Siemens 5000 用户手册

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页码 139
Step by Step
Using Other Functions
90
o
Wait for a dial tone and then enter the code, such as 
*
97 for Do not disturb on. Make other inputs as neces-
sary; (refer to the operating instructions for pulse and 
DTMF telephones).
or
o
Dial the external number.
You can only execute one function at a time, or 
set up only one outgoing connection. 
The connection is immediately released after 
successful activation of a function. 
In the case of an external-external call, the con-
nection is released as soon as either of the par-
ties ends the call.