Grandstream Networks HandyTone-496 Manuel D’Utilisation

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Following table shows the call features of HandyTone-496. 
 
 

Key 

Call Features 

*23 3-way 

conference 

*87 Blind 

Transfer 

*30 

Block Caller ID (for all subsequent calls) 

*31 

Send Caller ID (for all subsequent calls) 

*67 

Block Caller ID (per call) 

*82 

Send Caller ID (per call) 

*50 

Disable Call Waiting (for all subsequent calls) 

*51 

Enable Call Waiting (for all subsequent calls) 

*70 

Disable Call Waiting.  (Per Call) 

*71 

Enable Call Waiting (Per Call) 

*72 

Unconditional Call Forward.  
To use this feature, dial “*72” and get the dial tone. Then dial 
the forward number and “#” for a dial tone, then hang up. 

*73 

Cancel Unconditional Call Forward 
To cancel “Unconditional Call Forward”, dial “*73” and get 
the dial tone, then hang up. 

*90 

Busy Call Forward 
To use this feature, dial “*90” and get the dial tone. Then dial 
the forward number and “#” for a dial tone, then hang up. 

*91 

Cancel Busy Call Forward 
To cancel “Busy Call Forward”, dial “*91” and get the dial 
tone, then hang up 

*92 

Delayed Call Forward 
To use this feature, dial “*92” and get the dial tone. Then dial 
the forward number and “#” for a dial tone, then hang up. 

*93 

Cancel Delayed Call Forward 
To cancel this Forward, dial “*93” and get the dial tone, then 
hang up 

Flash/Hook  When in conversation, this action will switch to the new 

incoming call if there is a call waiting indication. 
When in conversation without an incoming call, this action 
will switch to a new channel for a new call. 

 
 

 
HandyTone-496 supports FAX in two modes: T.38 (Fax over IP) and fax pass through. T.38 is the 
preferred method because it is more reliable and works well in most network conditions. If the service 
provider supports T.38, please use this method by selecting Fax mode to be T.38. If the service