Ribbon and Comporium Expand Partnership to Advance Voice Infrastructure Modernization

Ribbon Communications (Nasdaq:RBBN) announced an expanded partnership with Comporium to modernize Comporium’s voice infrastructure using Ribbon’s IP voice platform.

Rhea-AI Summary

Ribbon Communications (Nasdaq:RBBN) announced an expanded partnership with Comporium to modernize Comporium’s voice infrastructure using Ribbon’s IP voice platform.

Ribbon will deliver a complete network transformation solution, including the vC20 Call Controller and Application Server, targeting reduced footprint and power use versus legacy TDM and ATCA-based C20 systems.

Argus Jun 22 session

-2.73% close to close Open Argus

Details

News Market Reaction – RBBN

On Jun 22, the first trading day after this news, RBBN closed 2.73% below the previous close.

Data tracked by StockTitan Argus for the Jun 22 session.

Market Context

This announcement extends RBBN’s partnership track record, adding another carrier deploying its IP v...

Analysis

This announcement extends RBBN’s partnership track record, adding another carrier deploying its IP voice platform. With low short interest and recent equity-based insider compensation, follow-through on modernization milestones will be important to monitor.

Key Figures

Share price: $2.56 Market cap: $450,916,012 RSU grant: 250,000 RSUs +5 more

Share price

$2.56

RBBN pre-news level

Market cap

$450,916,012

RBBN equity value before this announcement

RSU grant

250,000 RSUs

EVP/COO Sam Bucci equity award, June 15, 2026

Performance RSUs

250,000 PSUs

EVP/COO Sam Bucci performance-based award

CFO RSUs

150,000 RSUs

CFO Eric Marmurek time-vested award on June 15, 2026

Director RSU grant

63,197 RSUs

Standard board grant per director on June 15, 2026

Short interest

5.22%

Reported as of settlement date 2026-05-29

Days to cover

2.56 days

Based on validated float and recent volume

Previous Partnership Reports

2 past events · Latest: May 14

Same Type 2 events

1. May 14

   Cloud partnership

   24h Move

   +1.1%

   Salesforce adoption of Ribbon cloud-native SBC and policy routing in public cloud.

2. Sep 03

   Optical network deal

   24h Move

   -0.3%

   NGN partnership using Apollo 800G to expand optical broadband capacity in Georgia.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

ip optical networking, application server, tdm, all-ip

4 terms

ip optical networking technical

"a global leader in real-time communications technology and IP optical networking solutions"

IP optical networking is the technology that carries internet-style data packets over high-capacity fiber-optic cables, combining the addressing and routing of internet traffic with the speed and distance of light-based transmission. Investors care because it underpins modern data services—like cloud computing, video streaming and 5G—so upgrades or bottlenecks affect a provider’s capacity, costs and ability to grow revenue, much like widening a highway lets more cars move faster and supports more business along the route.

application server technical

"a complete network transformation solution, including the vC20 Call Controller and Application Server"

An application server is the central computer software that runs an organization’s business programs, processes requests from users or other systems, and connects those programs to data and external services. Think of it as the kitchen in a restaurant: it prepares and coordinates orders so the front-of-house can serve customers; for investors, the server’s reliability, capacity and security directly affect a company’s uptime, customer experience, operating costs and operational risk.

tdm technical

"reductions in footprint and power consumption compared to legacy TDM infrastructure"

Therapeutic drug monitoring (TDM) is the regular measurement of a medicine’s level in a patient’s blood to ensure the dose is safe and working as intended. For investors, TDM matters because it can improve treatment success, reduce costly side effects, and strengthen regulatory approval and clinical adoption — like using a thermostat to keep a system within a safe, effective range.

all-ip technical

"prepare for future needs, such as the expected transition of service provider interconnect to all-IP in the USA"

A network design where all voice, video and data services run over Internet Protocol (IP) instead of separate legacy systems. Investors care because shifting to an all‑IP architecture often cuts operating costs, enables new services and revenue streams, and requires capital investment and transition risk—think of replacing a patchwork of landlines and special equipment with a single modern highway that carries everything more cheaply and flexibly.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Delivers scalable, future-ready IP voice platform

PLANO, Texas, June 18, 2026 /PRNewswire/ -- Ribbon Communications Inc. (Nasdaq: RBBN), a global leader in real-time communications technology and IP optical networking solutions, today announced that Comporium, a leading regional provider of broadband, voice, video and smart-home services, has selected Ribbon's state of the art technology to further modernize its voice infrastructure.

