A method for a user agent to access a session policy in a network is provided. The method comprises the user agent sending a registration message to a first network node. The method further comprises the user agent receiving policy-related information from the first network node in a response to the registration message. The policy-related information is one of the session policy, a Uniform Resource Locator that points to the session policy, and a Policy-Contact header containing a policyContactURI for a policy document.