Aastra OpenCom 130 User Guide - Page 130
VoIP System Telephone Configuration, 9.5.3 LAN DHCP Server, Configurator
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Voice over IP (VoIP) VoIP System Telephones ■ During the device's start procedure, the IP address is configured and the device software is requested via the DHCP and TFTP network protocols. 9.5.2 VoIP System Telephone Configuration The VoIP system telephones Aastra 6773ip (OpenPhone 73 IP) and Aastra 6775ip (OpenPhone 75 IP) obtain the required IP address configuration and operating software via the DHCP, BOOTP and TFTP IP protocols. After the power supply is assured, the device's internal boot loader is started which controls the further start procedure. Standard operating procedure is to contact the OpenCom 100's DHCP server so that the start procedure can be concluded without problems. To register a new VoIP system telephone, proceed as follows: 1. Temporarily remove the VoIP system telephone's ethernet connection. Switch on the VoIP system telephone's power supply. Note the MAC address shown in the display, for instance "MAC: 00:30:42:00:00:00". Switch off the power supply. 2. In the Configurator, open the Telephony: Devices: VoIP Phones page. Click on the New button. 3. Select the VoIP system telephone's Type and enter the previously noted MAC address. Assign a Name and Phone No. Confirm with Apply. 4. Connect the ethernet connection with the VoIP system telephone's RJ45 connector. Switch on the power supply. Verify the correct start procedure on the display. 9.5.3 LAN DHCP Server If the LAN already uses a DHCP server to configure workstation computers, there are various options for correctly responding to VoIP system telephones' DHCP, BOOTP and TFTP requests. A comparatively simple approach is described here. 1. Configure the LAN's DHCP server to ignore DHCP requests from the VoIP system telephones. With a Linux DHCP server programme, you must, for example, include the following lines in the system file "/etc/dhcpd.conf": 128