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  2. Business telephone system - Wikipedia

    en.wikipedia.org/wiki/Business_telephone_system

    Additionally, many telecommunications providers now offer hosted PBX systems where the provider actually hosts the PBX and the phone handsets are connected to it through an internet connection. Open source projects have provided PBX-style features since the 1990s. These projects provide flexibility, features, and programmability.

  3. Talk:Business telephone system - Wikipedia

    en.wikipedia.org/wiki/Talk:Business_telephone_system

    7. Syntel Telecom Syntel is telecom division of well known company Arbind Mills Limited. They have been manufacturing smaller EPABX machines and sold many EPABX to Indian Army. They have tied up with NEC for high end PBX systems. — Preceding unsigned comment added by Karthikpspl (talk • contribs) 14:26, 8 July 2012 (UTC)

  4. List of telecommunications terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_telecommunications...

    This is a List of telecommunications terminology and acronyms which relate to telecommunications. C. Coded ...

  5. IP PBX - Wikipedia

    en.wikipedia.org/wiki/IP_PBX

    An IP PBX ("Internet Protocol private branch exchange") is a system that connects telephone extensions to the public switched telephone network (PSTN) and provides internal communication for a business.

  6. Session Initiation Protocol - Wikipedia

    en.wikipedia.org/wiki/Session_Initiation_Protocol

    A transaction is a state of a session, which is controlled by various timers. Client transactions send requests and server transactions respond to those requests with one or more responses. The responses may include provisional responses with a response code in the form 1xx, and one or multiple final responses (2xx – 6xx).

  7. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    EMS-1 (The ITEC Electronic Modular Switch is an electronic direct control switching system. The modules are combined to form a complete switch or any of the modules can be added to your present Step-by-Step Systems.) EMS-2 (The EMS-2 RURAL SWITCH is a stored program control analog switch designed to be cost-effective in small exchanges.

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Mitel - Wikipedia

    en.wikipedia.org/wiki/Mitel

    Mitel Networks Corporation is a Canadian telecommunications company. The company previously produced TDM PBX systems and applications, but after a change in ownership in 2001, now focuses almost entirely on Voice-over-IP (VoIP), unified communications, collaboration and contact center products. [2]