10.7.3 PBX Configuration—[2-7-3] System—Class of
Service—Internal Call Block
Internal
Call Block determines the restrictions placed on making intercom calls. The extensions, incoming call
distribution groups, and doorphones belonging to a certain COS can be programmed to not receive intercom
calls from those belonging to a certain COS.
COS Number of the Extension Which Receive the Call from Other Extension 1
–
512
Specifies the combinations of COS levels for which intercom calls are blocked.
Default
All extensions: Non Block
Value Range
Block (blue), Non Block
Maintenance Console Location
10.7.3 PBX Configuration—[2-7-3] System—Class of Service—Internal Call Block
Programming Manual References
11.5.1 PBX Configuration—[3-5-1] Group—Incoming Call Distribution Group—Group Settings—Main—
COS
12.1.1 PBX Configuration—[4-1-1] Extension
—Wired Extension—Extension Settings—Main—
COS
12.2.1 PBX Configuration—[4-2-1] Extension
—Portable Station—Extension Settings—Main—
COS
13.1 PBX Configuration
—[5-1] Optional Device—Doorphone—
COS
Feature Manual References
10.1.15 Internal Call Block
Document Version 2016-03 PC Programming Manual 575
10.7.3 PBX Configuration—[2-7-3] System—Class of Service—Internal Call Block