The County of San Joaquin is seeking a vendor to provide a Microsoft Teams-based, cloud-hosted, Voice over Internet Protocol (VoIP) unified communications and contact center solution. The solution must support centralized administration, inter-site dialing, directory services, advanced PBX features, and other features. The vendor will work with the County Information Systems Division to implement the proposed solution, which must be completed by June 30, 2026. Key requirements include supporting California Health Care facilities requirements, providing role-based access control, and integrating with existing systems such as Microsoft Teams and Zscaler. • The solution must be a 100% cloud-based UCaaS using Microsoft Teams Voice. • The vendor must have experience designing and implementing comprehensive Contact Center solutions. • The vendor must provide a description of the Unified Communications Solution and upload relevant diagrams. • The vendor must confirm their ability to source all relevant Zscaler hardware and describe their experience with wide-area-networks. • The vendor must provide a list and proposed timeline of all major implementation milestones and upload a sample implementation plan. • The vendor must confirm that their proposed system is equipped to support hospitals and meets California Code of Regulations Title 22 and Title 24.