265 search results - page 12 / 53 » Security Patterns for Voice over IP Networks |
INFOCOM
2002
IEEE
14 years 2 months ago
2002
IEEE
—Intelligent mobile terminals (or users) of next generation wireless networks are expected to initiate voice over IP (VoIP) calls using session set-up protocols like H.323 or SIP...
BROADNETS
2007
IEEE
14 years 3 months ago
2007
IEEE
— The expected VoIP call capacity in a one hop IEEE 802.11b network with G.711 voice codec is about 85 simultaneous calls, but the actual observed capacity is only 5 calls even a...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
Release99 of UMTS (Universal Mobile Telecommunication System) network supports conversational services by means of UTRAN (Universal Terrestrial Radio Access Network) Dedicated tran...
SEC
2003
13 years 10 months ago
2003
: The public telephone network has been evolving from manually switched wires carrying analog encoded voice of the 19th century to an automatically switched grid of copper-wired, f...
COMCOM
2007
13 years 8 months ago
2007
— Voice over IP (VoIP) services based on the Session Initiation Protocol (SIP) gain ground as compared to other protocols like MGCP or H.323. However, the open SIP architecture c...