2.10.3  Call Monitor
Description
Allows an extension user to listen to a busy extension user’s existing conversation. The user can hear the
conversation, but the user’s voice is not heard. If desired, interrupting the call to establish a three-party
conference call is available.
Conditions
• COS programming determines extension users who can use this feature.
• This feature is available only when the busy extension is in a conversation with another extension or outside
party.
• This feature does not work when the busy extension is in one of the following conditions:
a. Executive Busy Override Deny (® 2.10.2  Executive Busy Override) or Data Line Security
(® 2.11.5  Data Line Security) has been set.
b. While receiving OHCA (® 2.10.4.3  Off-hook Call Announcement (OHCA), ® 2.10.4.4  Whisper
OHCA).
c. During a Conference call (® 2.14  Conference Features).
d. During a doorphone call (® 2.18.1  Doorphone Call).
e. While Live Call Screening (LCS) or Two-way Record is activated (® 3.2.2.19  Live Call Screening
(LCS) and 3.2.2.34  Two-way Record/Two-way Transfer).
f. During Consultation Hold.
• This feature stops when the busy extension user presses the following buttons during a conversation
(® 2.21.1  Fixed Buttons and 2.21.2  Flexible Buttons):
– FLASH/RECALL button
– HOLD button
– TRANSFER button
– CONF (Conference) button
– DSS button
– EFA button
– Two-way Record button
– Two-way Transfer button
– One-touch Two-way Transfer button
– Voice Mail (VM) Transfer button
PC Programming Manual References
10.6.3  PBX Configuration—[2-6-3] System—Numbering Plan—B/NA DND Call Feature—
Call Monitor
10.7.1  PBX Configuration—[2-7-1] System—Class of Service—COS Settings—Executive— Call Monitor
12.1.1  PBX Configuration—[4-1-1] Extension—Wired Extension—Extension Settings
→Option 2— Data Mode
→Option 3— Executive Override Deny
12.2.1  PBX Configuration—[4-2-1] Extension—Portable Station—Extension Settings—Option 3— Executive
Override Deny
Feature Guide References
5.1.1  Class of Service (COS)
142 Feature Guide
2.10.3 Call Monitor