User manual

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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. There are two
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 Transfer key, and should hear a dial tone.
3. Party B press [Party C number] # and hang up to transfer to Party C.
Attendant Transfer:
1. Party A calls Party B.
2.
While in conversation, Party B may press Transfer key, and should hear a dial tone.
3. Party B press [Party C number] # and talk to Party C.
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 Hold key to hold the call, and should hear a dial tone.
3. Party B calls Party C.
4.
While in conversation, Party may press Conf. key to join in Party A for three-way conference.
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 key to answer the new incoming call. You may press Hold key to switch back to the
previous call.
Call Hold Application:
You may press Hold key to hold the current call for a while, then press Hold key again to resume
conversations.