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  2. Vertical service code - Wikipedia

    en.wikipedia.org/wiki/Vertical_service_code

    A vertical service code (VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [1] Some vertical service codes require dialing of a telephone number after the code sequence.

  3. AT&T Merlin - Wikipedia

    en.wikipedia.org/wiki/AT&T_Merlin

    A door phone controller (DAC-1Z) can be connected to your Merlin Plus system to allow employees to answer calls made from a business entrance. It is connected directly to a CO line port on the Merlin Plus control unit. Callers using the door phone can press a button at the building entrance to ring a telephone in your Merlin Plus system.

  4. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    NEAX12 (Analog / Digital Hybrid PBX) NEAX22 (Analog / Digital hybrid PBX) NEAX 2000/1000; NEAX2400 (Fully Digital PBX) XN120; NEC Univerge SL1000 (Small or Medium Sized, VoIP And TDM) Enterprise IP Systems NEC Univerge SV7000 (Fully IP, VoIP and TDM) Pure IP Communication server; NEC Univerge SV8100 (Fully IP, VoIP and TDM)

  5. Avaya 9600-series IP deskphones - Wikipedia

    en.wikipedia.org/.../Avaya_9600-series_IP_deskphones

    The 9608 phone is an eight-line phone with directory and speed dial functions, with a monochrome display and four programmable keys. The device also supports Bluetooth headsets. The 9611G phone has a 3.5-inch color display and supports eight lines. The device has a built in gigabit Ethernet switch to allow a PC to connect to the network through ...

  6. Analog telephone adapter - Wikipedia

    en.wikipedia.org/wiki/Analog_telephone_adapter

    A typical analog telephone adapter for connecting an analog phone to a VoIP provider Wikimedia Commons has media related to Analog telephony adapter . An analog telephone adapter ( ATA ) or FXS gateway is a device for connecting traditional analog telephones, fax machines, and similar customer-premises devices to a digital telephone system or a ...

  7. Avaya IP Phone 1140E - Wikipedia

    en.wikipedia.org/wiki/Avaya_IP_Phone_1140E

    Avaya IP Phone 1140E in telecommunications is a desktop Internet Protocol client from 1100-series manufactured by Avaya for unified communications. The phone can operate on the Session Initiation Protocol (SIP) or UNIStim protocols. [1] The SIP firmware supports presence selection and notification along with secure instant messaging.

  8. Avaya - Wikipedia

    en.wikipedia.org/wiki/Avaya

    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.

  9. Avaya ERS 5500 Series - Wikipedia

    en.wikipedia.org/wiki/Avaya_ERS_5500_Series

    "Avaya vs. Cisco: A Comparison of LAN and WAN Infrastructure by Info-Tech Research Group" (PDF). Info-Tech Research Group. April 2010; Tolly Group Engineers (February 2007). "Ethernet Routing Switches, 5500, 1600, 8300, and 8600 - Report # 207171" (PDF). Tolly Enterprises, LLC. Archived from the original (PDF) on 25 July 2011