Entities for providing an external service to a network

A method for consuming a service provided by an external network entity, the method comprising:

• sending, by a second network entity, a first transfer request to a first network entity, wherein the first transfer request includes first service traffic;
• receiving, by the second network entity, a fourth transfer request from the first network entity, wherein the fourth transfer request includes second service traffic;
• obtaining, by the second network entity, a second registration information from the first network entity, wherein the second registration information includes profile information based on a profile of the external network entity;
• and
• providing, by the second network entity, a first registration response to the first network entity.

A computer program product comprising non-transitory computer readable storage medium, wherein the non-transitory computer readable storage medium comprises instructions, which when executed by a computer, cause the computer to:

• receive a first transfer request from a second network entity, wherein the first transfer request includes first service traffic;
• send a second transfer request to an external network entity, wherein the second transfer request includes the first service traffic;
• obtain a first registration information of the external network entity, wherein the first registration information includes a profile of the external network entity;
• provide a second registration information to the second network entity, wherein the second registration information includes profile information based on the profile of the external network entity;
• obtain a first registration response from the second network entity;
• and
• provide a second registration response to the external network entity.