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SMT-i5243 User Guide _23
An extension line is the telephone line through which a call can be placed to
another internal phone connected to the system of the office.
A station line is the telephone line where the user can make or receive a call
to/from outside (e.g. home), which is directly connected to the switching system
of a central office.
Dialing a Station Line Number
Function used to dial a station line number.
1
Pick up the handset, and check whether the
dial tone is audible.
2
Press the line group directory number [9]
button, and then press an external phone
number.
3
If the user selects the [Call] button at the
bottom, a ring back tone can be heard.
4
If the party receives the call, begin the
conversation.
As the line group directory number may vary per system, contact the system
operator.