SIP Call Flow Engineering & Integration Support

The contract entails comprehensive technical engineering support for SIP-based telephony systems, focusing on the design and implementation of call routing architectures, interoperability with the Defense Switched Network, and seamless integration with commercial telephony carriers. This work requires deep expertise in session initiation protocol environments to ensure secure, reliable, and scalable voice communications across military and civilian networks. The engineering efforts must address protocol compatibility, signaling optimization, and network resilience to meet mission-critical communication standards. The subcontract falls under NAICS code 541330 for engineering services and is managed by the Department of Defense’s Telecommunications Division HC1013. Although the place of performance and point of contact details are unspecified, the work is expected to support defense communications infrastructure through advanced SIP system integration. The contract was posted on July 29, 2026, and is structured as a subcontract with no set-aside classification, indicating open competition among qualified technical providers. Successful performance will depend on demonstrated capability in secure telephony systems and direct experience with DoD communication networks and commercial carrier interfaces.