Translation of "initial call" into French

Phrases similar to "initial call" with translations into French

• identification and recording, without human intervention, of the telephone number of the line initiating call
  identification et enregistrement, sans intervention humaine, du numéro de téléphone de la ligne de départ d'un appel
• call initiation
  lancement d'un appel
• initiate a call
  lancer un appel