Grandstream GXP1100 User Manual - Manual (Page 24)

FIRMWARE VERSION 1.0.8.4 GXP1100/GXP1105 USER MANUAL Page 22 of 53
Note:

The party that starts the conference call has to remain in the conference for its entire duration, you can
put the party on mute but it must remain in the conversation. Also, this is not applicable when the
feature "Transfer on Conference Hangup" is turned on.

The option "Disable Conference" has to be set to "No" to establish conference on GXP110x.
VOICE MESSAGES (MESSAGE WAITING INDICATOR)
A blinking red MWI (Message Waiting Indicator) indicates a message is waiting. Dial into the voicemail box
to retrieve the message by entering the voice mail number of the server or pressing the MSG key (Voice
Mail User ID has to be properly configured as the voice mail number under Web GUI->Account->General
Settings page). An IVR will prompt the user through the process of message retrieval.
Note:

Users can press *** to the IVR menu and then enter 86 to hear the number of new voice messages.

When the feature “Blink message LED on ringing” is enabled, the message LED will blink for both
incoming call and new messages in mailbox.
CALL FEATURES
The GXP1100/GXP1105 supports traditional and advanced telephony features including caller ID, caller ID
with caller Name, call forward and etc.
Table 5: CALL FEATURES
*30
Block Caller ID (for all subsequent calls)

Off hook the phone;

Dial *30.
*31
Send Caller ID (for all subsequent calls)

Off hook the phone;

Dial *31.
*67
Block Caller ID (per call)

Off hook the phone;

Dial *67 and then enter the number to dial out.
*82 Send Caller ID (per call)