OfficeServ ITP-5112L User Manual - Making Calls

ITP-5112L IP Telephone User Guide 

© SAMSUNG Electronics Co., Ltd.

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Making Calls 

This function is used to make internal or external calls.   

Phone is set to enblock mode that a caller should press the target number buttons 

and press the [Send] button by default. If a caller changes the mode to overlap 

mode, a caller can make a call just by pressing the target number buttons. This 

guide describes how to use a phone in enblock mode. 

Making Internal Calls 

This function is used to make an internal call. 

1

Lift the handset and check if a calling tone is 

heard. Press the number of the recipient’s 

station. 

- Or, press the [Speaker] button to check if a calling 

tone is heard. 

2 

Press the 

[Send]

 button. Then, a ring back tone 

is heard. 

3 

Start conversation when the recipient answers. 

- Internal call is a call connected to a user who use another internal phone 

connected to the system in an office. 

- External call is a call directly connected to the switching system of a phone 

company. The call is made from an office to another area(e.g., house) or from 

another area to an office.