CA2223845C
(en )
2002-05-07
Multimedia conferencing using parallel networks
US5164982A
(en )
1992-11-17
Telecommunication display system
US5946386A
(en )
1999-08-31
Call management system with call control from user workstation computers
EP0906686B1
(en )
2006-02-22
Automatic voice/text translation of phone mail messages
US6785379B1
(en )
2004-08-31
Call management system with call control form user workstation computers
US6343119B1
(en )
2002-01-29
Access to extended telephone services via the internet
US6215863B1
(en )
2001-04-10
Method and apparatus for providing a station set with advanced telecommunications services
US20010016874A1
(en )
2001-08-23
URL notification device for portable telephone
WO2005069538A1
(en )
2005-07-28
Method and apparatus for telecommunication system
Milne
1998
Stages of universal service policy
EP1374609A2
(en )
2004-01-02
Mobile branch exchange
CA2259265A1
(en )
1998-01-08
System and method for enhanced telecommunications relay service with easy extension feature
US6990094B1
(en )
2006-01-24
Method and apparatus for network independent initiation of telephony
US20050157753A1
(en )
2005-07-21
System and method for improving the balance between download and upload traffic on the Internet and/or other networks.
BE468336A
(pm )
Arai
2019
History of the development of telecommunications infrastructure in Japan
CA2362644A1
(fr )
2001-06-14
Passerelle de telecommunication entre un reseau prive et un reseau mobile
Cisco
2001-05-19
Implementing ICM VRU Scripts
AU5945999A
(en )
2000-05-25
Improvements related to telephones
US7616754B2
(en )
2009-11-10
Method and system for computer-based private branch exchange
US8867737B2
(en )
2014-10-21
System and method for providing line power to a digital telephone
Imran et al.
2009
Conferencing, paging, voice mailing via Asterisk EPBX
EP2161911B1
(fr )
2011-04-13
Dispositif et procédé de contrôle par un équipement de communication de fonction(s) offerte(s) par au moins un autre équipement de communication via une liaison de proximité
TW200838281A
(en )
2008-09-16
System for saving network telephone fees and operating method thereof
Reid
2003
Nortel joins Bell on new net