City RFP - Enterprise SIP Trunking, PSTN, Numbering and 911 Services

The City of Stamford is seeking a qualified vendor to provide enterprise‑level SIP trunking, traditional PSTN, telephone number management, and 911 emergency call services for municipal operations. The scope includes design, implementation, ongoing management, and support of a converged voice communications platform that integrates with existing IT infrastructure, ensures regulatory compliance for emergency services, and provides reliable, scalable voice connectivity for all city departments. No pre‑proposal meeting or deposit is required; all solicitation documents are available online, and questions must be submitted electronically through the ProcureWare clarification system. • Deliver SIP trunking services (voice over IP) for city‑wide telephony. • Provide PSTN termination, number provisioning, and 911 call routing. • Manage integration with existing on‑premise PBX/VoIP systems. • Offer ongoing support, maintenance, and performance monitoring. • Ensure compliance with FCC and state 911 regulations. • Submit a full technical and cost proposal by the (unspecified) deadline.