Bring Your Own Carrier To Callroute

Centralize your carrier connections and distribute them across your phone systems. Connect any carrier from any country and build a connected telephony cloud for your organization.

Diagram showing multiple telecom carriers connected to the Callroute platform.
Diagram showing Callroute connecting telephone carriers to Microsoft Teams.

What Does “Bring Your Own Carrier” Mean?

Bring Your Own Carrier (BYOC) gives businesses the freedom to use their existing telephony provider with Callroute, rather than being forced to switch carriers.

By connecting your current carrier to Callroute, BYOC lets you retain your phone numbers, contracts, and call routing while modernising how calls are delivered to users.

This approach reduces cost and complexity, avoids unnecessary disruption, and gives organisations greater flexibility and control as they transition to a more agile, future-ready communications setup.

Why You Should Bring Your Own Carrier To Callroute

If you want to continue using your existing carriers, Callroute makes it easy. You can connect your existing carrier to Callroute using standard SIP trunks from any country. Callroute offers you complete flexibility on your number routing across all your telephone systems and carriers.

Cost Control

Connect your existing on-prem phone lines to Teams without changing your hardware

No Forced Migration

Continue to use your current PBX alongside Teams with integrated calling

Fast Implementation

Move users between your PBX & Teams keeping their current number & extension

Unified Management

Move users between your PBX & Teams keeping their current number & extension

How do you bring your carrier to Callroute?

  • 1
    Select your carrier from our list of connected carriers within the Callroute portal
  • 2
    Enter your carrier credentials to build a SIP Trunk between Callroute and your carrier in just a few minutes
  • 3
    Start managing your existing numbers and share them across your connected services
Video Cover Image, Bring your own carrier to Callroute.

Trusted By Businesses To Deliver Excellence

Gamma telecom carrier logo.
BT Global Services telecom carrier logo.
VOIP.MS telecom carrier logo.
Sipgate telecom carrier logo.
six degrees telecom carrier logo.
sipcall telecom carrier logo.
peoplefone telecom carrier logo.
Conn-x telecom carrier logo.
net2phone telecom carrier logo.
SIPPALS telecom carrier logo.

What Does it Cost

Bring your own SIP carrier and numbers to Callroute, Minimum of 100 users required.

Access to self service portal

Policy & persona management

Reporting & analytics

Available Globally

Bring your own SIP carrier

Customisable bundle

Number inventory management

Currency:

GBP
  • GBP
  • EUR
  • USD

No. Users:

£2.50 monthly per user

Use Cases

Retain existing carrier contracts

Keep your current carrier agreements, negotiated rates, and avoid termination fees while modernising your voice environment.

Centralise multi-carrier environments

Connect multiple regional or specialist carriers into one control layer. Standardise number management and routing without replacing local suppliers.

Maintain specialist or regulated connectivity

Retain mandated or country-specific carriers while modernising operations without compromising compliance or local requirements.

What Our Customers Say

“Overall very good. Its a simple product, easy to use. Company good to deal with, quick to respond to issues and knowledgeable support team.

Quick to assign numbers to users. Very easy to find either free unused number or those that are allocated and who to. Tagging system is useful for reporting.”

Toby

Head of Service Management in UK

Publishing, 1,001–5,000 Employees

“Overall, my experience with Callroute was solid. The platform offered strong integration capabilities and simplified several aspects of voice routing and number management. While there were areas that could be more intuitive, the core functionality was dependable and added value operationally.
What I liked most about Callroute was how seamlessly it integrates with existing communication platforms. It removes a lot of the complexity around voice routing and number management, which makes day‑to‑day operations much smoother.”

Verified Reviewer

Verified User

Insurance, 11–50 Employees

“A modern telephony integration provider without high costs.
Fantastic! Ease of initial implementation, ease of renewals of services a year down the road (annual payment plan saved a decent amount too). Very responsive team if any issues crop up.
A very easy company to do business with, who will tailor a solution to your needs and fit in with your budgets. Well priced solutions.”

Lawrence

IT Infrastructure Manager in UK

Pharmaceuticals, 51–200 Employees

“Our partnership with Callroute has always been outstanding. Communication is seamless, and they consistently demonstrate exceptional customer focus. They are not just a partner; they are a true enabler of global telephony uptime. Their support is exceptionally responsive and a pleasure to work with, even on the rare occasions it’s needed.”

Dave

Health, Wellness & Fitness, 1,001–5,000 Employees

Telephony Engineer in UK

Used the Software for: More than 2 years

“Happy user. Has been great. This makes it much easier to manage numbers. Ease of use and quick support when I have had any issues.”

James

Technical Specialist - Collaboration in US

Packaging & Containers, 10,000+ Employees

Used the Software for: Less than 6 months

“A fantastic experience. We are about 18 months into our journey with Callroute…and I highly recommend the solution and the…support and attention to detail.

Adam

Head of IT Security in UK

Environmental Services, 1,001–5,000 Employees

Used the Software for: Less than 2 years

“Very good product and a user friendly interface. Callroute product is simple and easy to configure with your own Microsoft tenant. I also like the simplicity of the Callroute app.”

Verified Reviewer

Insurance

11–50 Employees

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Frequently Asked Questions

Yes, you can try Callroute free with a 14-day trial. No credit card and no commitment required. Your trial includes:

  • 1x UK 0330 number
  • 1x single concurrent call limit
  • Connect up to 4 Microsoft Teams tenants
  • Explore all Callroute Teams Calling features
  • Explore all Orto Teams User Management features

To get started, book a guided setup session so we can tailor the trial to your requirements. All you need is an email address, which you’ll verify during setup.

If you are not using one of Callroute’s verified carriers then you will need to contact your provider in order to obtain your SIP trunk credentials. You will also need to pass them the Callroute connection details after you have created the SIP trunk connection so they can permit voice traffic from Callroute’s network.
Our verified carriers have been pre-validated on Callroute’s infrastructure and we have an active connection between us. You will need to contact the provider directly in order to redirect your inbound numbers to the SIP trunk connected to Callroute when you are ready to use the service.
We support both UDP and TCP SIP trunks without TLS encryption.
No. You can connect as many carriers to Callroute as you need.
These countries usually demand on-premises termination of phone lines. This requires an SBC or Voice Gateway on site that needs to be used to connect to the carrier. You can connect this SBC to Callroute to for the interconnect between gateway and your phone system, provided you can adhere to all the regulatory compliance in this area.

Book A demo

Join over 150,000 other users that use Callroute to stay connected, and manage their numbers and users more efficiently.