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IP PBXs USER MANUAL
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103
Notice
Firmware upgrade will cause the IPPBX system restart and as a result all the phone calls going through the system will be terminated. So
please make sure there’re no phone calls going on before you upgrade.
13.3
Diagnostic
13.3.1 PING
Path: Maintenance -> Diagnostic -> PING
The ping command is a very common method for troubleshooting the accessibility of devices. It uses a series of Internet Control
Message Protocol (ICMP) Echo messages to determine:
 Whether a remote host is active or inactive.
 The round-trip delay in communicating with the host.

Packet loss.
Specify the domain or IP of the host you want to contact, then click on button, and then the command begins to process. You
will receive results output from the system indicating the reachability of the destination.
13.3.2 Traceroute
The traceroute command is used to discover the routes that the packets actually took while traveling to their destination.
Path: Maintenance -> Diagnostic -> Traceroute
In the IP Address/Domain Name field specify the IP or domain name that you want to lookup and click on button to begin
tracing.
During the whole process each step will output in the Results field, you can view which routes the packets have taken before reaching
their final destination.