Tecom Co Ltd 402421 User Manual

 

 

DOCUMENT NO. 

VT40-2421 MMI  

 REV NO. 

 4 

PAGE 

9 of 43

 

 

a)  make an intercom for conference call  

b)  make the second line call for conference 

c) 

 

Press [MUTE] key to turns off the microphone for privacy or to resume back the 
conversation.

 

Press [SPEAKERPHONE] to

 use the speakerphone for making or answering calls. 

To end the call by presses this key again. 

Press the [FUNCTION] will form a function access key by followed function 
code [1/4/7/*]. 
[FUNCTION] [1] DELETE code, to delete the SPEED/CID list memory, or 
CID area Code 
[FUNCTION] [4] DND code, to activate Do Not Disturb feature 
[FUNCTION] [7] PAUSE code, to insert a delay during digits 
[FUNCTION] [*] CONFERENCE code, to bridge 3-way conference call 

Press [MEM] key for speed dialing operation and programming parameters.  
The list of programming parameters is as below:- 

• 

System Security Code (S.S.C.)  

• 

Handset ID Programming. 

• 

CO Line Ring Programming. 

• 

Handset Ring Type Programming. 

• 

Hold-Reminder Time Programming. 

• 

FLASH Time Programming. 

• 

Tone/Pulse Mode Programming. 

• 

Caller ID Area Code Programming (Refer to the Caller ID Operation)  

• 

LIU (Line In Use) Enable/Disable Programming 

• 

Handset Reset Programming.  

• 

Base Unit Reset Programming 

• 

System Security Code Registration (Refer to the Installation Operation)  

Press [CALLER] key for view the caller ID information between ring calls or 
see the Caller ID of the waiting caller.