D-Link DPH-150S User Manual page 27

7 repertory keys can be set for the phone. Lift the handset or press the handfree key, then press the repertory key to call.
Dial from phone book
Enter into menu of 'phone book', choose 'view entry', use down/up to select the number you want to dial, or you can choose 'search entry', input the name you want
to search, then dial out.
Redialing a previously called number use down/up key.
Dialing during a call
The phone supports double line calling. You can make a new call without end the last one. Press 'FLASH' to hold the current conversation, and make a new call.
Exit dialing
Replace the handset or press
holding.
4.1.2. Handset/Hands free/Headset switching
There are four states during handset/headset/Speaker switch : handset onhook、handset offhook、handfree and headset.
Following are the rules for handset/headset/Speaker switch:
1. If current state is not handfree, phone will change to handfree state after users have pressed 'handfree' function key.
2. If current state is not headset, phone will change to headset state after users have pressed 'headset' function key.
3. If current state is handfree, users have pressed 'handfree' function key with the handset is off-hooked, phone will change to handset offhook state and continue
the current conversation. And users have pressed 'handfree' function key with the handset is on-hooked, phone will change to handset onhook state and end the
current conversation.
4. If current state is headset, users have pressed 'headset' function key with the handset is off-hooked, phone will change to handset offhook state and continue the
current conversation. And users have pressed 'headset' function key with the handset is on-hooked, phone will change to handset onhook state and end the current
conversation.
5. If current state is handset offhook, phone will change to handset onhook state after users have put down the handset.
6. If current state is handfree or headset, phone will not change its state after users have put down the handset.
7. Whenever phone will change to handset offhook state after users have picked up the handset.
to exit dialing. If you are in double line calling, when you exit the current line, the phone will ring to remind you the other call
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