The cisco-WAN-3G mib worked for me before this newest IOS of 15.2(4)M2 I'm using 15.1(4)M4 and able able to get SS from device.Get signal Strength.1.3.6.1.4.1.9.9.661.1.3.4.1.1.1.18Get phone #.1.3.6.1.4.1.9.9.661.1.3.1.1.4.18Get SIM.1.3.6.1.4.1.9.9....
