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  2. Ooma - Wikipedia

    en.wikipedia.org/wiki/Ooma

    Ooma was founded by Andrew Frame, who previously worked for Cisco Systems, and Michael Cerda. [5] [6] Ooma's initial product was a "VoIP in a box" device that had the capability to use peer-to-peer VoIP technology to let users make phone calls over other Ooma users' landline services.

  3. List of VoIP companies - Wikipedia

    en.wikipedia.org/wiki/List_of_VoIP_companies

    Ooma: Palo Alto, California: United States: VoIP communications for small businesses, home and mobile Radvision: New Jersey: United States: Video conferencing and telepresence technologies RingCentral: Belmont, CA and London: United States and UK: Cloud-based telephone systems Sipgate: Düsseldorf: Germany: VoIP and mobile phone services ...

  4. Mobile radio telephone - Wikipedia

    en.wikipedia.org/wiki/Mobile_radio_telephone

    For example, some systems used two-tone sequential paging to alert a mobile or handheld that a wired phone was trying to call them. Other systems used DTMF. Some used a system called Secode 2805 which transmitted an interrupted 2805 Hz tone (in a manner similar to IMTS signaling) to alert mobiles of an offered call. Some radio equipment used ...

  5. Plain old telephone service - Wikipedia

    en.wikipedia.org/wiki/Plain_old_telephone_service

    Plain Old Telephone Service (POTS), or Plain Ordinary Telephone System [1], is a retronym for voice-grade telephone service that employs analog signal transmission over copper loops. The term POTS originally stood for Post Office Telephone Service , as early telephone lines in many regions were operated directly by local Post Offices .

  6. Improved Mobile Telephone Service - Wikipedia

    en.wikipedia.org/wiki/Improved_Mobile_Telephone...

    IMTS was the radiotelephone equivalent of land dial phone service. Introduced in 1964, it replaced Mobile Telephone Service (MTS) and improved on most MTS systems by offering direct-dial rather than connections through a live operator, and full-duplex operation so both parties could talk at the same time.

  7. AOL Mail - AOL Help

    help.aol.com/products/aol-webmail

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  8. Talk:Ooma - Wikipedia

    en.wikipedia.org/wiki/Talk:Ooma

    -- Mike from Ooma, social@ooma.com Ooma Comms Team 19:42, 30 December 2020 (UTC) Ooma Comms Team 19:42, 30 December 2020 (UTC) Hi Ooma Comms Team, thanks for the disclosure and the request. The request proposes no changes to be implemented (all have been made already; the request contains no proposal for further edits).

  9. AOL

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    x. AOL fonctionne mieux avec les dernières versions des navigateurs. Vous utilisez un navigateur obsolète ou non pris en charge, et certaines fonctionnalités de AOL risquent de ne pas fonctionner correctement.