@incollection{Sisalem12,
author = {Wagdy Anis Aziz and Dorgham Sisalem},
title = {Design and Analysis of IP-Multimedia Subsystem (IMS)},
booktitle = {Mobile Networks},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Jesus Hamilton Ortiz},
chapter = {5},
doi = {10.5772/37755},
url = {https://doi.org/10.5772/37755}
}