Gonzalo Camarillo, Adam Roach, Jon Peterson, Lyndon Ong. Integrated Services Digital Network (ISDN) User Part (ISUP) to Session Initiation Protocol (SIP) Mapping. RFC, 3398:1-68, December 2002. [doi]
@article{rfc3398,
title = {Integrated Services Digital Network (ISDN) User Part (ISUP) to Session Initiation Protocol (SIP) Mapping},
author = {Gonzalo Camarillo and Adam Roach and Jon Peterson and Lyndon Ong},
year = {2002},
month = {December},
doi = {10.17487/RFC3398},
url = {https://doi.org/10.17487/RFC3398},
researchr = {https://researchr.org/publication/rfc3398},
cites = {0},
citedby = {0},
journal = {RFC},
volume = {3398},
pages = {1-68},
}