See below for a list with supported features behind the Yeastar P-series PBX.

Feature                                       P710/P810(B)/P82X/P85X(B)WN670/N870Maxwell B/2/3/4 (EOL)
Minimum software release:  10.1.198.162.39.03.18.1
Basic Callyesyesyes
Calling line (CLIP)yesyesyes
Connected line (COLP)yesyesyes
Anonymous callPBX featurePBX featurePBX feature
Do Not Disturbyesyesyes
Message waitingyesyesyes
Call list/historyyesyes (local)yes
Voice mail deposit/retrievalyesyesyes
Call waitingyesyesyes
Call Hold / Toggleyesyesyes
Music on Holdyesyesyes
Call forward (CFU)yesyesyes
Call forward (CFNR)yesyesyes
Call forward (CFB)yesyesyes
Call Transfer attendedyesyesyes
Call Transfer unattendedyesyesyes
Call Transfer blindyesyesyes
DTMF (RFC2833)yesyesyes
Conference 3ptyyesyesyes
BLF Busy / Idle indicationyesN.A.yes
Call pick-up direct  ( * 04 extension)yesyesyes
Call pick-up group ( * 4 )yesyesyes
Call pick-up BLFyesN.A.yes
Call completed elsewhereyesyesyes
Auto provisioning
Auto provisioning

yesyes
Firmware update

yesyes
Device settings

yesyes
Trigger provisioning

yes
Reboot

no
Function keys

no
Yeastar automatic add device to GRAPEUpcomingUpcomingNo

See the following wiki articles about auto-provisioning and configuration of the Gigaset devices.