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  2. Comparison of VoIP software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_VoIP_software

    VoIP technology has transformed telecommunications by offering alternatives to traditional telephony systems while providing enhanced features and cost savings. For residential users, VoIP services typically provide significant cost advantages compared to traditional public switched telephone network (PSTN) services. These systems eliminate ...

  3. VoIP phone - Wikipedia

    en.wikipedia.org/wiki/VoIP_phone

    Flip VoIP phone. A VoIP phone or IP phone uses voice over IP technologies for placing and transmitting telephone calls over an IP network, such as the Internet. [1] This is in contrast to a standard phone which uses the traditional public switched telephone network (PSTN).

  4. Public switched telephone network - Wikipedia

    en.wikipedia.org/wiki/Public_switched_telephone...

    The call is then transmitted from one end to another via telephone exchanges. The call is switched using a call set up protocol (usually ISUP) between the telephone exchanges under an overall routing strategy. The call is carried over the PSTN using a 64 kbit/s channel, originally designed by Bell Labs.

  5. The Benefits of VoIP Phone Systems - AOL

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

    Differences between VoIP and other business phone systems. The public switched telephone network, or plain old telephone service, uses copper lines. Most telecommunications carriers no longer ...

  6. Media gateway control protocol architecture - Wikipedia

    en.wikipedia.org/wiki/Media_Gateway_Control...

    Relationship of network components in a media gateway control protocol architecture. The media gateway control protocol architecture is a methodology of providing telecommunication services using decomposed multimedia gateways for transmitting telephone calls between an Internet Protocol network and traditional analog facilities of the public switched telephone network (PSTN). [1]

  7. Virtual number - Wikipedia

    en.wikipedia.org/wiki/Virtual_number

    A virtual number can work like a gateway between traditional calls (PSTN) and VoIP. Subscribers to virtual numbers may use their existing phones, without the need to purchase additional hardware, i.e. use the numerous available software.

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