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List of the mainly electro mechanical switching systems from Hasler AG Bern, which were used in public telephone network in Switzerland for many decades. Hasler AG finally merged into Ascom in 1987. HS 25 (modified from the Ericsson OL-100 system with double relays and 25-point selector (Ericsson license), mainly used for small villages and ...
Avaya - acquired Nortel, networking business sold to Extreme Networks [2] AVM; Barracuda Networks; Brocade - acquired Vyatta, purchased by Broadcom [3] Billion Electric; Calix; Cisco Systems; Control4 - acquired by SnapAV; Cradlepoint - acquired by Ericsson; Dell - acquired Force10; Digi International; DrayTek; D-Link [4] ECI Telecom
Avaya sponsors the IAUG users' group [34] and training programs for IT professional certification in the use of Avaya's products. [35] Avaya provides business related equipment for its customers such as cameras, collaboration units, conference phones, headsets, IP phones, room systems, Vantage, and wireless handsets.
PSTN network topology is the switching network topology of a telephone network connected to the public switched telephone network (PSTN).. In the United States and Canada, the Bell System network topology was the switching system hierarchy implemented and operated from c. 1930 to the 1980s for the purpose of integrating the diverse array of local telephone companies and telephone numbering ...
Nortel T7316 Telephone, compatible with newer BCM and older Norstar systems. The Nortel Norstar, previously the Meridian Norstar, was a small and medium-sized business digital key telephone system introduced by Nortel (formerly Northern Telecom) and later sold to Avaya.
AT&T Merlin five-button telephone (voice terminal) manufactured in early 1980. AT&T Merlin is a corporate telephone system by American Telephone and Telegraph (AT&T) that was introduced in late 1983, when it was branded American Bell Merlin. After the breakup of AT&T in 1984, it was rebranded and later also supplied by Lucent and Avaya.
A suspect is in custody after a knife attack at Grand Central 42 Street subway station in New York injured two with neck and wrist slashes.
Business telephone systems are often broadly classified into key telephone systems and private branch exchanges, but many combinations (hybrid telephone systems) exist. A key telephone system was originally distinguished from a private branch exchange in that it did not require an operator or attendant at a switchboard to establish connections ...