Grandstream Networks GRP261 Series Administration Manual page 44

Return Code When Refusing
Incoming Call
Allow Incoming Call Before Ringing
Enable Call Waiting
Enable Call Waiting Tone
Ring For Call Waiting
Auto Answer Delay
In Call
Enable in-call DTMF Display
Enable Sending DTMF via specific
MPKs
Show On Hold Duration
Enable Auto Unmute
In-call Dial Number on Pressing
Transfer Key
Enable Busy Tone on Remote
Disconnect
Transfer
Enable Transfer
Hold Call Before Completing Transfer
The default setting is "Yes".
Note: Currently the manually rejected calls are counted as missed calls
When refusing the incoming call. The phone will send the selected type of SIP
message of the call. Available options are:
● Busy (486).
● Temporarily Unavailable (480).
● Not found (404).
● Decline (603).
Default setting is "Busy 486".
This allows incoming calls after dialed but before ringing. This can be used under
custom user configuration based on need.
Default setting is "No"
Enable the call waiting feature.
The default setting is "Yes".
Enables Call Waiting alert tone when another incoming call is received while a call is
in progress.
Default setting is "Yes".
Configures the phone to ring instead of playing call waiting tone when handset or
headset is used.
The default setting is "No".
Configure the delay for automatically answering the incoming call. Valid range is 0
to 10 (second). The default value is 0 (which means auto answer is disabled).
Enables/disables the display of entered DTMF digits on the phone LCD during the
call.
The default setting is "Yes".
Allows certain MPKs to send DTMF in-call. This option doesn't affect Dial DTMF.
The default setting is "No".
Show the duration of holding a call on the LCD.
The default setting is "Yes".
If the option is enabled, automatically unmute phone when an user unholds the call
or establishes a new call. The default setting is "No".
Configures the number to be dialed as DTMF using TRANSFER button.
Enables the busy tone heard in the handset when call is disconnected remotely.
The default setting is "Yes".
Enables/disables transfer feature. If disabled, call transfer will not be possible.
Default setting is "Yes".
When set to "No", the phone will not hold the current call or the transfer target for an
Attended Transfer. The default setting is "Yes".