Cisco 7945G Unified IP Phone

Cisco 7945G is a fine phone model with high contrast color display and a Gigabit Ethernet port, (US Phone 7945 Gigabit Ethernet, Color).

The support of XML applications allows using all the advantages of the display. This phone allows direct access to two lines, quick dial and direct access to phone’s features, 4 soft keys, providing users access to a call option and other functions, additional joystick for menu browsing. Loudspeaker and a handset, were specially designed for high quality broadband sound, and are a standard for IP phone, as well as a headphones jack.

Technical characteristics: 5-inch (12,5 cm) graphical TFC color display with a backlight, 16-bit color depth, 320 x 240 pixel resolution Built in 2 port Cisco Ethernet switch allowing direct connection to 10/100/1000 BASE-T network with the help of RJ-45 interface, ensuring simultaneous connection of the phone and computer. Codec support: G.711a, G.711µ, G.729a, G.729ab, G.722 and iLBC Skinny Client Control Protocol (SCCP) and Session Initiation Protocol (SIP) with Cisco call control. Power voltage of 48 V DC, supplied with the assistance of option power block CP-PWR-CUBE-3 or power injector CP-PWR-INJ Support of IEEE 802.af PoE (class 3)

Providers in database: 6433

RTP Delivers Multimedia Data In Real Time

A Real-time Transport Protocol (RTP) is a protocol standard defined by the Internet Engineering Task Force (IETF) that outlines a management system for programs using real-time transmission of data through mutlicast or unicast network services in multimedia situations. Originally designed by the IETF for videoconferencing for multiple participants, the protocol is largely used in Voice over Internet Protocol applications. Despite its name, the protocol cannot guarantee real-time delivery of data, however, the RTP does compensate for jitters and can detect when data arrives out of sequence, both issues being popular in VoIP communication. In IP telephony, RTP works with a signaling protocol, such as SIP or H.323, in order to set up connections in a network.

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Global Ip Telecom

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