Synology HAT5300-12T 12TB 3.5" SATA HDD Gateways the PM200 Expansion Module adds

the PM200 Expansion Module adds extra BLF (Busy Lamp Field) buttons to P-Series IP phones for extra functionality

Handsfree Calling

including the Yealink Noise Proof Technology

it is also available as part of the more comprehensive "STRMD Alexa Enabled WFH Super kit with Wireless Charging"

Synology HAT5300-12T 12TB 3.5" SATA HDD Gateways the PM200 Expansion Module addsSynology HAT5300 12TB 3. 5" 7200rpm SATA HDD; Designed for 24 7 environments. 2. 5 million hours MTTF, up to 550 TB per year workload. Up to 274 MB s sustained data transfer, Up to 23% faster sequential read in Synology NAS. Automatic firmware updates with DSM