Panasonic KX-TD500 System Reference Manual page 468

2.03 BSS/OHCA Deny
Description
Allows an extension user to deny "Busy Station
Signaling (BSS)" and "Off-Hook Call
Announcement (OHCA)" from other extension
users. If an user sets this function, another's
attempt to execute BSS/OHCA is rejected with
reorder tone.
For further information about BSS/OHCA
function, refer to Section 4-C-5.03 "Intercom-
Busy Station Signaling (BSS)" and Section 4-C-
5.04 "Off-Hook Call Announcement (OHCA)".
Assigning and canceling this function are
executed by dialing the feature number for
"BSS/OHCA Deny Set" and "BSS/OHCA Deny
Cancel".
To perform this function with the feature number
for "BSS/OHCA Deny Set", assign "System-Class
of Service", BSS/OHCA Deny to "Yes" on an
extension user basis.
Programming
System Programming
"System-Class of Service (1/3)",
BSS/OHCA Deny
"System-Numbering Plan (5/11)",
BSS/OHCA Deny Set
BSS/OHCA Deny Cancel
Conditions
Use the PDN button to assign and cancel this
function.
Reference
VT Dumb
10-D-4.01 11-C-7.00
10-D-6.05 11-C-11.00
4-D-6
Operation
To deny BSS/OHCA
1. Lift the handset or press the SP-
PHONE button.
2. Dial the feature number for "BSS/
OHCA Deny Set (Default : *53)".
• You hear confirmation tone 1 or
2 and then dial tone 1, 3, or 4.
• If your PITS has a display, it
shows:
BSS/OHCA Deny
3. Replace the handset or press the
SP-PHONE button.
To allow BSS/OHCA
1. Lift the handset or press the SP-
PHONE button.
2. Dial the feature number for
"BSS/OHCA Deny Cancel
(Default : #53)".
• You hear confirmation tone 1 or
2 and then dial tone 1, 3, or 4.
• If your PITS has a display, it
shows:
BSS/OHCA Allow
3. Replace the handset or press the
SP-PHONE button.