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COMCOM
2010
92views more  COMCOM 2010»
13 years 5 months ago
A secure and efficient SIP authentication scheme for converged VoIP networks
Eun-Jun Yoon, Kee-Young Yoo, Cheonshik Kim, YouSik...
NETWORK
2008
100views more  NETWORK 2008»
13 years 7 months ago
Distributed connectivity service for a SIP infrastructure
Because of the constant reduction of available public network addresses and the necessity to secure networks, devices like Network Address Translators and firewalls have become qui...
Luigi Ciminiera, Guido Marchetto, Fulvio Risso, Li...
SIPS
2008
IEEE
14 years 1 months ago
Low-complexity high-speed 4-D TCM decoder
This paper presents a low-complexity, high-speed 4-dimensional 8-ary Phase Shift Keying Trellis Coded Modulation (4-D 8PSK TCM) decoder. In the design, an efficient architecture f...
Jinjin He, Zhongfeng Wang, Huaping Liu
CORR
2008
Springer
105views Education» more  CORR 2008»
13 years 7 months ago
Covert Channels in SIP for VoIP signalling
In this paper, we evaluate available steganographic techniques for SIP (Session Initiation Protocol) that can be used for creating covert channels during signaling phase of VoIP (V...
Wojciech Mazurczyk, Krzysztof Szczypiorski
WCE
2007
13 years 8 months ago
A Performance Based Evaluation of SIP Signalling across Converged Networks
—As wireless networks evolves towards the 3G and 4G architectures the mobile core networks provides a platform for all-IP convergence of mobile and fixed networks allowing for be...
Adetola Oredope, Antonio Liotta