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Making Calls
General Functions
Internal and External Telephone Numbers
The internal number of your telephone is assigned when you configure your commu-
nications system.
The telephone number is linked to the call key
you receive calls on this key. You can have several internal telephone numbers on dif-
ferent call keys on the OpenPhone 63 and the OpenPhone 65. The external telephone
number(s) at which you can be reached is (are) assigned to the call key(s) (with the
internal number).
External
telephone numbers
4701 1678
4701 1234
4701 1345
4701 1456
Example of the assignment of internal and external telephone numbers
The above example shows that the system's external telephone numbers are first
stored in the OpenCom 100 / Aastra 800. The telephones can be reached selectively
by means of call distribution of the numbers to the internal numbers (call keys). As
you see, telephone 1 and telephone 2 both ring when a call is made to the number
"4701 1234". At the same time, telephone 1 can also be reached on the number
"4701 1678".
Call distribution
scheme
OpenCom 100
of your telephone, which means
Internal telephone numbers
on the call keys
47
Telephone 1
48
49
Telephone 2
50
51
Telephone 3
Making Calls
33
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