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COMsolve and NetNumber Team Up to Deliver a Cloud Based STIR/SHAKEN Solution for the Canadian Market

NetNumber's Guaranteed Caller seeks to end fraudulent and nuisance calls.


Richmond Hill, Ontario — September 22, 2020 — COMsolve today announced that it has entered into an agreement to partner with NetNumber to resell its Guaranteed Caller, cloud-based STIR/SHAKEN security solutions, to Tier 2 and Tier 3 carriers operating in Canada.

“We are delighted to partner with NetNumber to bring its innovative and leading-edge Guaranteed Caller solutions to the Canadian market,” said Ofir Smadja, Founder and CEO of COMsolve. “With our extended reach and deep understanding of the Telecom sector over many years, we are uniquely positioned to bring Guaranteed Caller to the Canadian market, and offer these unparalleled solutions to carriers, TSP and enterprises.”

“NetNumber is thrilled to be partnering with COMsolve to offer our industry leading Guaranteed Caller Solution, which has the flexibility of being a Cloud-Based service or deployed on premise,” said Matt Rosenberg, Chief Revenue Officer for NetNumber. “The blend of COMsolve’s telecom expertise and respected position within the CSPs in Canada, along with NetNumber’s proven security solutions, provides the Canadian market with a leading, end-to-end, solution that address the ongoing security concerns in industry.”

NetNumber’s Guaranteed Caller family of standards-compliant STIR/SHAKEN solutions is the most comprehensive in the industry. STIR/SHAKEN allows communication service providers (CSPs) to digitally sign calls from known trusted callers in a way that cannot be tampered with, as the calls flow through the network. Guaranteed Caller extends the company’s previous solutions to address all commonly known trusted-call scenarios, enabling legitimate callers to participate in the STIR/SHAKEN trust network while locking out fraudulent callers.

About COMsolve

Since 2006, COMsolve has been providing leading-edge solutions and outstanding services to some of the largest communications companies in Canada and the USA. As a market leader, COMsolve specializes in professional services for carriers, service providers and enterprises. Our wealth of experience in Telecom technologies and regulatory affairs, enables us to bridge between technical knowledge and business implementation. Visit for more information.

About NetNumber

NetNumber, Inc. brings twenty years of experience delivering innovative signaling control solutions that enable carriers to accelerate implementation of new services across multiple generations of networks, while dramatically simplifying the core network and reducing operating costs. Today, we are the leading provider of Centralized Signaling and Routing Control (CSRC) solutions to the global communications industry. Visit for more information.


Contact Information

COMsolve Inc.

Deirdre Massiah-Gomes

+1 (416) 684 3070


Jim Gayton

+1 (978) 609 7726



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