( < user adaptation layer,
"kasutaja sobituse kiht")

olemus
sobitusprotokoll, eelkõige süsteemis SIGTRAN
=
an internet protocol part of the SS7 SIGTRAN protocol stack and it was created to provide remote processing for SS7 layer 3 messages

ülevaateid
https://docs.yate.ro/wiki/M2PA_VS_M2UA

http://www.zytrax.com/tech/ss7/sigtran_intro.html#m2ua

https://en.wikipedia.org/wiki/SIGTRAN

https://www.eetimes.com/understanding-the-sigtran-protocol-suite-a-tutorial/

http://www.openss7.org/sigtran05.html

standard
https://tools.ietf.org/html/rfc3331