• During a call connection, party A pressing the “*77” to put the call on hold, then part A will hear the dial tone and the party B will hear hold tone at the same time.
  • Party A pressing the “*77” again to release the previously hold status and resume the bidirectional media.
Author：admin  Create time：2023-11-14 11:37
Last editor：admin  Update time：2024-01-03 16:20