call-set-up packet
31H.323 — is an umbrella Recommendation from the ITU Telecommunication Standardization Sector (ITU T) that defines the protocols to provide audio visual communication sessions on any packet network.It is widely implemented by voice and videoconferencing… …
32Voice over Internet Protocol — (VoIP, IPAEng|vɔɪp) is a protocol optimized for the transmission of voice through the Internet or other packet switched networks. VoIP is often used abstractly to refer to the actual transmission of voice (rather than the protocol implementing… …
33Business telephone system — Early model 464G Western Electric key telephone set A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private …
34GSM services — are a standard collection of applications and features available to mobile phone subscribers all over the world. The GSM standards are defined by the 3GPP collaboration and implemented in hardware and software by equipment manufacturers and… …
35Layer 2 Tunneling Protocol — In computer networking, the Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs). History and future Published in 1999 as proposed standard RFC 2661, L2TP has its origins primarily in two older …
36Circuit switching — is a methodology of implementing a telecommunications network in which two network nodes establish a dedicated communications channel (circuit) through the network before the nodes may communicate. The circuit guarantees the full bandwidth of the …
37Long-tail traffic — This article covers a range of tools from different disciplines that may be used in the important science of determining the probability of rare events. The terms long range dependent , self similar and heavy tailed are very close in meaning.… …
38X Window System core protocol — The X Window System logo The X Window System core protocol[1][2][3] is the base protocol of the X Windo …
39MDC-1200 — Listen filename=Trucking w leading PTT ID using MDC1200.ogg title=MDC 1200 sounds description=leading push to talk ID with data muting. format=OggListen filename=TRucking leading PTT ID MDC1200 non Motorola recvr.ogg title=MDC 1200 sounds… …
40Berkeley sockets — The Berkeley sockets application programming interface (API) comprises a library for developing applications in the C programming language that perform inter process communication, most commonly across a computer network.Berkeley sockets (also… …
