Patent ID: 7890119

Claim:
A method comprising: receiving into a positioning system a request for location of a mobile station; in response to the request, making a determination, based on one or more factors, of whether to obtain mobile station location data through control plane signaling or user plane signaling; if the determination is to obtain the mobile station location data through control plane signaling, then engaging in control plane signaling to obtain the mobile station location data; and if the determination is to obtain the mobile station location data through user plane signaling, then engaging in user plane signaling to obtain the mobile station location data, wherein the one or more factors comprises mobile station capability, and wherein making the determination based on the one or more factors comprises (i) consulting a device capabilities store to determine whether a mobile station at issue supports user plane signaling, (ii) if the mobile station supports user plane signaling then making the determination to employ user plane signaling, and (iii) if the mobile station does not support user plane signaling then making the determination to employ control plane signaling.