The Cat® B35 can allow you to create a third call connection during a call.
Enabling Conference Calling
1. During your call with the first participant, press Right Soft Key (Options) > select Add call.
2. You can either enter the phone number of the third participant or press the Right Soft Key (Contacts) to select a contact from your Contact list. The first call will be automatically placed on hold.
3. To create a conference call, press the Right Soft Key (Options) > Merge calls.
4. To end the conference call, press End.
Note: This feature is network dependent.