Rohan Mahy, Brian Rosen, Hannes Tschofenig. Filtering Location Notifications in the Session Initiation Protocol (SIP). RFC, 6447:1-19, January 2012. [doi]
@article{rfc6447, title = {Filtering Location Notifications in the Session Initiation Protocol (SIP)}, author = {Rohan Mahy and Brian Rosen and Hannes Tschofenig}, year = {2012}, month = {January}, doi = {10.17487/RFC6447}, url = {https://doi.org/10.17487/RFC6447}, researchr = {https://researchr.org/publication/rfc6447}, cites = {0}, citedby = {0}, journal = {RFC}, volume = {6447}, pages = {1-19}, }