Multicast paging is an approach to let different SIP users to listen to a page from a common multicast IP...

Introduction The UCM6XXX is now offering the ability to subscribe to extensions state and to be informed about the current...

Advice of Charge service provides users with a way of tracking the actual cost of a specific call either prior...

CTI (Computer-Telephony Integration) provides the ability to manage phone calls from a computer including basic call operations such as making...