Connect Webex Calling To The PSTN Your Way With Your Carrier Or Ours

Use our cloud-native platform to connect Webex Calling to your PSTN provider, or port your numbers and we’ll handle everything.

Whether you’re fully committed to Cisco or navigating a multi-platform environment, Callroute gives you complete flexibility.

Diagram showing Webex calling connected and activated.

Flexible PSTN Connectivity For Webex

Callroute seamlessly integrates with Webex Calling to provide direct PSTN access using your existing carriers or through Callroute’s fully managed voice service.

Avoid complex SBCs, simplify provisioning, and control your voice strategy from a single pane of glass.

Leverages AWS hosted Cisco Cube SBCs

Use Callroute PSTN or bring your own

Intelligent call routing and failover

Centralized number & location management

Diagram showing Webex calling integration options.

How Callroute Connects To Webex Calling

Callroute leverages Cisco’s Premises-based PSTN (formerly Local Gateway) method to offer two powerful deployment options:

  • Bring your own PSTN – Register your SIP trunks to Callroute and route outbound/inbound calls via your own carrier agreements.
  • Use Callroute as your carrier: Port numbers to us for simplified billing and support.

The Benefits

100% Cloud-Native

Our platform is fully hosted, redundant, & built for scale. Great for enterprises & partners.

Keep Your Carrier Or Use Ours

Bring your SIP trunks & PSTN contracts, or port numbers & use our global carrier services.

Built-In Resilience

Get enterprise-grade uptime with dynamic failover. No maintenance burdens.

Smart Number Management

Import, assign, & manage DIDs in one platform. Eliminate spreadsheets & manual workflows.

Choose The Model That Fits Your Business

For Enterprises

Integrate with your existing Cisco environment, simplify operations, and scale voice globally with minimal overhead.

For MSPS

Expand your Webex Calling services. Deliver PSTN with your own carrier or leverage Callroute’s, all white-labelled and multi-tenant ready.

Webex Calling Pricing

Our Webex Calling pricing is in GBP. If you are an international customer, click here.

Webex Calling BYOL

Bring your own Webex license

£5.95 per user per month

  • Inclusive DDI per user
  • 500 domestic mins (01, 02, 03 & mobiles) per user inclusive
  • No set up fees (excludes number porting)
  • Combine with Teams Calling other voice services
  • Add call recording for an additional £4.95
  • 12 month contract

Webex Calling PRO

Inclusive of Webex Calling PRO license

£16.95 per user per month

  • Inclusive DDI per user
  • 500 domestic mins (01, 02, 03 & mobiles) per user inclusive
  • No set up fees (excludes number porting)
  • Access to detailed reporting
  • Combine with Teams Calling other voice services
  • Add call recording for an additional £4.95
  • 12 month contract

Use Cases

Cloud migration from legacy PBX

Move from on-prem PBXs to Webex

Calling without disrupting numbering or

carrier relationships. Modernise voice

while maintaining control over routing

and number strategy.

Global cloud standardisation

Deploy Webex Calling globally while choosing the right connectivity model per region — Callroute as your carrier, BYOC, or a combination of both — without compromising consistency or control.

Hybrid voice environments

Run Webex Calling alongside existing PBXs, SIP devices or contact centres. Transition at your own pace without ripand-replace projects.a

What Our Customers Say

  • “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

  • “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

  • “Finding CallRoute is possibly the best thing that’s happened for our telco platform. They’ve provided us with administrative and reporting capabilities that nobody else would. They’ve remained extremely flexible, allowing for outside the box thinking and customizations delivered faster than anyone would expect. We intend to stick with CallRoute for the long haul. Highly flexible, extremely attentive to requests and needs, support staff absolutely beyond compare.”

    Russ

    Telephony Architect in US

    Mechanical or Industrial Engineering, 10,000+ Employees

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Frequently Asked Questions

Webex Calling is Cisco’s enterprise-grade cloud-based phone system that enables business calling via the Webex App or supported devices, replacing on-premises PBX infrastructure with scalable, secure VoIP calling. It integrates seamlessly with Webex messaging and meetings tools.

Webex Calling with Callroute lets you connect Cisco’s cloud phone system directly to the PSTN using our cloud-native platform. You can bring your own carrier or port numbers to Callroute, and we’ll handle the process end-to-end, giving you complete flexibility and simplicity.

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.

Callroute uses the Cisco-supported Local Gateway option to integrate Webex Calling with the PSTN. Our network hosts a multi-tenant Cisco CUBE, and the connection is established through automated setup via Callroute, giving you a fully supported, best-practice way to enable PSTN access without any on-premises equipment.
Yes. Callroute manages the full number porting process for you. Whether you’re migrating a few numbers or thousands across multiple regions, we handle the technical and administrative steps so you can focus on your users.
No, Callroute will become your PSTN provider, where numerous calling plans are available to choose from.
Yes. If your business uses both Webex Calling and Microsoft Teams (or other platforms), Callroute allows you to integrate them seamlessly. That means calls flow smoothly across platforms, so users don’t feel the pain of working in siloed systems.
Any business using Webex Calling that wishes to have access to competitive calling rates, phone number management and powerful reporting.
Yes. Callroute has a library of supported carriers. Please contact us for more details.
If your technical preference is the Cisco-supported Local Gateway method, we already have the infrastructure in place with our hosted multi-tenant Cisco CUBE. This means you can connect quickly without additional setup.
Yes. Callroute is ideal for hybrid environments. You can port your numbers into Callroute and then choose where to direct them, for example, some to your existing on-premise PBX and others to Webex. This gives you the flexibility to migrate to Webex at your own pace or remain in a long-term hybrid setup if that best fits your needs.
Yes. Callroute can provide Webex Calling in multiple countries. However, availability is always subject to local telecommunications regulations in the country where you need service. Please contact us for details specific to your region.

In the UK, Webex Calling with Callroute is typically priced as follows:

  • Phone numbers: £1 per number, per month
  • Users: £1 – £2.50 per user, per month (volume dependent)
  • Channel (session) licences: £4.95 per channel, per month (these relate to Cisco CUBE capacity and determine how many concurrent calls you can handle)

We also offer custom bundles tailored to your business needs, which may reduce overall costs.

For pricing in other regions, or to discuss a tailored bundle, please contact us.

Book A demo

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