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  2. List of architecture firms - Wikipedia

    en.wikipedia.org/wiki/List_of_architecture_firms

    The following is a list of architectural firms. It includes notable worldwide examples of architecture firms , companies, practices, partnerships, etc. This is a dynamic list and may never be able to satisfy particular standards for completeness.

  3. Public switched telephone network - Wikipedia

    en.wikipedia.org/wiki/Public_switched_telephone...

    The PSTN consists of telephone lines, fiber-optic cables, microwave transmission links, cellular networks, communications satellites, and undersea telephone cables interconnected by switching centers, such as central offices, network tandems, and international gateways, which allow telephone users to communicate with each other.

  4. PSTN network topology - Wikipedia

    en.wikipedia.org/wiki/PSTN_network_topology

    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 ...

  5. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    OCB-283 - Another name for more modern versions of E10B and often the name used in India to distinguish it from older versions. E10-MT formerly Thomson MT-25 found mostly in France, and MT20 too. E10-Five E10B adapted for the North American environment as a class-5 switch. E10S satellite switching unit.

  6. Foreign Office Architects - Wikipedia

    en.wikipedia.org/wiki/Foreign_Office_Architects

    Foreign Office Architects, FOA, [1] was an architectural design studio headed by former husband and wife team Farshid Moussavi and Alejandro Zaera-Polo.The London-based studio, which was established in 1993, specialised in architectural design, master planning and interior design services for both public and private sector clients.

  7. Telephone exchange - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange

    There are two major types in the Public switched telephone network (PSTN), the Class 4 telephone switches designed for toll or switch-to-switch connections, and the Class 5 telephone switches or subscriber switches, which manage connections from subscriber telephones. Since the 1990s, hybrid Class 4/5 switching systems that serve both functions ...

  8. Category:Architecture firms of the United States - Wikipedia

    en.wikipedia.org/wiki/Category:Architecture...

    Blank Studio Architecture; C. Central Design Office, Ames; Corgan (company) Croft & Boerner; D. Daniell & Beutell; E. EDSA (company) Ehrenkrantz Eckstut & Kuhn ...

  9. List of American architects - Wikipedia

    en.wikipedia.org/wiki/List_of_American_architects

    This list of American architects includes notable architects and architecture firms with a strong connection to the United States (i.e., born in the United States, located in the United States or known primarily for their work in the United States).