Directions for VoIPIRT Research

Henning SchulzrinneDepartment of Computer ScienceColumbia UniversitySeptember 16, 2004

General directions in SIP-related technology Completed core functionality for VoIP

Missing protocol pieces

Conference management and controlXCON working group

Configuration managementbased on XCAPbut no real data definitions yet

Performance managementdetect automatically when things aren’t

working right

Missing software pieces: collaboration Integrate off-line coordination with on-line collaboration

calendaring and scheduling (with Palm sync) “CRM” functionality: tabulate all contacts with a certain group or

person conferences mailing lists & IM lists simplified conference file sharing richer conference functionality:

outbound calls call statistics

SIPquest/CINEMA software has some of this, but needs renewed attention and re-factoring

Software issues: Standards-compliance RFC 3261/… compliance Conference control Presence components

XCAP for subscribers, watchers, policy, …robust PUBLISH

Missing software features: configuration Update of web password automatically

changes phone passwordsplethora of authentication options confuses

users Automated management of IP phones

from multiple vendorsgenerate config files or web updates transient need until XCAP configuration

On-going IRT SIP-related research projects 802.11 mobility for VoIP SIP server performance and robustness Peer-to-peer SIP (hybrid systems) SIP conferencing

data conferencing (shared applications) Rich presence & location-based services SIP for training

FAA prototype for air traffic controller radio training Spam control for SIP SIP session and service mobility SIP for 911 services