The paper analyses SIP delay during the session establishment signaling process in the IMS. The delays are studied for 4 end-to-end scenarios: WiMAX /WiMAX, UMTS/UMTS, UMTS/WiMAX and WiMAX/UMTS.
The paper analyses SIP delay during the session establishment signaling process in the IMS. The delays are studied for 4 end-to-end scenarios: WiMAX /WiMAX, UMTS/UMTS, UMTS/WiMAX and WiMAX/UMTS. (en)