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

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Massive Cost Savings

Ditch line rental and cut calling costs with unlimited Ireland, UK, and USA landline calls all in one plan.

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Use Your Existing Phone System

If you already use an IP PBX or VoIP-compatible onsite phone system, SystemNet SIP Trunks integrate effortlessly.

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Keep Your Current Number

You don’t need to lose your business identity — we help you port and retain your existing business numbers.

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Enterprise Reliability with 99.9% Uptime

Hosted on secure Irish-based infrastructure, our SIP trunk service offers high availability and crystal-clear voice quality.

VoIP Phone System

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
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Industries That Rely on Our SIP Trunk Services

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Call Centres

High-volume, multi-channel calling? SIP Trunks are ideal for scaling without the cost of multiple phone lines.

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Corporate Offices

Businesses with hosted PBX or VoIP-compatible onsite phone systems benefit from better control and lower costs.

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Retail Stores

Enable in-store support, internal communication, and outbound service calls from a single SIP trunk setup.

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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
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Have Any Questions About The Packages?

If you have any questions about our products and services please don’t hesitate to contact us.

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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
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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.

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Keep your current phone numbers

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Hosted locally for top-tier uptime and clarity

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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.

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