什么是三方通话哪位大虾能帮我翻译这段话,是关于三方通话的：[PhoneinIDLEstate](Setaside1phone)[Connect](No.2incomingphonecall,receivedinstructionsRING)(No.1tokeepthephone,answerthenewcall)[No.1inmaintainin

Question

什么是三方通话
哪位大虾能帮我翻译这段话,是关于三方通话的：
[Phone in IDLE state]
(Set aside 1 phone)
[Connect]
(No.2 incoming phone call,received instructions RING)
(No.1 to keep the phone,answer the new call)
[No.1 in maintaining the status of the phone,and the No.2 local phone call in the state]
(To maintain the telephone to join the talks)
[1,2 of the machine with the first phone call to the formation of 3]
(No.3 incoming phone call,received instructions RING)
(Keep the first 1,2 phone calls to answer new)
[1,2 remain in the state of the phone,the machine with the No.3 phone calls in the state]
(To maintain the telephone to join the talks)
[1,2,3 the machine with the first phone call to the formation of 4]
...
6 to repeat the call to the largest
(The release of all phones)

Answer 1

[手机空闲状态]
(电话),留出1
[连接]
(2号进料电话,接到指示环).
(第1号保持电话,回答了新的电话).
[1号在维持现状的电话,和2号本地电话在该州]
(保持电话加入和谈).
[1号、2号机和第一通电话来形成3]
3次.打电话,接到指示环).
(第一个1、2电话来回答新).
[1,2留在这个国家的电话,这台机器的3号,电话在该州]
(保持电话加入和谈).
[1、2、3机器第一通电话来形成4】
……
6重复呼叫到最大的
(释放所有的电话).