Genband Management Services Corp. is a U.S. corporate affiliate of GENBAND, the real-time communications software company founded in 1999 as General Bandwidth in Austin, Texas. GENBAND's principal place of business was Frisco/Plano, Texas; Delaware records and Florida foreign-corporation filings list Genband Management Services Corp. with a Plano/Frisco, Texas address and a 2012 registration date. GENBAND was privately held and venture-backed (roughly $550M raised, including from One Equity Partners) before its October 2017 merger of equals with Sonus Networks, which created the publicly traded Ribbon Communications Inc. (Nasdaq: RBBN). No separate headcount or revenue figures for the management-services entity are published.
Products / operations. GENBAND supplied real-time communications software and infrastructure to telecom carriers, cable operators and enterprises — session border controllers, softswitches/media gateways, VoIP and network-transformation platforms, and the Kandy communications-platform-as-a-service (CPaaS) offering acquired via Fring in 2013. Its technology came partly from its 2010 acquisition of Nortel's Carrier VoIP and Application Solutions (CVAS) business. This is an operating-business affiliate, not a shell licensor or patent-assertion entity.
Litigation posture. The tracked data shows one case, with the company as a defendant and zero plaintiff suits — consistent with an operating company (or its affiliate) being sued rather than asserting patents. The suit, Metaswitch Networks Ltd. v. Genband US LLC et al., was filed 2014-07-07 in the Eastern District of Texas, Marshall Division (Case 2:14-cv-00744), a venue known for patent filings. Genband answered and counterclaimed for infringement, making it a two-way litigant in that action despite the defendant-only tracked posture.
Notable context. The Metaswitch dispute was part of a broader Genband–Metaswitch patent war: Genband had earlier sued Metaswitch (2:14-cv-00033), a jury found non-infringement and invalidity on the asserted claims, and the case continued through injunction and appeal proceedings involving equitable defenses and the Nortel CVAS patents. Related trade-secret and antitrust actions followed, with Ribbon Communications (GENBAND's successor) reporting them in its SEC filings. The patents at issue cover voice-over-IP and network-interworking technology.