VoCCN: Voice-over Content
... VoIP Signaling and Media paths result from a mismatch between the user’s goal and the network’s meaning of achieving it. Alice simply wants to talk to Bob but the network requires that the communication be addressed to the IP address of Bob’s phone. ...
... VoIP Signaling and Media paths result from a mismatch between the user’s goal and the network’s meaning of achieving it. Alice simply wants to talk to Bob but the network requires that the communication be addressed to the IP address of Bob’s phone. ...
presentation
... • Tutor works on a computer at the university connected to the Internet OSI stack application presentation session transport network data link physical ...
... • Tutor works on a computer at the university connected to the Internet OSI stack application presentation session transport network data link physical ...
ICETA 2003 2
... It is based on the H.320 philosophy, adapted for IP networks. The best hardware clients available today implement and use this standard. It is technology adopted in the professional market. Every component is expensive. The H.323 multi-point solution (MCU) is complex, very expensive and limited in t ...
... It is based on the H.320 philosophy, adapted for IP networks. The best hardware clients available today implement and use this standard. It is technology adopted in the professional market. Every component is expensive. The H.323 multi-point solution (MCU) is complex, very expensive and limited in t ...
Voice over Internet Protocol: Policy Implications and Market Realities
... • SIP definition is governed by the Internet Engineering Task Force (IETF) • Core of SIP defined in RFC 3261 which supersedes RFC 2543 • SIP is based on “IP Model” • Transport and Application Signaling are separate • Intelligence and state resides in end device (the phone) ...
... • SIP definition is governed by the Internet Engineering Task Force (IETF) • Core of SIP defined in RFC 3261 which supersedes RFC 2543 • SIP is based on “IP Model” • Transport and Application Signaling are separate • Intelligence and state resides in end device (the phone) ...
Wireless Ad Hoc and Sensor Networks
... It can resist a variety of attacks, including black hole attack replay attack message forging attack message tampering attack DNS impersonation attack ...
... It can resist a variety of attacks, including black hole attack replay attack message forging attack message tampering attack DNS impersonation attack ...
VoIPpresentation
... Used for multimedia sessions like H.323. SIP is a simple, text based request, open, and welldefined interface encouraging application Level signaling protocol. Allows setting up, modifying terminating sessions with one or more participants. Supports user location, call setup, call transfers, ...
... Used for multimedia sessions like H.323. SIP is a simple, text based request, open, and welldefined interface encouraging application Level signaling protocol. Allows setting up, modifying terminating sessions with one or more participants. Supports user location, call setup, call transfers, ...
VoIPpre
... Used for multimedia sessions like H.323. SIP is a simple, text based request, open, and welldefined interface encouraging application Level signaling protocol. Allows setting up, modifying terminating sessions with one or more participants. Supports user location, call setup, call transfers, ...
... Used for multimedia sessions like H.323. SIP is a simple, text based request, open, and welldefined interface encouraging application Level signaling protocol. Allows setting up, modifying terminating sessions with one or more participants. Supports user location, call setup, call transfers, ...
ICNP - Columbia University
... “The bulk of U.S. spam is coming from a very limited set of IPs with high-bandwidth connections," said Alperovitch, who estimated that the high-volume spamming addresses number fewer than 10,000 and the number of spammers at ...
... “The bulk of U.S. spam is coming from a very limited set of IPs with high-bandwidth connections," said Alperovitch, who estimated that the high-volume spamming addresses number fewer than 10,000 and the number of spammers at ...
SIP messages
... a hop-by-hop basis The Internet Key Exchange (IKE) protocol [HC98] which is used to set up IPsec security associations supports both Pre-Shared Key (PSK) and Public Key (PKI) based authentication. Because the IP addresses of the SIP user agents will be mostly dynamic and taking into account that IKE ...
... a hop-by-hop basis The Internet Key Exchange (IKE) protocol [HC98] which is used to set up IPsec security associations supports both Pre-Shared Key (PSK) and Public Key (PKI) based authentication. Because the IP addresses of the SIP user agents will be mostly dynamic and taking into account that IKE ...
here
... How to find the person? SVR (service record) in DNS servers for proxy resolution Specifies the location of proxy server for a specific service That’s why we had DNS servers there ...
... How to find the person? SVR (service record) in DNS servers for proxy resolution Specifies the location of proxy server for a specific service That’s why we had DNS servers there ...
