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• CoIP (communications over Internet Protocol)

  CoIP (communications over Internet Protocol) is a set of standards defining the transmission of multimedia over the Internet. CoIP can be considered an expansion of VoIP (voice over Internet Protocol) to include text, images, video and other forms ... Continue Reading

• .Tel

  .Tel is a top-level domain (TLD) intended for universal text naming and navigation in Internet-based communications... (Continued) Continue Reading

• H.245

  H.245 is a protocol for the transmission of call management and control signals in packet-based networks using H.323 equipment. Continue Reading

• media gateway

  A media gateway is any device, such as a circuit switch, IP gateway, or channel bank that converts data from the format required for one type of network to the format required for another. Continue Reading

• call control

  Call control is a process that is used in telecommunications networks to monitor and maintain connections once they have been established. Continue Reading

• Definitions to Get Started

  • VoIP phone
  • VoIP (voice over IP)
  • instant messaging (IM)
  • unified communications (UC)

  • UCaaS (Unified Communications as a Service)
  • codec
  • 4K video resolution
  • communications platform as a service (CPaaS)

  View All Definitions

• call signaling

  Call signaling is a process that is used to set up a connection in a telephone network.Continue Reading

• call deflection

  Call deflection is a feature of voice over IP (VoIP) that automatically redirects a call from the called endpoint to another endpoint (usually a voice mailbox) when the called endpoint is busy.Continue Reading

• call detail record (CDR)

  A call detail record (CDR) in voice over IP (VoIP) is a file containing information about recent system usage such as the identities of sources (points of origin), the identities of destinations (endpoints), the duration of each call, the amount ...Continue Reading

• dial peer (addressable call endpoint)

  A dial peer, also known as an addressable call endpoint, is a device that can originate or receive a call in a telephone network.Continue Reading

• dial peer hunting

  Dial peer hunting is a feature of voice over IP (VoIP) systems in which the device at the originating router attempts to find an alternative addressable call endpoint if it cannot establish a connection to the intended endpoint.Continue Reading

• VoIP caller ID (Voice over Internet Protocol caller identification)

  VoIP caller ID (Voice over Internet Protocol caller identification) is a caller ID application for VoIP phones that works in much the same way as caller ID on a conventional telephone line but with enhanced features and flexibility... (Continued)Continue Reading

• call admission control (CAC)

  Call admission control (CAC) is the practice or process of regulating traffic volume in voice communications, particularly in wireless mobile networks and in VoIP (voice over Internet Protocol, also known as Internet telephony)... (Continued)Continue Reading

• ZRTP (Zimmermann Real-Time Transport Protocol)

  ZRTP is an extension of the Real-Time Transport Protocol (RTP) that describes a method of generating cryptographic keys for enhanced communications security and privacy... (Continued)Continue Reading

• Videocast: What is the difference between UC and UM?

  In the SearchVoIP.com videocast, Whatis.com's Alex Howard discusses the differences between unified messaging and unified communications, the features each option allows users and the development of UM to UC. Whether you are considering UC or have ...Continue Reading

• telegraph

  A telegraph is a system in which information is communicated over a wire with a series of electrical current pulses, usually in the form of Morse code. The basic components include a source of direct current, a length of wire or cable, and a ...Continue Reading