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  2. Business telephone system - Wikipedia

    en.wikipedia.org/wiki/Business_telephone_system

    Early-1970s Telephone Exchange model TESLA Automatic system Early model 464G Western Electric key telephone set. A business telephone system is a telephone system typically used in business environments, encompassing the range of technology from the key telephone system (KTS) to the private branch exchange (PBX).

  3. The Benefits of VoIP Phone Systems - AOL

    www.aol.com/benefits-voip-phone-systems...

    VoIP phone systems for small businesses. There are plenty of service providers for companies ready to choose a business phone system. Vendors charge a monthly fee per user, and many offer a ...

  4. Nortel Norstar - Wikipedia

    en.wikipedia.org/wiki/Nortel_Norstar

    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. It featured automatic call distribution, and supported up to 192 extensions.

  5. Nortel - Wikipedia

    en.wikipedia.org/wiki/Nortel

    Telephone Systems Telephone sets and terminals LAN and MAN equipment Application Server 5200 and Application Server 5300 (AS5300) Nortel business phones, digital sets for Meridian and Norstar Baystack and ERS (Ethernet Routing Switch), managed network switches for Ethernet; ERS-8600, ERS-8300, ERS-5600, ERS-5500, ERS-4500, ERS-2500

  6. Comparison of VoIP software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_VoIP_software

    Most softphone clients utilize the Session Initiation Protocol (SIP), an open standard that supports various audio and video codecs. Some systems, like Skype, operate on proprietary protocols but can integrate with SIP-based systems through specialized business telephone system (PBX) software.

  7. Nortel Meridian - Wikipedia

    en.wikipedia.org/wiki/Nortel_Meridian

    Nortel Meridian is a private branch exchange telephone switching system. It provides advanced voice features, data connectivity, LAN communications, computer telephony integration (CTI), and information services for communication applications ranging from 60 to 80,000 lines. [1]

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