7.13 Clock accuracy

26.1313GPPRelease 18RequirementsTerminal acoustic characteristics for telephonyTS

For MTSI-based speech-only with LTE, NR or WLAN access, the clock skew in send direction between the device under test and the reference client should be less than 50 PPM (in absolute value) in error-free conditions.

Compliance shall be checked by the relevant test described in TS 26.132.