Grandstream GXP21xx Series User Manual - Manual (Page 36)

FIRMWARE VERSION 1.0.8.4 GXP2120/GXP2110/GXP2100/GXP14xx USER MANUAL Page 34 of 85

Attended Transfer .
 During the first active call, press LINE key. The first call will be put on hold;
 Enter the number for the second call in the new line and establish the call;
 Press TRAN key;
 Press the other LINE key which is on hold to transfer the call.

Auto-Attended Transfer .
 Set "Auto-Attended Transfer" to "Yes" under Web GUI->Settings->Call Features. And then click
"Save and Apply" on the bottom of the page;
 Establish one call first;
 During the call, press TRAN key. A new line will be brought up and the first call will be
automatically placed on hold;
 Dial the number and press SEND or # to make a second call. (Once the number is entered, a
"Transfer" softkey will show. If "Transfer" softkey is pressed instead of SEND or #, a blind transfer
will be performed);
 Press TRAN key again. The call will be transferred.
 For Auto-Attended Transfer, after dialing out the number for the second call, a "Split" softkey will
show. If the second call is not established yet (ringing), pressing "Split" will hang up the second call.
If the second call is established (answered), pressing "Split" will resume the second call and keep
the first call on hold.
Note:
 To transfer calls across SIP domains, SIP service providers must support transfer across SIP domains.
5-WAY CONFERENCING/3-WAY CONFERENCING
GXP2120/GXP2110/GXP2100 can host up to 5-way conference call with other parties (PCMU/PCMA);
GXP14xx can host 3-way conference call with other 2 parties (PCMU/PCMA).

Initiate a conference call .
 Establish calls with 2 or more parties respectively;