@incollection{,
	
					
					
					8FB5E5966D736AA28592CA439D318251
				,
	author={{saruchi kukkar} and {Lovely Professional University}},
	journal={{Global Journal of Computer Science and Technology}},
	journal={{GJCST}}0975-41720975-435010.34257/gjcst,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}12121121
}

@incollection{b0,
	
	
		,
	title={{A Comprehensive Survey of Voice over IP Security Research}}
		,
	author={{
			DAngelos
		} and {
			Keromytis
		}}
		
	
	
		,
	journal={{A Mobile Service Architecture for improving Availability and Continuity}}
		,
	editor={Shahniza,Kamal Bashah, Tore Jonvik & Do van Thanh}
		
			,
	year={2011. 2010}
			,
	publisher={IEEE}
		
	

}

@book{b1,
	
	
		,
	title={{Study of SIP Protocol Through VOIP Solution of Asterisk}}
		,
	author={{
			LuTian
		} and {
			NicolasDailly
		} and {
			QiaoQiao
		} and {
			JihuaLu1
		} and {
			JiannanZhang
		} and {
			JingGuo
		} and {
			Ji'aoZhang
		}}
		
		
		
		
		
		
		
			,
	year={2010}
			,
	publisher={IEEE}
		
	

}

@incollection{b2,
	
	
		,
	title={{Practical Implementations for Securing VOIP Enabled Mobile Devices}}
	
	
		,
	booktitle={{Third International Conference on Network and System Security -IEEE}}
				,
	editor={
			ChanYeob Yeun
			Salman Mohammed Al-Marzouqi
		}
		
			,
	year={2009}
		
	

}

@incollection{b3,
	
	
		,
	title={{The study of the SIP for the VOIP}}
		,
	author={{
			Chung-HsinLiu
		} and {
			Chun-LinLo
		}}
		
	
	
		,
	booktitle={{Fifth International Joint Conference on INC, IMS and IDC}}
				
			,
	year={2009}
		
	

}

@incollection{b4,
	
	
		,
	title={{Research on Security Mechanisms of SIP-based VOIP System}}
		,
	author={{
			LianchengShan
		} and {
			NingJiang
		}}
		
	
	
		,
	booktitle={{Ninth International Conference on Hybrid Intelligent Systems-IEEE}}
				
			,
	year={2009}
		
	

}

@book{b5,
	
	
		,
	title={{Encrypted Voice Calls with IP enabled Wireless Phones over GSM/ CDMA/ WiFi Networks}}
		,
	author={{
			AMohammed
		} and {
			RobinQadeer
		} and {
			SarvatKasana
		} and {
			Sayeed
		}}
		
		
		
		
			,
	year={2009}
		
		
			Computer Engineering and Technology
		
	

}

@incollection{b6,
	
	
		,
	title={{A Comparative Study of VOIP Standards with Asterisk}}
		,
	author={{
			PabloMontoro
		} and {
			EduardoCasilari
		}}
		
	
	
		,
	booktitle={{Fourth International Conference on Digital Telecommunications-IEEE}}
				
			,
	year={2009}
		
	

}

@incollection{b7,
	
	
		,
	title={{An Introduction to Standards-Based VOIP: SIP, RTP, and Friends}}
		,
	author={{
			TZourzouvillys
		} and {
			Rescorla
		}}
		
	
	
		,
	journal={{Internet Computing}}
		
			,
	year={2009}
			,
	publisher={IEEE}
		
	

}

@book{b8,
	
	
		,
	title={{Voice Communication over GGSN/SGSN}}
		,
	author={{
			Ahmad Ali Habeeb ;Mohammed
		} and {
			AQadeer
		} and {
			ShamshirAhmad
		}}
		
		
		
			,
	year={2007}
			,
	publisher={IEEE}
		
	

}

@book{b9,
	
	
		,
	author={{
			PThermos
		} and {
			ATakanen
		}}
		
		,
	title={{Securing VOIP Networks: Threats, Vulnerabilities, and Countermeasures}}
				
			,
	publisher={Addison-Wesley Professional USA}
			,
	year={2007}
		
	

}

@book{b10,
	
	
		,
	title={{Privacy Of Encrypted Voice-Over-IP}}
		,
	author={{
			TuneeshLella
		} and {
			Riccardo
		}}
		
		
			,
	year={2007}
			,
	publisher={IEEE}
		
	

}

@book{b11,
	
	
		,
	title={{Security Considerations for Voice Over IP Systems}}
		,
	author={{
			DRKuhn
		} and {
			TJWalsh
		} and {
			SFries
		}}
		
		
		