"Ribbon is a trusted partner in our modernization journey, and we're pleased to take this next step together to enhance the efficiency and scalability of our voice infrastructure," said Mike Deller, SVP of Engineering and Planning at Comporium. "This investment supports our continued transition to a modern cloud-based environment, and reinforces our commitment to delivering reliable, high-quality services to our customers." 

Ribbon is providing Comporium with a complete network transformation solution, including the vC20 Call Controller and Application Server. The solution is designed to enable significant reductions in footprint and power consumption compared to legacy TDM infrastructure and dedicated ATCA-based C20 hardware platforms. Ribbon's industry leading professional services teams are supporting implementation and optimization.

"This expansion underscores the strength of our long-term partnership with Comporium," said Elizabeth Page, Regional Senior Sales Director at Ribbon. "Our solutions are designed to help service providers modernize their networks, reduce operational complexity, and prepare for future needs, such as the expected transition of service provider interconnect to all-IP in the USA."

About Ribbon
Ribbon Communications (Nasdaq: RBBN) is a global provider of voice communications software, IP routing, and optical networking to mobile and wireline service providers, enterprises, critical infrastructure and defense sectors. We support our customers' Path to Autonomous Networks by leveraging the latest AIOps automation platforms and Agentic AI technologies, helping them deliver better customer experiences, reduce operational costs, and achieve sustainable growth. To learn more about Ribbon, visit rbbn.com.

Important Information Regarding Forward-Looking Statements  
The information in this release contains forward-looking statements regarding future events that involve risks and uncertainties. All statements other than statements of historical facts contained in this release, including those regarding the expected benefits from use of Ribbon Communication's products, are forward-looking statements. The actual results of Ribbon Communications may differ materially from those contemplated by the forward-looking statements. For further information regarding risks and uncertainties associated with Ribbon Communications' business, please refer to the "Risk Factors" section of Ribbon Communications' most recent annual or quarterly report filed with the SEC. Any forward-looking statements represent Ribbon Communications' views only as of the date on which such statement is made and should not be relied upon as representing Ribbon Communications' views as of any subsequent date. While Ribbon Communications may elect to update forward-looking statements at some point, Ribbon Communications specifically disclaims any obligation to do so.

Investor Contact 
+1 (978) 614-8050
ir@rbbn.com    

Media Contact
Catherine Berthier
+1 (646) 741-1974
cberthier@rbbn.com

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SOURCE Ribbon Communications Inc.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Ribbon Communications (Nasdaq:RBBN) announce about its partnership with Comporium on June 18, 2026?

Ribbon Communications announced an expansion of its partnership with Comporium to modernize Comporium’s voice infrastructure. According to Ribbon, Comporium selected its IP voice platform and services to enhance efficiency, scalability, and support a transition toward a modern cloud-based communications environment.

Which Ribbon solutions did Comporium select to modernize its voice infrastructure with RBBN technology?

Comporium selected Ribbon’s vC20 Call Controller and Application Server as part of a complete network transformation solution. According to Ribbon, this deployment targets significant reductions in network footprint and power consumption compared with legacy TDM and ATCA-based C20 hardware voice platforms.

How does the Comporium partnership expansion support Ribbon Communications’ (RBBN) cloud-based strategy?

The expanded partnership supports Ribbon’s focus on cloud-ready voice solutions by enabling Comporium’s move to a modern cloud-based environment. According to Ribbon, its technology and professional services aim to streamline operations and prepare networks for future all-IP interconnect requirements in the United States.

What benefits does Comporium expect from Ribbon’s vC20 solution and IP voice platform?

Comporium expects improved efficiency, scalability, and reliability in its voice infrastructure from Ribbon’s vC20-based solution. According to Comporium, the investment supports its transition to cloud-based services and is designed to reduce operational complexity, physical footprint, and power consumption versus its legacy TDM systems.

How might the expanded Comporium agreement affect Ribbon Communications (RBBN) network modernization business?

The agreement highlights customer adoption of Ribbon’s network modernization solutions but does not disclose financial terms. According to Ribbon, the expansion underscores the strength of its long-term partnership with Comporium and showcases its role in supporting service provider migrations to all-IP voice interconnects.