User's Manual

Firmware Version 1.0.0.11
GXP1610/GXP1620/GXP1625 User
Guide
Page 24 of 31
 During the call, press TRANSFER. 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" soft key will show. If "Transfer" soft key is pressed instead of SEND or #, a blind
transfer will be performed);
 Press TRANSFER again. The call will be transferred.
 For Auto-Attended Transfer, after dialing out the number for the second call, a "Split" soft key 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.
3-WAY CONFERENCING
GXP1610/GXP1620/GXP1625 can host up to 3-way conference call with other parties (PCMU/PCMA).
 Initiate a conference call.
 Establish calls with 2 parties respectively;
 While 1 call is active, the other call will be put on hold with its LINE key blinking in green;
 Press CONF key;
 Press the desired LINE key on hold, the conference will be established;
 Cancel Conference.
 If after pressing the CONF key, the user decides not to conference, press Cancel soft key or the
current active LINE key (LED in solid green);
 This will resume the 2-way conversation with the current line.
 Split and Re-conference.
 During the conference, press HOLD key. The conference call will be split and the calls will be put
on hold separately with the LINE keys blinking in green;
 Select one LINE key and press to resume the 2-way conversation;
 If users would like to re-establish conference call, before 1 separate LINE is selected, press the