To Make A Three Way Conference Call - Steren TEL-610 Manual De Instrucciones

12.- To make a three way conference call

1. During an external call, press INT. Your caller is put on hold.
2. Enter the number of the handset you want to call or press to ring
all handsets. If there are only two handsets, the other handset is called
automatically.
3. When the other handset answers, announce the call then press and hold
INT to connect both calls. If the other handset does not answer, press INT
to talk to your caller again.
4. Press to hang up.
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