4 Applicability

04.633GPPPacket Data on Signalling channels Service (PDS) Service Description, Stage 3TS

Support of the PDSS1 protocol is optional in the mobile station and in the network. Support of the PDSS2 protocol is optional in the mobile station and in the network.

If a mobile station supports the PDSS1 protocol, it must support it on both the main and the slow associated data link.