LCD, the phone at the side of being called should be ringing. If the called party answers this calling,
the call is established and the calling timer is started immediately.
D. Dial from phone book
1. Press key and input the keypad password 123 to enter the menu and choose “Directory”
option. Press "Select" soft key and then find the contact person by navigation keys. When the
certain contact person is highlighted, press "Dial" or just pick up the handset to call this number.
2. Pick up the handset, press "Directory" soft key, then select the contact person and press "Dial"
soft key.
3. Pick up the handset, press and enter “Directory”, then select the contact person and press
“Dial” soft key.
E. Dial from call history
1. Press key and input the keypad password 123 to enter the menu and choose “History”
option, then enter sub-directory “Dialed Calls”, “Received Calls” or ” Missed Calls” to select one
of call history entry, and press "Dial" soft key or pick up handset to call this number.
2. Pickup the handset, press "History” soft key, then select one of call history entry, and press
"Dial" soft key to call this number.
3. Pickup the handset, press and enter “Call History” ,then select one of call history entry, and
press "Dial" soft key to call this number.
3.3 Pre- dial
It’s a method to dial a phone number immediacy at standby mode.
A、Dial-up the phone number at standby mode
B、Press soft key "Dial" to send out the number
Multiple line dial-up
A20/A21/A20W/A21W
supports 2 SIP lines. That means user can register on2 different sip accounts
simultaneity. User is able to choose line1 or line2 by pressing corresponding line key. Line1 is the
priority line.
A20/A21/A20W/A21W maximum supports 4 concurrent calls. When there is an incoming call to
another line, LCD will show the incoming telephone number and line LED will be blinking in green.
User is able to press the corresponding line key on which you’re talking then press “Answer” to
receive the incoming call from another line.
3.4 Hang up the phone
1. Handset hang up
Put back the handset at handset mode, the current calling will be hung up.
2. Speaker hang up
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