User's Manual
Table Of Contents
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GXW42xx User Manual 
Version 1.0.5.43 
CALL FEATURES 
GXW42XX supports the traditional telephony features available in a PBX as well as additional advanced 
telephony features. 
Table 6: Call Features Table (Star Code) 
Key 
Call Features 
*02 
Forcing  a  Codec  (per  call):  *027110  (PCMU),  *027111  (PCMA),  *02723  (G723), 
*02729  (G729),  *0272616  (G726-r16),  *0272624  (G724-r24),  *0272632  (G726-r32), 
*0272640 (G726-r40), *027201 (iLBC) 
*03 
Disable LEC (pe call) Dial “*03” +” number”. No dial tone is played in the middle. 
*16 
Enable SRTP 
*17 
Disable SRTP 
*30 
Block CallerID (for all-config change) 
*31 
Send CallerID (for all-config change)   
*67 
Block CallerID (per call) 
*82 
Send CallerID (per call) 
*47 
Direct IP Calling. Dial “*47” + “IP address”. No dial tone will be played in the middle. 
Detail see Direct IP Calling section on page 12. 
*50 
Disable Call Waiting (for all-config change) 
*51 
Enable Call Waiting (for all-config change) 
*69 
Call Return Service: Dial *69 and the phone will dial the last incoming phone number 
received. 
*70 
Disable Call Waiting (Per Call) 
*71 
Enable Call Waiting (Per Call) 
*72 
Unconditional Call Forward:  Dial “*72” and then the forwarding number followed by 
“#”. Wait for dial tone and hang up. (dial tone indicates successful forward) 
*73 
Cancel Unconditional Call Forward: Dial “*73” and wait for dial tone, then hang up. 
*74 
Enable Paging Call: Dial “*74” and then the destination phone number you want to 
activate in Paging mode. 










