User's Manual

88
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Monitor the status of subscribed phones.
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Call the subscribed number.
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Transfer calls/calls to the subscribed number.
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Pickup incoming calls from subscribed number.
1） Monitors the status of subscribed phones.
Configuration BLF function keys, when the subscription of the number of the state (idle,
ringing, talking) is changed, the LED lights of function key will have corresponding
change, see appendix Ⅲ 6.3 LED to get to know each other under different status leds.
2） Call the subscribed number.
When the phone is in standby mode, press the configured BLF key to call out the
subscribed number.
3） Transfer calls to the subscribed number.
Refer to Table 9.1.1-blf function key subtype parameter list, the BLF key can be used for
blind rotation, attention-rotation and semi-attention-rotation of the current call, and also
can invite the subscribed number to join the call and send DTMF, etc.
4） Pickup incoming calls from subscribed phones.
When configuring BLF function key, configure the pickup number.
When the subscription number telephone rings, refer to appendix Ⅲ 6.3, BLF LED will
turn red at this time. At this point, press the BLF button to answer the incoming call from
the subscribed number.
11.2 BLF List
BLF List Key is to put the number to be subscribed into a group on the server side, and
the phone uses the URL of this group to make unified subscription. The specific
information, number, name and status of each number can be resolved based on notify
sent from the server. The unoccupied Memory Key is then set as the BLF List Key. If the
state of the subscription object changes later, the corresponding led light state will be
changed.
Configure BLF List function: log in the phone page, enter the [Line] >> [SIP] >>
[Advanced settings] page, open the BLF List, and configure the BLF List number.