Section: O.4.4 IM Status
Content: The purpose of the IM Status is to provide information about the IMS capability and registration state of a specific public user identity and it MS. NOTE: The definition of what is a public user identity can be found in 3GPP TS 23.003[ Numbering, addressing and identification ]  [10]. The IM Status information element is coded as shown in figure O.5/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ]  and table O.5/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] . The IM Status is a type 1 information element with 1 octet length. Figure O.5/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ]  IM Status contents Table O.5/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] : IM Status contents