Binatone iDECT L1i System - Switch Calls Between an External Call and an Internal Call; Make a 3-Way Conference Call

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4.11.3 Switch calls between an external call and an internal call
During an external call:
1. Follow steps 1 to 3 in section 4.11.1 .
2. The external call is put on hold automatically and the called handset
rings.
3. Press <Talk> / <SPEAKERPHONE> / [Accept] on the called
handset to establish an internal call.
4. Press <Int> on the calling handset to switch between the external call
and the intercom call, while keeping the other on hold.
4.11.4 Make a 3-way conference call
The conference call feature allows one external call and two handsets to
share a conversation and no additional network subscription is required.
During an external call:
1. Follow Steps 1 to 3 in section .4.11.2.
2. Press and hold <Int> to establish the 3-way conference.
Any handset that hangs up during a conference call will leave the other
handset still in connection with the external call.