7.7.17 NSAPI
29.0603GPPGeneral Packet Radio Service (GPRS)GPRS Tunnelling Protocol (GTP) across the Gn and Gp interfaceRelease 17TS
The NSAPI information element contains an NSAPI identifying a PDP Context in a mobility management context specified by the Tunnel Endpoint Identifier Control Plane.
The spare bits x indicate unused bits, which shall be set to 0 by the sending side, and the receiving side shall not evaluate them.
Figure 25: NSAPI Information Element