SOAP method by SPP client to initiate credential provisioning, to initiate subscription remediation or to initiate the updating of subscription or policy information. This list must include version 1.0 to ensure version negotiation can always succeed. For vendor-specific extensions or future needs. Reason the mobile device has transmitted this SPP request. redirectURI generated by the mobile device which resolves to a resource internal to the mobile. At the conclusion of user input, a Subscription Server redirects the browser to this URI thereby signaling the mobile device's connection manager to continue with the SPP message exchange sequence. SOAP method response from SPP server. Receipt of this element by a mobile device causes the following command to be executed. When the mobile device receives this command, it launches its default browser to the URI contained in this element. The URI must use HTTPS as the protocol and must contain an FQDN. Command to mobile to re-negotiate the TLS connection using a client certificate of the accepted type or Issuer to authenticate with the Subscription server. The issuer name of an acceptable provider-issued certificate. The text of this element is formatted in accordance with the Issuer Name field in RFC-3280. This element is present only when acceptProviderCerts is true. When this boolean is true, IEEE 802.1ar manufacturing certificates are acceptable for mobile device authentication. When this boolean is true, X509v3 certificates issued by providers identified in the providerIssuerName child element(s) are acceptable for mobile device authentication. Command to mobile to upload the MO named in the moURN attribute to the SPP server. Element to allow the addition of new commands in the future. This command causes an management object in the mobile devices management tree at the specified location to be added. If there is already a management object at that location, the object is replaced. This command causes the update of an interior node and its child nodes (if any) at the location specified in the management tree URI attribute. The content of this element is the MO node XML. This response is used when there is no command to be executed nor update of any MO required. For vendor-specific extensions or future needs. SOAP method used by SPP client to confirm installation of MO addition or update. SOAP method used by SPP server to end session. Command to mobile to initiate certificate enrollment or re-enrollment and is a container for metadata to enable enrollment. HTTPS URI of the server to be contacted to initiate certificate enrollment. The URI must contain an FQDN. Temporary userid used by an EST client to authenticate to the EST server using HTTP Digest authentication. This element must be used for initial certificate enrollment; its use is optional for certificate re-enrollment. Temporary password used by an EST client to authenticate to the EST server using HTTP Digest authentication. This element must be used for initial certificate enrollment; its use is optional for certificate re-enrollment. For vendor-specific extensions or future needs. Error response. Subscription Provisioning Protocol version number. Subscription Provisioning Protocol response status code. Session ID provided by the SPP server in a sppPostDevDataResponse method, used to bind messages belonging to the same client to server message exchange sequence. This facilitates the use of multiple TLS tunnels and/or TCP connections in such an exchange. Used in the server to client direction to specify the OMA-DM's management object location in the device's management tree. When this boolean is true, the mobile device must send another sppPostDevData message after the completion of the current command to retrieve an additional command.