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1.4 Limitations
Since the RTX725x series covers 3 different headsets, one of them (RTX7251) will not be covered in detail in
this document. However, in general, it follows the same specification as the RTX7252. More details about the
different headsets can be seen in the beginning of the document.
Furthermore, the paper is not intended as a comprehensive reference to details and specific steps on how to
configure other vendor specific components/devices. For such a reference to vendor specific devices, please
contact the respective vendor for documentation.
1.5 Abbreviations
For this document, the following abbreviations hold:
DECT: Digital Enhanced Cordless Telecommunications
MWI: Message Waiting Indicator
PCBA: PCB Assembled
MFB: Multi-Function Button
BT: Bluetooth
1.6 References/Related Documentation
PC tool
VoIP System guide
1.7 Document History
Updated descriptions on 4.3. Physical buttons on headset.
7.3 Hybrid functionality
8. RTX725x Operations
9.4 Settings menu on RTX745x
Updated operating conditions and charge stop temperature in 13. Appendix B
15.EHS&DHSG API
16. Appendix D: Call Control Action and Call State Table between BT and DECT
1.9 Documentation Feedback
We always strive to produce the best and we also value your comments and suggestions about our
documentation. If you have any comments about this guide, please enter them through the Feedback link on
the RTX website. We will use your feedback to improve the documentation.