locations, we’ll help you scale smarter, not costlier.
Keep your current phone numbers
Hosted locally for top-tier uptime and clarity
Frequently Asked Questions
What does SIP Trunk mean?
A SIP trunk is a virtual phone line that uses your internet connection instead of physical wires.
Can I keep my existing number?
Yes. We’ll help you port your current number with no disruption.
Do I need to change my current PBX?
No, if your phone system already uses IP or VoIP, our SIP trunks will work with it.
Is this suitable for remote teams?
Absolutely. Our SIP trunks work with cloud-hosted or hybrid PBX setups.
How much setup time is needed?
Setup typically takes less than 48 hours from plan selection and porting approval.
How does SIP trunking work with my hosted PBX?
It connects directly to your PBX via the internet — no physical lines needed.
You may have heard of us before
Don’t take our word for it. Take theirs…
“SystemNet recently installed a new phone system for us in all our branches. The process of switching lines over was seamless. We are delighted with the functionality of our new system. Call quality is excellent, and the aftercare service we receive is exemplary. Our Telecom costs have dropped significantly, and that's a real bonus when other utilities have become so expensive. I highly recommend Martin and the SystemNet Team”
Mark Ellis, Managing Director, Mark Ellis Pharmacy, www.markellispharmacy.ie
From the initial quotation to installation of our IP Phone System – SystemNet dealt with our many questions every step of the way, delivering on schedule and with zero down time. They made the transition easy, the end result has exceeded our expectations.
Peter Fitzpatrick - IT Manager, The Iveagh Trust www.theiveaghtrust.ie
We recently contracted SystemNet to perform a complete overhaul of our network infrastructure and install a new VOIP telephone system. They are highly professional yet affable and friendly to deal with, the standard of their work cannot be faulted. In addition, they offered excellent value for money and I would not hesitate to recommend them.
John Byrne - IT Manager, Glenbeigh Construction www.gcon.ie
I would have no hesitation in recommending Systemnet for your cloud based telephones. From our initial consultation, right through to installation and after sales service, the whole team have been a pleasure to deal with. Martin and the team took all of the stress out of changing systems and have been extremely helpful every step of the way.
Kevin Grant - Director, The Green Office www.greenoffice.ie
Hi Martin, Thank you very much for the prompt and helpful resolution of our phone system issue today. I am so glad that we decided to do business with your company. You are a team of professional and kind people, and it is obvious that you are interested in the work that you do. We will certainly recommend you to other organisations who may need support with their phone and broadband systems! Please do pass on our appreciation to your staff. Especially John and Richie have maintained our faith in humanity amidst the many disasters with other companies! Kind regards, Rosalinde
Rosalinde Schut - Head of Operations, Care After Prison www.careafterprison.ie
SystemNet has looked after our network infrastructure for over 10 years. In that time I have found them to be very professional, reliable and friendly. The guys respond very quickly and go above and beyond to help.
Peter Duffy - IT Manager, Becton Dickinson and Company www.bd.com
Staff have found the new system intuitive and easy to use compared to the previous system. SystemNet responds quickly to any issues or requests we have remotely without having to call to site.
Christina Harford - Central Services Manager, G4S Facilities Management Case Study: Criminal Courts of Justice