Polycom VSX Series manual Calling, Use the Ping test System Diagnostics

		Diagnostics and General Troubleshooting
Calling
Symptom	Problem	Corrective action
Error message occurs	The system is not	Verify that the LAN cable is connected properly.
when placing an IP (H.323)	connected to the LAN.
call.
	The system’s LAN cable is	Replace the system’s LAN cable.
	bad.
	The far site is not	Use the PING test (System > Diagnostics >
	connected.	Network > PING) to determine whether the far site is
		accessible to your system. If the test fails, the far site
		system is unavailable.
	The system is not	Check your IP configuration.
	configured correctly for the
	network.
	The IP	Contact the gatekeeper/gateway administrator.
	Gateway/Gatekeeper is not
	operating or is not
	configured correctly.
	Calls do not connect.	Use the PING test (System > Diagnostics >
		Network > PING) to determine whether the far site is
		an H.323 device.
		If it is not an H.323 device and you are sure the IP
		address is correct it is likely that address is not on
		your network. This is especially true with addresses
		beginning with 10., 168.254, 172.16 through 172.31,
		or 192.168, which are private networking addresses.
	If you are unable to place	Register with the gatekeeper.
	calls to known sites on your
	network, the VSX system
	might need to be registered
	to a gatekeeper that blocks
	calls from unregistered
	systems.
System displays a	This can occur if the system	Wait about three minutes and try the call again.
message indicating network	uses a PRI E1 network
congestion when placing an	interface module that is
ISDN call immediately after	connected to an Adtran
starting the system.	Atlas 800 Plus module.
	After power on, the Adtran
	module must complete
	channel restarts before the
	system can complete ISDN
	calls.

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