Please see button mapping on your phone here - Dial the 1st party to establish the 1st call. (Do NOT place the call on hold.)
- Press the "Conf" button to open a new line. (This puts the first call on hold.)
- Dial the 2nd party to establish the 2nd call.
- Press the "Conf" button again to join the 2 calls into a single conference call.
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