			,
	year={2005}
			,
	address={Gaithersburg, MD USA}
		
		
			National Institute of Standards and Technology
		
	

}

@incollection{b12,
	
	
		,
	title={{A Comparative study of the SIP and IAX VOIP protocols}}
		,
	author={{
			TAbbasi
		} and {
			SPrasad
		} and {
			NSeddigh
		} and {
			ILambadaris
		}}
		
		
		
	
	
		,
	booktitle={{Proc.of Canadian Conference on Electrical and Computer Engineering}}
				.of Canadian Conference on Electrical and Computer Engineering
		
			,
	year={2005}
		
	

}

@book{b13,
	
	
		,
	title={{A Distributed Key-Changing Mechanism for Secure Voice Over IP (VOIP) Service}}
		,
	author={{
			Chia-HuiWang
		} and {
			Mei-WenLi
		} and {
			WanjiunLian
		}}
		
		
		
			,
	year={2003}
			,
	publisher={IEEE}
		
	

}

@incollection{b14,
	
	
		,
	title={{Performance of VOIP over GPRS}}
		,
	author={{
			QShen
		}}
	
	
		,
	booktitle={{Advanced Information Networking and Applications 17th International Conference, 17. Goode, AT&T Labs and Weston}}
				
			,
	year={2003. 2002}
		
	
	,
	note={Voice over Internet protocol (VOIP). IEEE}

}

@book{b15,
	
	
		,
	title={{SIP: Session Initiation Protocol}}
		,
	author={{
			JRosenberg
		} and {
			HSchulzrinne
		} and {
			GCamarillo
		} and {
			AJohnston
		} and {
			JPeterson
		} and {
			RSparks
		} and {
			MHandley
		} and {
			ESchooler
		}}
		
		
		
		
		
		
		
		
			,
	year={2002}
		
	
	,
	note={Internet Engineering Task Force (IETF}

}

@book{b16,
	
	
		,
	title={{Wireless Internet access based on GPRS}}
		,
	author={{
			RKalden
		} and {
			Meirick
		} and {
			Meyerm
		}}
		
		
		
			,
	year={2002}
			,
	publisher={IEEE}
		
	

}

@incollection{b17,
	
	
		,
	title={{Security mechanisms for SIP-based multimedia communication infrastructure}}
		,
	author={{
			DFSi
		} and {
			QLong
		} and {
			XHHan
		} and {
			WZou
		}}
		
		
		
	
	
		,
	booktitle={{IEEE Conf. on Comm, Circuits and Systems (ICCCAS)}}
				
			,
	year={2002}
		
	

}

@book{b18,
	
	
		,
	title={{Channel allocation for GPRS}}
		,
	author={{
			PhoneLin
		} and {
			Yi-BingLin
		}}
		
		
			,
	year={2001}
			,
	publisher={IEEE}
		
	

}

@book{b19,
	
	
		,
	title={{}}
		,
	author={{
			JMcnair
		} and {
			IFAkyildiz
		} and {
			MBender
		}}
		
		
		for IMT-2000
		
			,
	year={2000}
		
	
	,
	note={An Intersystem Handoff Technique}

}

@incollection{b20,
	
	
	
	
		,
	booktitle={{Proc. IEEE INFOCOM}}
				IEEE INFOCOM
		
	

}

@book{b21,
	
	
		,
	title={{McGraw Hill Year mobile Communication}}
		,
	author={{
			JFDimarzio
		}}
		
			,
	year={2009}
			,
	address={New Delhi}
		
	
	,
	note={Android A programmers guide}

}

@book{b22,
	
	
		,
	title={{Network Security and Cryptography, Pearson Education}}
		,
	author={{
			WStallings
		}}
		
			,
	year={2007}
			,
	address={New Delhi}
		
	

}

@book{b23,
	
	
		,
	title={{Asterisk: The Future of Telephony}}
		,
	author={{
			JVan Meggelen
		} and {
			JSmith
		} and {
			LMadsen
		}}
		
		
		
			,
	year={2007}
			,
	address={O'Reilly Media}
		
	

}

@book{b24,
	
	
		,
	author={{
			EmmanuelSeurre
		} and {
			PatrickSavelli
		} and {
			Pierre-JeanPietri
		}}
		
		
		,
	title={{GPRS for mobile Internet}}
				
			,
	year={2003}
		
	
	,
	note={Artech House}

}

@incollection{b25,
	
	
		,
	title={{General Packet Radio Services}}
		,
	author={{
			JRegis
		} and {
			Bates
		}}
		
		
	
	
		,
	journal={{Tata McGraw Hill}}
		
			29
			,
	year={2002}
		
	

}