Ian S. Ferguson

Metaswitch Networks Ltd. is a holding company, which engages in the development of systems management and networking software solutions. The firm specializes in the design of networking, session border control, infrastructure, management tools, and application development systems. Its solution areas encompass Internet protocol multimedia subsystems, telephony, original equipment manufacturing, and hosted business services. The company was founded by Ian S. Ferguson and Christopher John Mairs in 1981 and is headquartered in Enfield, the United Kingdom.

MetaSwitch Ltd. delivers telephony switching products and commercial applications for packet and circuit-switched networks. . The company was founded in 1981 and is headquartered in Enfield, the United Kingdom.

Metaswitch Networks Corp. provides communications networks and services. The company was founded in 1981 and is headquartered in San Francisco, CA.

International Business Machines Ltd. manufactures various computer products through the use of advanced information technology. The company is headquartered in Hampshire, the United Kingdom.