CPC H04W 12/08 (2013.01) [H04L 61/3025 (2013.01); H04L 63/0281 (2013.01); H04W 84/042 (2013.01)] | 12 Claims |
1. An apparatus comprising:
at least one processor;
at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to:
receive, in a service-producing first network entity in a first mobile network, a first message from a service-consuming second network entity in a second mobile network, the first message comprising a first callback resource identifier,
generate, in the service-producing first network entity, a second callback resource identifier on the basis of the first callback resource identifier, wherein the second callback resource identifier includes a domain name of a security edge node in the first network, and
send a callback message from the service-producing first network entity to the security edge node, the callback message comprising the second callback resource identifier.
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