Integrated Services Digital Network (ISDN) was developed for the digital transmission of data and voice over ordinary phone lines. ISDN provides better voice quality than PSTN. The ISDN provides 128 Kbps. One of the key features of the ISDN is it integrates both speech and data in the same l...
System and method for communication redirection between mobile telecommunication networks with different radio access technologies of EP1257141 Methods and apparatus for Dynamic System Performance Adaptation (DSPA) and in particular DSPA between uncoordinated radio access networks having different RAT's is desc...
6954654Provision of services in a communication system including an interworking mobile switching centerOctober, 2005Ejzak 6937563Homing and controlling IP telephonesAugust, 2005Preston et al. 6842447Internet protocol transport of PSTN-to-PSTN telephony services2005-01-11Cannon370/352 ...
If the other called party is associated with a referred SIP user device (e.g., as specified by SIP REFER request 460), outbound call 470 may be routed to the referred SIP user device in a similar manner as described above in connection with call 405. For example, remote call controller ...
Methods, Plain Old Telephone System (POTS) phones, and computer program products are provided for synchronizing client application data, such as names and associated telephone numbers in a phone book, between the POTS phone and a content portal through a Public Switched Telephone Network (PSTN). ...
Y Hu,L Shen - International Conference on Wireless Communications, Networking & Mobile Computing 被引量: 0发表: 2007年 Development of a residential gateway and a service server for home automation. (such as TCP/IP for Ethernet, ADSL), home networking(HomePNA, IEEE1394, PLC), device interfaces...