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  2. VoIP phone - Wikipedia

    en.wikipedia.org/wiki/VoIP_phone

    Yealink Network Technology Co Ltd T27G VoIP Telephone Avaya IP phone. The overall hardware may look like a telephone or mobile phone. A VoIP phone has the following hardware components An handset with a headphone and a microphone, unless the whole telephone is a hand-held device containing these; A loudspeaker to act as a speakerphone

  3. Voice over IP - Wikipedia

    en.wikipedia.org/wiki/Voice_over_IP

    VoIP devices have simple, intuitive user interfaces, so users can often make simple system configuration changes. Dual-mode phones enable users to continue their conversations as they move between an outside cellular service and an internal Wi-Fi network, so that it is no longer necessary to carry both a desktop phone and a cell phone ...

  4. The Benefits of VoIP Phone Systems - AOL

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

    Both solutions allow users to make and receive calls from any internet-connected device, including cell phones, computers, or VoIP phones. You can buy adapters for analog desk phones and fax ...

  5. Mobile VoIP - Wikipedia

    en.wikipedia.org/wiki/Mobile_VoIP

    Mobile VoIP or simply mVoIP is an extension of mobility to a voice over IP network. Two types of communication are generally supported: cordless telephones using DECT or PCS protocols for short range or campus communications where all base stations are linked into the same LAN, and wider area communications using 3G or 4G protocols.

  6. Wi-Fi calling - Wikipedia

    en.wikipedia.org/wiki/Wi-fi_calling

    Mobile VoIP client: Consumers have started to use telephony interfaces on their PCs. Applications offer a low-cost, convenient way to access telephony services while traveling. Now mobile operators can offer a similar service with a UMA-enabled mobile VoIP client. The client provides a mirror interface to a subscriber's existing mobile service.

  7. Unified communications - Wikipedia

    en.wikipedia.org/wiki/Unified_communications

    The system —PBX or key telephone system— accepted the call and routed the call to the appropriate extension or line appearance on the phones at the customer's office. In the 1980s, voice mail systems with IVR-like features were recognized as an access mechanism to corporate information for mobile employees, before the explosion of cell ...

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