• Assume that call party A and B are in a conversation. A wants to add C to the conference.
  • Party A dials “*77” to hold the party B, when hear the dial tone, A dial C’s number, then party A and party C are in conversation.
  • Party A dials “*88” to add C, then A and B, and C will be in a conference.
Author:admin  Create time:2023-11-14 11:40
Last editor:admin  Update time:2024-01-03 16:20