Cloud Connect for Webex Calling lets you add high-quality PSTN calling to your existing Webex environment without new hardware or multiple contracts. Instantly access inbound and outbound PSTN calling in 65+ countries with Sinch’s global voice network. Keep your Webex Calling voice services running smoothly with geo-diverse architecture and proven uptime trusted by leading global enterprises.
With Cloud Connect for Webex Calling, our numbers come with all the enterprise-grade features you need.
Cloud calling the way it should be. Affordable, high-quality, and with all the features you and your customers need.

Become a Cloud Connect for Webex Calling partner for cloud calling on a quality voice network.
Cloud Connect for Webex Calling is a solution from Sinch that powers global PSTN calling within Webex Calling, using Sinch’s enterprise-grade voice network.
BYOC allows you to select a certified third-party provider like Sinch to provide PSTN services (inbound/outbound calling) for your Webex environment, rather than being limited to Cisco’s bundled calling plans.
No. With Sinch’s Cloud Connect integration, you eliminate the need for local PSTN gateways or Session Border Controllers (SBCs), creating a fully cloud-based communication solution.
Yes. Sinch offers managed number porting services to smoothly migrate your existing business phone numbers from your old provider to our network for use in Webex Calling.
Connect your Webex Calling tenant to Sinch, configure or port numbers in Webex Control Hub, and start making and receiving PSTN calls, typically within days.
You need an active Cisco Webex Calling subscription and the appropriate licensing to use the BYOC feature in your tenant.
Pricing is usage-based, with per-minute outbound rates and monthly charges for DIDs. Bundles are available for high-usage commitments.