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Appendix C: Telephony Features 
This section introduces what the following features are used for.   
Call Holding 
This feature allows you to put a call on hold, in which case the call is not ended but no verbal 
communication is available.   
To put a call on hold, press the FLASH button. To return to the original call, press the FLASH  
button again. 
Call Transfer 
This feature allows you to redirect the current call to another phone by using the F LASH button 
and dialing the destination number. 
To transfer a call, please follow  the steps below: 
1.  Press F LASH button to put the current call on hold. 
2.  Dial the destination number. 
Note: To quit the transfer, press the FLASH button again to return to the original call before 
hearing the ringback tone. 
3.  Hang up when hearing the ringback tone or wait for the newly called party to answer and then 
hang up. Now  the call is successfully transferred. 
Call Waiting  
With this feature enabled, if a calling party places a call to you while you are busy, you are able to 
suspend the current call and switch  to the new incoming call. 
To switch to the new incoming call, press FLASH followed by the number 2. The first call will be 
automatically put on hold. You can switch between the two calls by pressing F LASH followed by 
the number 2. 
USB Voice M ail 
With this feature enabled, the caller will be prompted to leave a voice message upon the call or 
when there is no response for a certain time. 
Call Forwarding 
This feature allows an incoming call to be redirected to a specified party. There are two  call 
forwarding features, including Call Forwarding Unconditionally and Call Forwarding on No Answer.   
  With Call Forwarding Unconditionally enabled, no matter whether the called party is busy or 
not, the incoming call will  be redirected to the specified party. 
  With Call Forwarding  on No Answer enabled, the incoming call will be redirected to the 
specified party when  there is no response for a certain time. 
Anonymous Calling 
This feature allows you to make a call without your phone number or ID being displayed on the 
called party's phone. 
Anonymous Call Blocking 
With this feature enabled, all anonymous calls will  be blocked.