Polycom SIP 3.0.2 ユーザーズマニュアル

Administrator’s Guide SoundPoint IP / SoundStation IP 

5 - 12

There is no dial tone.

Power is not correctly applied to 

the SoundPoint IP family SIP 

phone.

Do one of the following:
•

Check that the display is illuminated.

Make sure the LAN cable is inserted 

properly at the rear 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 

audio paths.

Do one of the following:
•

Switch between Handset, Headset (if 

present) or Hands-Free 

Speakerphone to see if dial tone is 

present on another paths.

If dial tone exists on another path, 

connect a different handset or 

headset to isolate the problem.

Check configuration for gain levels.

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 same status of handset, 

headset (if connected) and through 

the Hands-Free Speakerphone.

Outbound or inbound calling is 

unsuccessful.

Do one of the following:
•

Place a call to the phone under 

investigation. Check that the display 

indicates incoming call information.

Lift the handset. Ensure dial tone is 

present and place a call to another 

extension or number. Check that the 

display changes in response.

The line icon shows an 

unregistered line icon.

The phone line is unregistered.

Contact your system administrator.