Monday, April 12, 2010

digital and intelligent

The development of packet switch network technology and digital transmission technology has greatly boosted the communication technology to be digital and intelligent. The new communication technology integrates the advantages of data network and multimedia technology. This makes it possible to realize multi-services such as audio, video, etc. on a single hair straighteners network platform. The VoIP technology emerged in such a background and has developed fast to be a competitive technology in voice communication field. Apart from those advantages Lacoste Polo such as packet switching, effectively utilization of the bandwidth and cost-effective, VoIP takes uncomparable advantages of audio technology in PSTN. This is the key factor for it competitiveness and its ralph lauren polo shirts prospective market. Although currently the quality of the voice of Lacoste Polo Shirts telephone is not good, it is paid high attention by the communication practitioner. Many international standard organization such as ITU-T, ETSI, IETF, IMTC, etc. are proposing new related standards.SIP (Session Initiation Protocol) is one of application-layer control signaling protocols proposed by custom made prom dresses(Internet Engineering Task Force). It has became an important protocol in VoIP architecture. Based on SIP, the simple request/response model can make the establishment of the flat iron shop for us session easy. The traditional voice and its added service can be integraed, and some new real time service over IP network can be provided. The architecture of SIP protocol based on distributed design supplies high flexiblity and scalablity to the mobile devices.
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