Grandstream Networks 200 Series - Manual (Page 18)

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4.3.5 Handset Mode, Speakerphone/Headset Mode
Handset mode and Speakerphone/Headset mode cannot be enabled at the same time.
Pressing the hook-switch or Speakerphone button would toggle the phone between these
two modes.
4.3.6 Call Hold
While in conversation, pressing the “Hold” button will put the remote end on hold.
Pressing the “Hold” button again will release the previously Hold state and resume the bi-
directional media.
4.3.7 Call Waiting and Call Flashing
If call waiting feature is enabled, while the user is in a conversation, he will hear a
special stutter tone if there is another incoming call. User then can press FLASH button
to put the current call party on hold automatically and switch to the other call. Pressing
flash button toggles between two active calls.
4.3.8 Call Transfer
Two transfer operations are supported.
4.3.8.1 Blind Transfer
User can transfer an active call to a third party without announcement.
User presses the “TRANSFER” button and if the other voice channel is available
(i.e., there is no other active conversation besides the current one), user will hear a
dial tone. User can then dial the third party’s phone number followed by pressing
SEND button.
NOTE:
• “Enable Call Feature” has to be configured to “Yes” in web configuration page
in order to make the features to work.
A can hold on to the phone and wait for one of the three following behaviors:
• A quick confirmation tone (temporarily using the call waiting indication tone)
follows by a dial tone. This indicates the transfer has been successful. At this
point, the user can either hang up or make another call.
• A quick busy tone followed by a restored call (On supported platforms
only). This means the transfer has failed due to the failed response sent from