Cullen Jennings, Kumiko Ono, Robert Sparks, Brian Hibbard. Example Call Flows Using Session Initiation Protocol (SIP) Security Mechanisms. RFC, 6216:1-67, April 2011. [doi]
@article{rfc6216,
title = {Example Call Flows Using Session Initiation Protocol (SIP) Security Mechanisms},
author = {Cullen Jennings and Kumiko Ono and Robert Sparks and Brian Hibbard},
year = {2011},
month = {April},
doi = {10.17487/RFC6216},
url = {https://doi.org/10.17487/RFC6216},
researchr = {https://researchr.org/publication/rfc6216},
cites = {0},
citedby = {0},
journal = {RFC},
volume = {6216},
pages = {1-67},
}