LwM2M Server 1 urn:oma:lwm2m:oma:1:1.2 1.2 1.2 Multiple Mandatory Short Server ID R Single Mandatory Integer 1..65534 Lifetime RW Single Mandatory Integer s Default Minimum Period RW Single Optional Integer s Default Maximum Period RW Single Optional Integer s Disable E Single Optional Disable Timeout RW Single Optional Integer s Notification Storing When Disabled or Offline RW Single Mandatory Boolean Binding RW Single Mandatory String Registration Update Trigger E Single Mandatory Bootstrap-Request Trigger E Single Optional APN Link RW Single Optional Objlnk TLS-DTLS Alert Code R Single Optional Unsigned Integer 0..255 Last Bootstrapped R Single Optional Time Registration Priority Order R Single Optional Unsigned Integer Initial Registration Delay Timer RW Single Optional Unsigned Integer s Registration Failure Block R Single Optional Boolean Bootstrap on Registration Failure R Single Optional Boolean Communication Retry Count RW Single Optional Unsigned Integer Communication Retry Timer RW Single Optional Unsigned Integer s Communication Sequence Delay Timer RW Single Optional Unsigned Integer s Communication Sequence Retry Count RW Single Optional Unsigned Integer Trigger RW Single Optional Boolean Preferred Transport RW Single Optional String The possible values are those listed in the LwM2M Core Specification Mute Send RW Single Optional Boolean Alternate APN Links RW Multiple Optional Objlnk Supported Server Versions RW Multiple Optional String Default Notification Mode RW Single Optional Integer 0..1 Profile ID Hash Algorithm RW Single Optional Unsigned Integer 0..255