34 General Specifications TM9400 Specifications Manual
© Tait Limited November 2016
P25 Phase 1 and Phase 2 Features
P25 Phase 2 is an extension of P25 Phase 1. A Phase 2 radio can still use
the less spectrally-efficient Phase 1 features.
P25 Phase 1 P25 Phase 2
Standard Unit-to-unit call ✔✔
PSTN calls ✔✔
a
Supplementary messages ✔✔
Group call ✔✔
Emergency ✔✔
Pre-emption limited ✔
Encryption ✔✔
Motorola-specific Dynamic regrouping ✔✔
Supergroup ✔✔
a. Available but not field-tested at the time of publication.