Pcrn home network identity

A system for determining the home network of a subscriber, the system comprising:

• a policy and charging rules node (PCRN) configured to process a session establishment request, the PCRN comprising:
• a home network identity storage including at least one network identifier and at least one emergency access point name (APN);
• an interface configured to receive a message requesting service for a subscriber;
• and
• a home subscriber manager configured to determine that the message is to be processed locally if a subscription identifier of the message matches the at least one network identifier or the called station identifier of the message matches the at least one emergency APN.

A tangible and non-transitory machine-readable storage medium encoded with instructions thereon for execution by a network element of a telecommunication network, wherein said tangible and non-transitory machine-readable storage medium comprises:

• instructions for defining a home network identity including at least one network identifier used by the home network and at least one emergency access point name (APN);
• instructions for receiving a session establishment request;
• instructions for comparing a called station ID of the session establishment request with the at least one emergency APN of the home network identity;
• instructions for comparing a subscription ID of the session establishment request with the at least one network identifier;
• and
• instructions for determining that the subscriber is a subscriber of the home network, and instructions for fulfilling the session establishment request if either the called station ID matches an emergency APN or the subscription ID matches a network identifier.