With the impending switch off of the public switched telephone network (PTSN) in 2025, SIP trunking is replacing all traditional ISDN lines.

truSIP is a wholesale business to business telecoms provider offering SIP trunks, call traffic, and associated services to the telecoms and IT channels.

Premium Bundle

5000 UK landline & Mobile calls, Unlimited call Recording (FCA compliant) 30 Days storage & Fraud protection

Pay As You Go

Competitive Rate Card, Optional Call Recording

DR Resilient Trunks

Includes 500 minutes per Trunk that rolls over until you need it

The Benefits of SIP Trunks

Session Initiation Protocol trunks provide several benefits over traditional telephone lines, including:


SIP trunks can be cheaper than traditional telephone lines, as they use the internet to transmit voice and data, eliminating the need for separate voice and data connections.


SIP trunks can be easily scaled up or down to meet the needs of a business, as they allow for the creation of virtual phone lines on demand.


With SIP trunks, inbound and outbound calls can be automatically rerouted in the event of a network failure, reducing the risk of dropped calls and improving reliability.


SIP trunks can be used with a variety of phone systems, including IP-PBXs (Internet Protocol private branch exchanges), hosted PBXs, and cloud-based phone systems.

Advanced features

SIP trunks can provide advanced features such as caller ID, call forwarding, and call waiting.

Business continuity

With SIP trunks, you can ensure that your business phone system is always on, even if your office is temporarily closed, this allow you to continue to receive and make calls remotely.

Cost-effective international calling

You can use SIP trunks to make international calls at a much lower cost than traditional telephone lines.

Our SIP Trunks Include

Our own secure UK national network is fundamental to everything we do, so we place great emphasis on its availability, reliability and quality.

  • 5000 UK landline and mobile minutes included or Pay as you go option
  • No trunk set up fees or contractual volumes
  • Encrypted call recording including 1 year unlimited storage. 2 & 7 Year storage options available
  • PCI Compliance (pause and resume)
  • Call Queueing including Wallboard
  • Dynamic Channel Allocation
  • Live statistics and reporting
  • Disaster Recovery Resilient Trunks
  • FQDN’s Supported
  • Fraud Management and Protection Cover
  • Interactive Voice Response (IVR)
  • Online portal for all ordering and billing
  • Number Manager
  • Partner logistics tool
  • Free partner branding

Call Queueing

Optimizes customer experience, efficiently managing incoming calls, reducing wait times, and enhancing overall call flow.

Call History and Recording

Efficient tracking, analysis, and storage of interactions, fostering improved customer service and compliance.

Stats and Reporting

Provide valuable insights into call metrics, facilitating data-driven decision-making and optimizing communication strategies.

Advanced Wallboard

Real-time call metrics, enhancing performance monitoring and overall communication management.

Fraud Management

Safeguards networks with robust security measures, detecting suspicious activities, and preventing unauthorized access.

Number Manager

Simplifies number allocation, streamlining management of inbound calls, routing, and enhancing telecommunication efficiency.

Why partner with truSIP

As a leading provider of SIP trunking solutions truSIP, delivers a powerful
solution for partners to access the latest features at competitive rates.

  • Global Multi-site multi-homed resilient network
  • Interoperability
  • One partner for everything
  • Simple transparent pricing
  • One all-inclusive feature rich SIP trunk solution
  • One online portal for all ordering, billing and number management
  • FREE partner branding

Want to know more about truSIP?

Contact the truSIP team to learn more about our SIP trunks and Cloud offerings: