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IP Phone User Guide (ITP-5100V)
© SAMSUNG Electronics Co., Ltd.
23
Making External Calls
This function is used to make external calls.
1
Lift the handset and check dial tone.
- Alternatively, press the
[Speaker]
button to check if
there sounds a dial tone.
2
Press the C.O. line connection number.
3
Upon hearing the dial tone, press the phone
numbers to call.
4
Start conversation when the recipient answers.
- Extension line means a phone line connected to a system of company that is also
connected to other internal phones.
- C.O. line means the phone lines coming from or sending to external (home)
phones through phone offices.