According to the Jabra website, the headset has the following Bluetooth standards:
- Bluetooth version: Bluetooth® 5.0
- Bluetooth profiles: HSP V1.2, HFP V1.7, A2DP V1.3, AVRCP V1.6, PBAP V1.1, SPP V1.2
- Range: Up to 30m
- Bluetooth pairing list: Up to 8 terminals
- Simultaneous Bluetooth connections: 2
According to Jabra, more than 10,000 conventional landline phones are compatible. In Jabra's compatibility overview you can select the Gigaset brand and see which desk phones are suitable:
https://www.jabra.com.de/compatibil...