Section: 9.5.9.3 Protocol configuration options
Content: This IE is included in the message when the network wishes to transmit (protocol) data (e.g. configuration parameters, error codes or messages/events) to the MS and the extended protocol configuration options IE is not supported by both the MS and the network end-to-end for the PDN connection (see subclause 6.1.3.7). This IE is also included to indicate the selected Bearer Control Mode to be applied when the extended protocol configuration options IE is not supported by the MS or the network or both end-to-end for the PDN connection (see subclause 6.1.3.7).