We have tried his command in both EC20 and EC200U with Same SIM Card
EC20 Response
+CGCONTRDP: 1,5,jionet,36.9.64.242.16.40.43.29.128.0.0.0.0.0.0.0, 254.128.0.0.0.0.0.0.138.233.164.255.254.28.253.200, 36.5.2.0.8.0.0.0.0.0.0.0.0.0.0.17, 36.5.2.0.8.0.0.0.0.0.0.0.0.0.0.17
EC200U response:
+CGCONTRDP: 1,5,"jionet.mnc861.mcc405.gprs","254.128.0.0.0.0.0.0.128.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0"