Summa Four
Encyclopedia
Summa Four was a "dumb switch" telecommunications company based in Manchester, New Hampshire
. It was acquired by Cisco Systems
on July 28, 1998.
Cisco Systems
sold mainly the VCO/4K Open Programmable Switch line, finally announced the end of sales for the VCO/4K Open Programmable Switch as of March 1, 2002.
Cisco has entered into an agreement with Compro Technologies Inc.,a New Jersey, United States-based telephony application developer and services company, to offer worldwide support for this product line.
Manchester, New Hampshire
Manchester is the largest city in the U.S. state of New Hampshire, the tenth largest city in New England, and the largest city in northern New England, an area comprising the states of Maine, New Hampshire, and Vermont. It is in Hillsborough County along the banks of the Merrimack River, which...
. It was acquired by Cisco Systems
Cisco Systems
Cisco Systems, Inc. is an American multinational corporation headquartered in San Jose, California, United States, that designs and sells consumer electronics, networking, voice, and communications technology and services. Cisco has more than 70,000 employees and annual revenue of US$...
on July 28, 1998.
Cisco Systems
Cisco Systems
Cisco Systems, Inc. is an American multinational corporation headquartered in San Jose, California, United States, that designs and sells consumer electronics, networking, voice, and communications technology and services. Cisco has more than 70,000 employees and annual revenue of US$...
sold mainly the VCO/4K Open Programmable Switch line, finally announced the end of sales for the VCO/4K Open Programmable Switch as of March 1, 2002.
Cisco has entered into an agreement with Compro Technologies Inc.,a New Jersey, United States-based telephony application developer and services company, to offer worldwide support for this product line.