Panasonic KX-TDA50 manual Cos

9.1.14 Internal Call Block

In this example:

a.COS 1 can make calls to all extensions.

b.COS 2 can make calls to COS 1 only. (COS 2 cannot make calls to COS 2.)

c.COS 3 can make calls to COS 3 only.

COS 1

Extn. 100 Extn. 101

COS 2 COS 3

Extn. 102 Extn. 103 Extn. 104 Extn. 105 Extn. 106

Conditions

•Internal Call Block also prohibits certain features, such as Walking Extension and Walking COS, from being performed between certain extensions.

•Any extension can make an Operator Call regardless of the Internal Call Block setting of its COS. (→ 12.1.5 Operator Features)

•Because each doorphone port is assigned a COS, the Internal Call Block feature can restrict certain extensions from calling certain doorphones. (→ 4.1.11 Doorphone Call)

PC Programming Manual References

4.13[2-7-3] Class of Service—Internal Call Block— COS Number of the Extension Which Receive the Call from Other Extension 1–64

5.12[3-5-1] Incoming Call Distribution Group—GroupSettings—Main— COS

6.1[4-1-1] Wired Extension—ExtensionSettings—Main— COS

6.10[4-2-1] Portable Station—ExtensionSettings—Main— COS

7.1[5-1] Doorphone— COS

7.6[5-4] External Relay— COS Number

Feature Manual References

3.1.19 COS (Class of Service)

170

Feature Manual Document Version 2008-11