STAC (Secure Telephony Adapter for Cloud)

A cloud telephony solution unlike any other, designed for Microsoft Teams and Zoom Phone.

STAC (Secure Telephony Adapter for Cloud) from Nuvias UC enables resellers to offer their customers a best-of-breed telephony service that is reliable, secure and cost-effective, and integrates with cloud communications services.

A cloud telephony solution

Our primary goal in delivering STAC – to ensure that all aspects of the service are easy for both the reseller and the end-user.

For resellers: the combined expertise of the parties that deliver the service provides certainty that you are offering a best-of-breed service that will complement the cloud communications services you offer to your customers.

For end-user businesses: you can have the peace of mind that the communications infrastructure is resilient and secure, and that you do not need any highly skilled communications engineers in order to maintain your service.

STAC is available to all our resell partners across Europe to enable you to offer the full end-to-end UC service. This is because Nuvias UC is working with AudioCodes, Oracle and market leading SIP providers to ensure we can deliver a reliable service across all major European countries and with availability of calling services across the world.

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Deal Registration

You can receive additional margin and deal protection by registering a STAC deal with Nuvias UC.

If have any questions, please email your account manager, or contact our team.


STAC is a fully managed service, meaning any service changes or additions can be implemented by the STAC technical team. Furthermore, we will ensure the ongoing operation of the service and will implement any required upgrades or fixes while focussing on availability and uptime for the end-users.

The SBC ensures the security of the service while also enabling connectivity between the cloud and the customers’ sites and providing an interworking point to ensure telephone calls can be placed and connected. These SBC’s operate in redundant pairs to ensure that STAC can deliver a highly reliable service even in the event of any unforeseen failure or outage.


A Unified Communications service, whether delivered from the cloud, on-premise, or a hybrid of the two, must include a telephony service.

Where previously the end-user would have to source their own communications links (or SIP* trunks) to connect to their on-premises IP PBX, the expansion of cloud communications services has led to the need to deliver this connectivity between the cloud and the various business locations.

STAC from Nuvias UC delivers a reliable, secure and cost-effective telephony service to integrate with your cloud communications services. STAC is available to all our resell partners to enable them to offer the full end-to-end UC service while being able to rely on the expertise of the Nuvias UC team to provide any required technical services, to remove the complexities, such as service and telephony billing, and allow them to focus on their customer.

video conference

Subscription Plans

Take advantage of predictable budget planning with per-user per-month pricing, along with other subscription-based options like IP phones, video and audio room conferencing, call recording and Meeting Insights to further enhance your experience and productivity. You can also add extra value to your service with periodic operation status reports.

To find out more about STAC as well as our other Cloud Solutions, please contact your account manager or call sales on 01635 225 000.

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Contact Us

For more information about STAC, please complete the form below, and one of the team will be in touch:

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