Troubleshooting Your Phone

 

 

 

Calling

 

 

 

 

 

Symptom

Problem

Corrective Action

 

 

 

There is no dial tone.

Power is not correctly applied to

Do one of the following:

 

the SoundPoint IP 450 phone.

Check that the screen is illuminated.

 

 

 

 

Make sure the LAN cable is inserted

 

 

properly at the back of the phone (try

 

 

unplugging and re-inserting the

 

 

cable).

 

 

If using in-line powering, have your

 

 

system administrator check that the

 

 

switch is supplying power to the

 

 

phone.

 

 

 

 

Dial tone is not present on one of

Do one of the following:

 

the audio modes.

Switch between Handset, Headset (if

 

 

present) or Hands-Free

 

 

Speakerphone to see if the dial tone is

 

 

present for one of audio modes.

 

 

If the dial tone exists on another audio

 

 

mode, connect a different handset or

 

 

headset to isolate the problem.

 

 

 

 

The phone is not registered.

Contact your system administrator.

 

 

 

The phone does not ring.

Ring setting or volume is low.

Do one of the following:

 

 

Adjust the ringing level from the front

 

 

panel using the volume up/down keys.

 

 

Check status of Handset, Headset (if

 

 

connected), and Hands-Free

 

 

Speakerphone.

 

 

 

 

Outbound or inbound calling is

Do one of the following:

 

unsuccessful.

Place a call to the phone under

 

 

investigation. Check that the screen

 

 

indicates incoming call information.

 

 

Lift the handset. Ensure the dial tone

 

 

is present and place a call to another

 

 

extension or number. Check that the

 

 

screen changes in response.

 

 

 

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Polycom IP 450 manual Calling