Chapter 24 - William Stallings, Data and Computer Communications
... user agent uses SIP to setup session initiation dialogue uses SIP involving one or more proxies to relay to remote agent proxies act as redirect servers if needed ...
... user agent uses SIP to setup session initiation dialogue uses SIP involving one or more proxies to relay to remote agent proxies act as redirect servers if needed ...
ppt
... to download and upload user profiles — it has no local storage of the user. All necessary information is loaded from the HSS it handles SIP registrations, which allows it to bind the user location (e.g. the IP address of the terminal) and the SIP address it sits on the path of all signaling messages ...
... to download and upload user profiles — it has no local storage of the user. All necessary information is loaded from the HSS it handles SIP registrations, which allows it to bind the user location (e.g. the IP address of the terminal) and the SIP address it sits on the path of all signaling messages ...
ppt
... to download and upload user profiles — it has no local storage of the user. All necessary information is loaded from the HSS it handles SIP registrations, which allows it to bind the user location (e.g. the IP address of the terminal) and the SIP address it sits on the path of all signaling messages ...
... to download and upload user profiles — it has no local storage of the user. All necessary information is loaded from the HSS it handles SIP registrations, which allows it to bind the user location (e.g. the IP address of the terminal) and the SIP address it sits on the path of all signaling messages ...
publish subscribe - Department of Information Technology
... one-to-many event dissemination • SIP Event Framework does not support expressive filtering Proposed Solution: • Implementation of a gateway component enabling interworking between the SIP event framework, and publish/subscribe system Application of the proposed Gateway: • Universal Data Access ...
... one-to-many event dissemination • SIP Event Framework does not support expressive filtering Proposed Solution: • Implementation of a gateway component enabling interworking between the SIP event framework, and publish/subscribe system Application of the proposed Gateway: • Universal Data Access ...
Combining circuit and packet based services in converging networks
... • Using GERAN as access network is appealing, because of the large coverage area • The problem may be solved with utilising mobile network CS services for real-time media and PS services for other types of media • For this purpose the 3rd Generation Partnership Project has standardised Circuit Switc ...
... • Using GERAN as access network is appealing, because of the large coverage area • The problem may be solved with utilising mobile network CS services for real-time media and PS services for other types of media • For this purpose the 3rd Generation Partnership Project has standardised Circuit Switc ...
IP Multimedia Subsystem (IMS)
... I-CSCF Obtain the name of the S-CSCF or Application Server (AS) from the Home Subscriber Server (HSS) Assign an S-CSCF based on received capabilities from the HSS Route incoming requests to an assigned S-CSCF or AS ...
... I-CSCF Obtain the name of the S-CSCF or Application Server (AS) from the Home Subscriber Server (HSS) Assign an S-CSCF based on received capabilities from the HSS Route incoming requests to an assigned S-CSCF or AS ...
IP solutions for communication carriers offered by NTT COMWARE
... data, the Internet, etc., instead of just voice or data. MS-IP also provides an IP network video conference function. This new type of server will allow the rapid provision of services in IP markets that will experience full-scale expansion in the future. ...
... data, the Internet, etc., instead of just voice or data. MS-IP also provides an IP network video conference function. This new type of server will allow the rapid provision of services in IP markets that will experience full-scale expansion in the future. ...
(Uas) SIP Proxy SIP Registar SIP Redirect Server
... By registration Server. The SIP registration server also stores the IP address and port used to connect to each SIP client. ...
... By registration Server. The SIP registration server also stores the IP address and port used to connect to each SIP client. ...
12_SIP
... ..and how does the person control his active/inactive devices ..and how do we authenticate people ..and how do we bridge this between organizations ...
... ..and how does the person control his active/inactive devices ..and how do we authenticate people ..and how do we bridge this between organizations ...
SIP
... ..and how does the person control his active/inactive devices ..and how do we authenticate people ..and how do we bridge this between organizations ...
... ..and how does the person control his active/inactive devices ..and how do we authenticate people ..and how do we bridge this between organizations ...
CSCE 790: Computer Network Security
... Mail exchange is performed by a message transfer agent (MTA), for example Sendmail Users don’t interact with MTA but can choose their user agent ...
... Mail exchange is performed by a message transfer agent (MTA), for example Sendmail Users don’t interact with MTA but can choose their user agent ...
presentation
... signaling • SS7/C7 signaling gateway with broad SS7/C7 application support • Fully fault-tolerant architecture ...
... signaling • SS7/C7 signaling gateway with broad SS7/C7 application support • Fully fault-tolerant architecture ...