Aastra OpenCom 130 User Guide - Page 141
Features, RFP 42: Access via shielded CAT5 Ethernet cable STP cable, Shielded Twisted
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DECT over IP® Properties ■ RFP 34: like the RFP 32; mounted outside enclosed areas (IP55); external antennas ■ RFP 42: Access via shielded CAT5 Ethernet cable (STP cable, Shielded Twisted Pair cable); offers simultaneous function of a WLAN Access Point conforming with the IEEE 802.11b/g protocol; external antennas; 8 voice channels Note: The DECT base stations RFP 32, RFP 34 and RFP 42 support the DECT encryption function. This feature is however, only available if all the DECT base stations support it. Note: When started, the operating software for the DECT over IP base stations is transmitted via TFTP protocol from the OpenCom 100. The configuration for the start sequence is transmitted by the DHCP server of the OpenCom 100 to a DECT over IP base station for the start sequence. If VoIP telephony is already being used, Ethernet cable access makes good sense. Transmission of telephony signalling and voice data via TCP/IP also offers usage of existing network infrastructure and an increase in range using suitable methods. VPN connections, for example, can be used for data links to provide service to remote or hard-to-reach locations. 10.1.2 Features All DECT over IP base stations can be connected to a CAT5 Ethernet cable with a 10/100 Base T. Power is supplied either via Power-over-LAN (IEEE 802.3af ) or via an additional power supply unit. Please note: The WLAN function of the RFP 42 is activated only when connected to the 100 Base T. DECT terminals offer all system telephony features. DECT telephones supporting the GAP standard can also be operated. Transparent GAP device handovers are supported. DECT encryption of calls can be deactivated for the RFP 32, RFP 34 and RFP 42 if desired. VoIP audio communication between the DECT over IP base station and the OpenCom 100 is made via the RTP/RTCP protocol. RTP voice data are directly converted into DECT voice data by the base station. The base stations support the following VoIP codecs: 139