Buen Dia, Si tienen tiempo, recomiendo darle lectura a: - 'Locating Session Initiation Protocol (SIP) Servers in a Dual-Stack IP Network' to Proposed Standard (draft-ietf-sipcore-dns-dual-stack-08.txt) https://datatracker.ietf.org/doc/draft-ietf-sipcore-dns-dual-stack/ SALUDOS _______ Azael