Advanced Settings - Call Features; Table 29: Advanced - Call Features - Grandstream Networks GAC2500 Administration Manual

Guest Login
Guest Login Timeout (m)
Guest Login PIN Code
SIP Domain
Fixed Slave Mode

Advanced Settings - Call Features

Virtual Account Group Avaya
Mode
Disable Call-Waiting
Display Soft Keyboard
administrator password to install/uninstall third-party apps; If set to
"Require admin password if the app source is unknown", the user need
to input admin password only when install apps from unknown source,
administrator password authentication is required when the user uninstall
third-party apps. The default setting is "Allow".
Enables the Desking mode. End users need to configure the SIP domain
name before implementing this feature. Users also should enter SIP
username and password manually on LCD after reboot the phone. The
default setting is "No".
Configures the timeout to quit the hot Desking mode if there are not any
operations on the phone. The default setting is "Never".
Defines PIN code for guest login. If the hot Desking mode is enabled and
the guest login timeout set to Never, it needs end user to enter the PIN
code to login. The default setting is NULL
Configures the SIP domain under Avaya mode. Fill in the SIP server
address, in order to choose the registered server before login Avaya
server. This function should be used with Outbound Proxy option under
Account->Network Settings.
Configures whether the GAC device always in slave mode or not. If
checked, the GAC can be used as audio auxiliary device only, if not
checked, then the GAC will be used as audio auxiliary device only when
its Micro-USB data interface is connected to the master device such as
GVC device or PC, when the master device is disconnected from the
GAC, the GAC can restore independent audio conference function. The
default setting is "No"

Table 29: Advanced - Call Features

Once enabled, the GAC will register the first two accounts in virtual
account group, if the two accounts registration fails, then it will register
other accounts. If disabled, then use common virtual account group
mode. The default setting is "No".
Disables the call waiting feature. If it is checked, the phone system will
reject the second incoming call during an active session without user's
knowledge. But this missed call record will be saved to remind users. The
default setting is "No".
Enables the QWERTY soft keyboard in the phone app/dialer page. If it is
set to "Yes", the soft keyboard will pop up by tapping the input box.
Default setting is "No".
It is recommended to disable the dial plan of the dial page on the Account
GAC2500 Administration Guide
P a g e | 53