Can the ISDN phone provide power supply

ISDN phones can obtain power by themselves or through the remote PBX. By default, the 2BST (BRA) card does not provide power when the AR router is connected to an ISDN telephone. If power supply is required, run the remote-power enable command.
system-view
[Huawei] voice
[Huawei-voice] port bra 3/0/0
[Huawei-voice-bra3/0/0] remote-power enable

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