Grandstream Networks, Inc. GXP User Manual Page 21 of 43
Firmware 1.2.4.3 Last Updated: 09/2010
3. Semi-Attended Transfer: In the web UI, under “Account Settings”, select the Semi-attended
Transfer Mode. There are two modes to select for this feature. RFC5589 and Send Refer with early
dialog:
a. With RFC5589 phone will not send out REFER to transferee until 200OK is received from
transfer target. Like an attended transfer, press “LINEx” button to make a call and
automatically place the ACTIVE LINE on HOLD. Dial the second call, and as it is ringing
press the “TRANSFER (or TRNF)” key and then the blinking LINE button of the call on hold
to transfer the call.
b. With "Send REFER with early dialog" mode phone will send out REFER as soon as the
transfer target is selected (in the early dialog stage). Like an attended transfer, press “LINEx”
button to make a call and automatically place the ACTIVE LINE on HOLD. Dial the second
call, and as it is ringing press the “TRANSFER (or TRNF)” key and then the blinking LINE
button of the call on hold to transfer the call. Transferor will hang up.
NOTE: To transfer calls across SIP domains, SIP service providers must support transfer across SIP
domains. Blind transfer will usually use the primary account SIP profile.
5-Way Conferencing
GXP can host conference calls and supports up to 5-way conference calling.
1. Initiate a Conference Call
:
Establish a connection with two or more parties
Press CONF button
Choose the desired line to join the conference by pressing the corresponding LINE button.
Repeat previous two steps for all other parties that would like to join the conference. This
can be done at any time. However, if a new call comes in, the other calls will be placed on
hold and the host will have to individually re-join the held lines back into the conference by
repeating the previous two steps again.
2. Cancel Conference: Canceling establishing conference call.
If after pressing the “CONF” button, a user decides not to conference anyone, press CONF
again or the original LINE button.
This will resume two-way conversation.
3. End Conference:
Press HOLD to end the conference call and put all parties on hold;
To speak with an individual party, select the corresponding blinking LINE.
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.
Voice Messages (Message Waiting Indicator)
A blinking red MWI (Message Waiting Indicator) indicates a message is waiting. Press the MSG button to
retrieve the message. An IVR will prompt the user through the process of message retrieval. Press a
specific LINE to retrieve messages for a specific line account.
NOTE:
• Each line has a separate voicemail account. Each account requires a voicemail portal number to be
configured in the “voicemail user id” field.
• To check which line account has a message 1) press the message button (this always checks the
primary account), 2) check each line for stutter tone or 3) check missed calls using the menu.
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