Section: 9.11.3.88 ProSe relay transaction identity
Content: The purpose of the ProSe relay transaction identity (PRTI) information element is to uniquely identify an authentication and key agreement procedure for 5G ProSe UE-to-network relay or 5G ProSe UE-to-UE relay. The PRTI allows distinguishing up to 254 different bi-directional messages. The ProSe relay transaction identity information element is coded as shown in figure 9.11.3.88.1 and table 9.11.3.88.1. The ProSe relay transaction identity is a type 3 information element with a length of 2 octets. Figure 9.11.3.88.1: ProSe relay transaction identity information element Table 9.11.3.88.1: ProSe relay transaction identity information element