Gonzalo Camarillo, Adam B. Roach, Orit Levin. Subscriptions to Request-Contained Resource Lists in the Session Initiation Protocol (SIP). RFC, 5367:1-9, October 2008. [doi]
@article{rfc5367, title = {Subscriptions to Request-Contained Resource Lists in the Session Initiation Protocol (SIP)}, author = {Gonzalo Camarillo and Adam B. Roach and Orit Levin}, year = {2008}, month = {October}, doi = {10.17487/RFC5367}, url = {https://doi.org/10.17487/RFC5367}, researchr = {https://researchr.org/publication/rfc5367}, cites = {0}, citedby = {0}, journal = {RFC}, volume = {5367}, pages = {1-9}, }