3.1.4.3.2 Sending an Open Command

The higher-layer MUST supply the OutboundAddressingEntry for the session. The sending device MUST set the ResourceURL, IdentityURL and DeviceURL fields of the Open command to the values provided by the higher-layer<13>. It is valid to specify the DeviceURL field as the empty string (0x00) to indicate an identity-targeted session.

Upon sending the Open command, the sender’s session MUST be set to the ‘connecting’ state.