@incollection{Wang11,
author = {Harold Zheng and Sherry Wang},
title = {Reliable Session Initiation Protocol},
booktitle = {VoIP Technologies},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Shigeru Kashihara},
chapter = {12},
doi = {10.5772/14414},
url = {https://doi.org/10.5772/14414}
}