produce a Call Waiting tone (stutter tone). The other LINE key will flash in red. Answer the
incoming call by pressing the flashing LINE key. The current active call will be put on hold
automatically.
Note:
When there is an ongoing call, users can disable incoming call notification pop up. This way
users will not get disrupted by unexpected popup call but still get notified by the flashing line LED.
This option can be enabled from the Web GUI under Settings ? Call Features. For further
information, please refer to the admin guide.
Ring Group Call. If the phone is member of a Ring Group, when the SIP server receives a call to
the Ring Group, all phone will start ringing, once a phone answers the call, a missed call
notification will pop up on all phones. The GXP21XX Series support reason header, which allows
the phones not to log a missed call if it is answered elsewhere. The following message will be
included in the CANCEL SIP message received by the phone for notifying it that another user
answers the call.
Reason: SIP; cause=200;text=”Call completed elsewhere”
Call Screen Improvement
If a text contains more than one line, it will slide from right to left to display the full information without
being cut, as shown on the figure below.
C:\Users\Soukaina\Desktop\1321321654654654654.png
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Figure 38: Text sliding
Group Listening
Group Listening will give the users the ability to enable speaker sound while the handset/headset still
in use. This option can be enabled from the Web GUI under Settings ? Preferences ? Audio
Control.
GRANDSTREAM NETWORKS
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