Patent ID: 7912963
Filing Date: 2011-03-22
Classification: H04L

Abstract:
1. An application server comprising: a first interface to provide first and second voice eXtensible Markup Language (VXML) content to a media server; a second interface to send a first protocol message to the media server to initiate a communication session between the media server and a user endpoint device, the media server to provide the first VXML content to the user endpoint device via the communication session; and a session controller including a processor programmed to detect an event at the application server and to, in response to the detected event, direct the second interface to send a second protocol message to the media server, wherein the second protocol message comprises a session initiation protocol (SIP) REFER message containing a REFRESH field, the REFRESH field comprising a first value to direct the media server to terminate providing the first VXML content to the user endpoint device via the communication session and to direct the media server to obtain the second VXML content from the application server and provide the second VXML content to the same user endpoint device via the same communication session.