Primayer PrimeLog - 2.2 Appendix 2: Specifications; Specifications Overview

Appendices
PrimeLog User Manual
21
Primayer cannot guarantee that the modem will operate correctly under all possible conditions when connected to compatible PABX equipment. Any cases
of difficulty should be reported directly to Primayer.
These modems may not be connected to PABX systems which do not have a BT431A compatible socket connection.