Troubleshooting guide
System Features
103
Features H to K
Table 29: Troubleshooting Features H to L
 Feature Symptom Probable Cause Corrective Action
Handset 
Receiver 
Volume
Handset receiver volume 
setting is not retained 
between calls.
“Handset Volume 
Adjustment - Saved” 
option is not enabled for 
the set
Enable “Handset Volume 
Adjustment - Saved” option in the 
COS of the set.
Handsfree 
Operation
Called party cannot hear 
you clearly.
Microphone is obstructed Ensure that the microphone (on 
the front edge of the telephone) is 
unobstructed
Background noise minimize background noise (such 
as printers, fans, and radios)
Too far away from phone sit within reach of the telephone
Speaking too quietly speak at a normal volume towards 
the microphone.
Hold User unable to place DID 
On-Hold.
Users unable to put DID 
calls on hold when the 
COS of the set has 
Record-A-Call - Save 
Recording on Hang-up 
enabled.
Disable “Record-A-Call - Save 
Recording on Hang-up” option in 
the COS of the set.
Hunt Groups Calls not ringing sets in 
expected order.
Incorrect “Hunt Group 
Mode” specified.
Ensure that the desired Hunt 
Group Mode (Circular or 
Terminal) is specified in the Hunt 
Groups form.
Hunt group members are 
programmed in the wrong 
order in the Hunt Groups 
form.
Ensure that the member directory 
numbers are entered (listed) in 
the Hunt Groups form in the order 
that you want the calls distributed. 










