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Epygi Technologies Configuring Grandstream IP Phones on Quadro LAN
6 Troubleshooting
The IP phone fails to reboot/restart
Some IP phones may fail to reboot when the reboot is initiated from the phone’s LCD-based
interface. The only way to recover the phone from the permanent reboot is to unplug the power
cable from the base unit of the phone and plug it in again.
If there is a problem with auto configuration of Grandstream BT100 phones, after resetting the
phone there is a need to set the configuration server by hand from the GUI of the phone.
Advanced Settings -> Firmware Upgrade and Provisioning:
Firmware Server Path: should be changed from fm.grandstream.com/gs to Quadro LAN IP (e.g. 172.30.0.1)
Config Server Path: should be changed from fm.grandstream.com/gs to Quadro LAN IP (e.g. 172.30.0.1).
7 SIP Phone Uses a Third-Party DHCP Server
To allow a SIP phone to be configured using auto-configuration options, the phone should be able
to download the configuration file from the Quadro’s HTTP/TFTP server. This requires that the boot
server address of the phone be set to the IP address of the Quadro’s LAN interface. In network
configurations where the SIP phone obtains its network parameters from the Quadro’s DHCP
server (recommended, see
Figure 5), the boot server address is set automatically by the Quadro.
Apart from the steps mentioned in Sections
4 no additional steps are required to complete SIP
phone configuration.
Figure 5-Recommended configuration for SIP phone setup
If the SIP phone uses a third-party DHCP server, the DHCP server should be configured to notify
the phone of the Quadro’s location. An example of such network configuration is shown in
Figure 6.
In this example, the LAN of the Quadro, the dedicated DHCP server, and SIP phones are in the
same subnet. For the instructions on how to make appropriate changes to a third-party DHCP
server, please see Section
0.
PAGE 10 27-Sep-07