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Example 5: 3-Way Conference Call, Call Transfer, Call Waiting, Hold
Applications:
The Call Transfer and 3-Way Conference Call applications are for calls among Parties A, B, and C.
Three parties are registered to SIP server with either fixed real IP or private IP.
kinds of call transfer; Blind Transfer and Attendant Transfer.
Blind Transfer:
1. Party A calls Party B.
2. While in conversation, Party B may press
3. Party B press
Attendant Transfer:
1. Party A calls Party B.
2. While in conversation, Party B may press
3. Party B press
4. Hang up from Party B, and then Party A will transfer and connect to Party C.
3-Way Conference Call:
1. Party A calls Party B.
2. While in conversation, Party B may press
tone.
3. Party B calls Party C.
4. While in conversation, Party may press
Call Waiting Application:
When a new call is coming while you are talking, you will hear an interrupt "dodo" tone and you can
press
Hold
previous call.
Call Hold Application:
You may press
conversations.
[Party C number] #
[Party C number] #
key to answer the new incoming call.
Hold
key to hold the current call for a while, then press
Transfer
key, and should hear a dial tone.
and hang up to transfer to Party C.
Transfer
key, and should hear a dial tone.
and talk to Party C.
Hold
key to hold the call, and should hear a dial
Conf.
key to join in Party A for three-way conference.
You may press
58
There are two
Hold
key to switch back to the
Hold
key again to resume
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