Configuration, Vg3300 – Accton Technology SIP Gateway VG3300 Series User Manual
Page 46

VG3300
series user guide
call dials from B to D will not be busy. Here is the possible situation. 
 
D keeps talking with A and hears Call Waiting Tone if B calls D.
B hears normal ring back tone without sense any different.
If D keep talking with A and ignore the Call Waiting Tone for more than 30 seconds, Call 
Waiting Tone stop and the phone call return to normal condition 
If D keep talking with A and ignore the Call Waiting Tone for more than 30 seconds, B keep 
hearing ring back tone for 30 seconds and listen busy tone finally. 
D can talk to B if D presses Flash button when hearing the Call Waiting Tone. Phone A is silent 
when D talk to B. 
D can talk to A or to B by keep pressing Flash button to switch the two side.
C will hear busy tone when C call to D if there is one line in call waiting status for A.
Configuration 
Enable the Call Waiting function of the FXS port (D) of VG3300 gateway. This function can be 
configured for each FXS port individually. 
 
 
Web Folder: Channel\ 
D
E
3702B
3702A
SIP Phone
SIP GW
43
