Glossary

Duplex Connection with Semi-automatic Call Acceptance

For a duplex connection with semi-automatic call acceptance, a connection request is not automatically established if the line is free. The calling subscriber can speak immediately. The called subscriber must press a key first to answer the call. Then, both subscribers can communicate with each other in duplex mode (they can speak and listen simultaneously).

See also:
Duplex Connection
Duplex Connection with Automatic Call Acceptance
Duplex Connection with Manual Call Acceptance
   

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