Avaya 4621SW Manuel D’Utilisation

Audio quality is poor, 
specifically, you hear an echo 
while using a handset, static, 
sudden silences (gaps in 
speech), clipped or garbled 
speech, etc.

Various potential network problems might be 
causing the problem.
Access the Network Audio Quality screen 
(described in 

 

in 

) to provide your System 

Administrator with specific information related to 
this problem. 
Contact your LAN Administrator with as 
complete a description of the problem as 
possible.

No dial tone 

Check that both the handset and line cords into 
the phone are securely connected. Note that 
there might be a slight operational delay if you 
unplug and reconnect the phone. 
Reset or power cycle the phone with your 
System Administrator’s assistance. (See the 
section titled 

 for details.)

Contact your System Administrator if these 
steps do not produce the desired result. 

A feature does not work as 
indicated in this guide (for 
example, the Redial button 
does not operate as described)

Verify the procedure and retry. For certain 
features, you must lift the handset first or place 
the phone off-hook. 
Contact your System Administrator if this action 
does not produce the desired result. Your 
telephone system might have been specially 
programmed for certain features applicable only 
to your installation. 

All other IP Phone problems

Contact your System Administrator.