IP Relay Service (Internet Protocol Relay Service)

A call center service similar to VRS (Video Relay Service) that provides a third-party communications relay between Internet texting users (mobile or stationary) and voice telephone users.


 * NENA-INF-013, NENA Video Relay Service &amp; IP Relay Service PSAP Interaction Information Document
 * NENA-STA-010, Detailed Functional and Interface Standards for the NENA i3 Solution