Call Hold; Call Waiting; Call Transfer - Grandstream Networks HT502 User Manual

*47 or Voice Prompt with option 47, then 192*168*0*160.
followed by pressing the "#" key if it is configured as a send key or wait 4 seconds. In this case, the
default destination port 5060 is used if no port is specified.
b) If the target IP address/port is 192.168.1.20:5062, then the dialing convention would be:
*47 or Voice Prompt with option 47, then 192*168*0*160*5062 followed by pressing the "#" key
if it is configured as a send key or wait for 4 seconds.
NOTE: When completing direct IP call, the "Use Random Port" should set to "NO". You cannot make
direct IP calls between FXS1 to FXS2 since they are using same IP.

Call Hold

Place a call on hold by pressing the "flash" button on the analog phone (if the phone has that button). Press
the "flash" button again to release the previously held Caller and resume conversation. If no "flash" button
is available, use "hook flash" (toggle on-off hook quickly). You may drop a call using hook flash.

Call Waiting

Call waiting tone (3 short beeps) indicates an incoming call, if the call waiting feature is enabled. Toggle
between incoming call and current call by pressing the "flash" button. First call is placed on hold. Press
the "flash" button to toggle between two active calls.

Call Transfer

Blind Transfer
Assume that call Caller A and B are in conversation. A wants to Blind Transfer B to C:
3. Caller A presses FLASH on the analog phone to hear the dial tone.
4. Caller A dials *87 then dials caller C's number, and then # (or wait for 4 seconds)
5. Caller A will hear the confirm tone. Then, A can hang up.
HT502 User Manual
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