Cisco OL-4660-01 - Manual (Page 8)

Chapter 4 Cisco Call Back
System Requirements for Cisco Call Back
4-8
Cisco CallManager Features and Services Guide
OL-4660-01
When Phone A unsuccessfully tries to activate Call Back, the following message
displays:
Call Back cannot be invoked for extension xxxx. Press Exit to
quit this screen.
If Phone A tries to press the CallBack softkey during the idle state, the following
message displays on Phone A:
Call Back is not active. Press Exit to quit this screen.
When Phone A tries to activate Call Back and it is already active, the following
message displays:
CallBack is already active on xxxx. Press OK to activate on yyyy.
Press Exit to quit this screen.
When Phone A tries to activate Call Back and the extension is not found in the
database, the following message displays:
CallBack cannot be activated for xxxx.
When Phone A tries to activate Call Back and the Cisco CTIManager and Cisco
Extended Functions services are not registered, the following message displays:
Service not available.
When Phone A tries to activate Call Back and the Cisco Extended Functions
service is not working, the following message displays:
Call Back Service Failure.
System Requirements for Cisco Call Back
Cisco Call Back requires the following software components to operate:
• Cisco CallManager 3.3 or later
• Microsoft Windows 2000
• Microsoft Internet Explorer or Netscape Navigator