ShieldIT Desktop IP Phone is an enterprise-grade encrypted voice communication solution built on Yealink desktop IP phones pre-configured with ShieldIT licensing and integrated into the CryptoSwitch system. Each device is assigned a unique extension number (Assac number) that serves as its secure identifier within the network, enabling authentication and tracking of secure communications. Core capabilities include: - End-to-end encrypted voice calls with point-to-point protection at both access and switch levels - Two-way user authentication to verify communication between parties - Integration with the CryptoSwitch server-based VoIP architecture - Support for encrypted calls, conference calls, and secure calls to landlines (VoIP-to-PSTN) - Creation and management of exclusive secure communication groups - Support for secure text messages in addition to voice communications The system architecture allows connection to external networks, integration with mobile phones and PC clients, and access to exclusive communication groups. The solution is targeted at enterprises, governments, defense organizations, and service providers requiring secured communications infrastructure.