The two primary phases in managing Voice Over Internet Protocol (VOIP) in Odoo are selecting a reliable VoIP service provider and integrating it with the Odoo platform. Configuration comprises setting up login details and connection parameters for seamless communication. Features like customer communication, sales calls, and support calls can be readily implemented in Odoo 18. Automation capabilities streamline processes by enabling the logging of calls, the creation of follow-up actions, and the updating of customer data. The smooth operation and maintenance of the integrated voice-over IP system in Odoo 18 are ensured by regular monitoring, adherence to security procedures, and professional assistance.