Voice over IP (VoIP) and Unified Communications Solution

The agency is seeking a complete turnkey Voice over IP (VoIP) and Unified Communications solution to modernize its communications infrastructure. The selected vendor must handle full deployment, configuration, SIP trunk services, telephone number porting, migration planning, cutover coordination, testing, validation, post-implementation support, and IP desk phone deployment. The proposed system must support a minimum of thirty concurrent SIP call sessions, scalable SIP channel capacity, all existing DID ranges, E911 compliance, and failover and redundancy capabilities. The required system features include multi-level auto attendants, workgroups, hunt groups, route points, shared departmental lines, call queues, simultaneous and sequential ringing, call forwarding, and find-me/follow-me functionality. The agency also requires messaging and fax capabilities, including voicemail, voicemail-to-email, unified messaging, and eFax functionality. Client applications must support desktop softphones, mobile applications for iOS and Android, presence indicators, and remote worker support. Administrative requirements include a web-based portal, role-based access control, real-time reporting, call detail records, call quality monitoring, and system health dashboards. The resulting contract will span a five-year period. Eligible bidders must be onshore United States organizations. The agency requires all performance of the work to take place offsite. Bidders must submit proposals digitally via email or online, and the agency is currently looking for proposal submissions to determine the budget. All questions regarding this opportunity must be submitted no later than June 26, 2026.