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Frequently Asked Questions


  • What's this all about?

    Manufacturers have been building and providing hybrid telephone systems in recent years. These systems use IP cards to gain access to the advantages of IP Telephony via SIP trunking.

    SIP trunks are an excellent way for businesses that already have a traditional PBX telephone system to take advantage of the cost benefits which can be up to 40% lower when compared to PBX operating costs. Early adopters are already enjoying the cost reduction of IP telephony.

    Unlike older systems, IP Telephony is not static - services are changing and improving and the competition for providing these next-generation services is being led by companies like ours.

  • How can my business benefit from SIP?

    One of the most significant advantages of SIP trunking is the ability to combine data, voice and video in a single line, eliminating the need for separate physical media for each mode. The result is reduced overall cost and enhanced reliability for multimedia services.

    With SIP trunking, users can:

    • Make and receive local, long-distance and mobile calls.
    • Make emergency calls (999).
    • Use both fixed and mobile telephone handsets.
    • Send emails and text messages.
    • Browse the internet.

    In order to take advantage of SIP trunking, your business must use a traditional PBX telephone system which connects to all internal end users and extensions. With an IP card you can connect to an internet telephony service provider (ITSP), and a gateway that serves as the interface between your PBX and the ITSP. It's easier than it sounds and we'll take care of all the technical stuff, so you don't need to worry.

    For more information call us on 0330 159 4000.

  • How easy is it to access IP Telephony?

    It's really quite simple. Extensions and users can be set up in no time at all by simply plugging in a new handset. Users can even be based in remote locations, away from the main office, as long as they have an internet connection.

  • What equipment will I need?

    You don't need to install a new telelphone system, handsets are provided that you can use with your internet connection. They come preconfigured and are plug-and-play, just connect them to a data socket and they're ready to go!

  • Is ISDN dead?

    For those that missed the published PSTN "drop dead date" of June 15 2018, take note - it is expected that an all-IP network will take its place. It remains debatable whether this date will be accurate, it also remains unclear how and when the public will be completely migrated away from PSTN. It is, however, clear that businesses and consumers will be moving to an all-IP network sooner rather than later. Get ahead of the curve!



  • IP - Internet Protocol

    The Internet Protocol (IP) is the method or protocol by which data is sent from one computer to another on the internet. Each computer (known as a host) on the Internet has at least one IP address that uniquely identifies it from all other computers on the Internet.

    When you send or receive data, for example, sending an e-mail or viewing a web page, the message gets divided into segments called packets. Each of these packets contains both the sender's and the receiver's IP address.

    Because data is divided into a number of packets, each packet can be sent by a different route across the Internet. Packets can arrive in a different order than the order they were sent. The Internet Protocol just delivers them. It's up to another protocol, the Transmission Control Protocol (TCP) to put them back in the right order.

  • ISDN - Integrated Services Digital Network

    Integrated Services Digital Network, abbreviated to ISDN, is the set of worldwide communications standards for the digital transmission of voice, video and data services over the PSTN (public switched telephone network).

  • Voice over Internet Protocol (VOIP)

    VoIP (Voice over Internet Protocol) is an organised effort to standardise IP Telephony. IP Telephony is an important part of the convergence of computers and telephones into a single, integrated information environment. VoIP typically refers to the delivery of voice communications over the internet; eg. Skype. Another general term for this standardisation is CTI, (Computer-Telephony Integration) which describes technologies for using computers to manage telephone calls.

  • IP Telephony

    IP Telephony (Internet Protocol Telephony) is a general term for the technologies that use the Internet Protocol's packet-switched connections to exchange voice, fax, and other forms of information that have traditionally been transmitted over the dedicated circuit-switched connections of the public switched telephone network (PSTN).

  • IETF – Defining Internet Standards

    The IETF (Internet Engineering Task Force) is the body that defines standard Internet operating protocols such as TCP/IP. The IETF is supervised by the Internet Society IAB (Internet Architecture Board). IETF members are drawn from the Internet Society's individual and organisational membership. Standards are expressed in the form of Requests for Comments (RFCs).

  • SIP Trunks

    SIP trunking is a replacement for traditional ISDN. It facilitates the connection of a PBX (Private Branch Exchange) telephone system to the Internet. This means that the internet replaces the conventional telephone trunk/line, allowing businesses to communicate with both fixed and mobile telephone subscribers worldwide.

  • OTA Updates

    OTA (Over-the-air) updates refer to the ability to distribute software updates (amongst other applications) directly to devices without the need to physically connect the hardware to the update server. Your cloud-based telephone system does this automatically from a centralised server. New software updates are pushed out ‘over-the-air’ to all devices with an internet connection ensuring handsets are always up to date.

  • PSTN - Public Switched Telephone Network

    Public Switched Telephone Network abbreviated to PSTN, is the collection of worldwide circuit-switched telephone networks that carry analog voice and data over copper wire. The PSTN is what is used for telephone calls over a typical landline phone.

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