Mitel 50005070 Instruction Manual download pdf (Page 294)

284

SX-200 ICP MX Technician’s Handbook

Waiting for link

Lost link to Server

IP phone fails to receive

Keepalive message in

30 seconds.

Verify if the network or the controller is

down.

There is electrical

interference.

Verify the power source, and change the

location of the power source.

TFTP Fail

(Remote IP phone

(statically

programmed IP

address) cannot

access the SX-200

ICP across the

WAN).

The Layer 2 switch port

for the phone interface

is shut down or not

configured properly.

Check the Layer 2 switch and ensure that

the port is not shut down.

For a Cisco Layer 2 switch: verify that this

is a trunk port with Dot1q encapsulation,

and ensure this trunk port allows both

native and voice LAN to pass through.

For an HP Layer 2 switch: verify that

Native Lan is untagged and Voice Lan is

tagged.

The Layer 2 switch port

for router interface is

shut down or not

configured properly.

Verify which configuration you have

Ensure the port(s) on both sides (Layer 2

switch and router) are not shut down.

If there is physical interface on the router

for each VLAN, make sure that the Layer 2

switch is set to access port for the

corresponding VLAN/subnet correctly; OR

If this is a router on a switch, verify that this

is a trunk port on L2 switch, and ensure

this trunk port allows both native and voice

LAN to pass through.

On the router’s subinterface, verify that the

proper VLAN is associated to the

subinterface.

Typo in IP address,

VLAN ID, gateway.

Delete and reprogram the static IP

address. If there is no VLAN or priority,

don’t put 0 and leave them as blank.

Verify that the gateway IP address is

correct.

Table 59: IP Phone Registration Troubleshooting (continued)

Error Message on

Display

Probable Cause Corrective Action

(Page 5 of 5)

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