Middleware that Transforms Communications

Keynote at ACM Workshop on Middleware for next-generation converged networks and applications (MNCNA), November 26, 2007 (Port Beach, California) Challenges and opportunities in Telco 2.0.

Barriers to VoIP Deployment and Initiatives to Overcome Them

Keynote at China VoIP Conference and Expo 2005, May 19, 2005 (Beijing) VoIP has seen great successes for the access and transport of multimedia streams. However, most of the deployments have been within a given service provider’s administrative domain. We will discuss the progress that has been made in deploying VoIP, the barriers that remain,… Continue reading Barriers to VoIP Deployment and Initiatives to Overcome Them

Making SIP Interoperable

Keynote at China SIP Forum 2004, May 19, 2004 (Beijing) This session will introduce the SIP Forum, the principal worldwide forum for the promotion of SIP. Three years ago, we were trying to get a single call completed. Today the focus is on deploying carrier systems. Some of the promises of SIP are enhanced flexibility,… Continue reading Making SIP Interoperable

Applications and Services: Powering the Next-Generation Network

Keynote at China VoIP 2004, May 19, 2004 (Beijing) This session will introduce the IPCC, the principal worldwide forum for the promotion of multimedia communications over packet networks. Much work has been done, first with MGCP and H.284 with SoftSwitches and H.323, and now with SIP, to enable the deployment of cost-effective packet-based telephony networks.… Continue reading Applications and Services: Powering the Next-Generation Network

XML for Voice Services

Presented at the IEEE ComSoc/Computer Society Boston Chapter Meeting, May 21, 2001 XML, XSL, and application servers enable application developers to separate user interface code from application code.  For a quality user interaction, the user interface code needs to know at least the broad parameters of the terminal device.  For example, the presentation of a… Continue reading XML for Voice Services