Aastra OpenCom 130 User Guide - Page 129
Device Properties, LAN Port, PC Port
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Voice over IP (VoIP) VoIP System Telephones 9.5.1 Device Properties The VoIP-enabled versions of the system telephones Aastra 6773ip (OpenPhone 73 IP) and Aastra 6775ip (OpenPhone 75 IP) offer the same features as the corresponding system telephones. Using VoIP system telephones is therefore not much different from using standard system telephones. The following differences exist: ■ Two RJ45 connector ports are available for ethernet connection. The ports are connected to one another via the telephone's internal switch. The switch supports 10 Mbit/s or 100 Mbit/s full-duplex with priority given to VoIP data transmission. LAN Port: Allows the telephone to connected to the LAN. Use a non cross-over RJ45 patch cable to connect to a Hub or Switch. PC Port: Allows the telephone to be connected to a workstation computer. Use a non cross-over RJ45 patch cable to connect to the PC's network port. ■ The VoIP system telephone's power supply is provided by an extra plug-in power supply. It is also possible to provide a power feed via PoE ("Power over Ethernet"). PoE requires special devices for power feeds, as well as a completely wired RJ45 connection line. ■ You can also connect a standard headset via RJ45 sockets (DHSG standard) to VoIP system telephones. ■ VoIP system telephone's audio signals are generated by the telephone itself. DTMF dial tones and Music on Hold are produced by the Media Gateway function. ■ A VoIP system telephone can also be operated without a permanent connection to the communications system, for example via an on-demand RAS connection. ■ Signalling data for call control, call data during three-way conferences, connections to conventional terminals and external connections is exchanged between the VoIP system telephone and the communications system. During a call between two VoIP system telephones, call data is exchanged directly between the two VoIP system telephones. 127