1. SIP and the Future of VON Protocols A Nethead Perspective
General Session
SIP and the Future of VON Protocols
A Nethead Perspective
Henry Sinnreich, MCI WorldCom*
* The views expressed in this presentation are my own and may or may not represent the views of my company

2. VON Camps H.323 SIP softswitch BICC ISDN LAN conferencing IP
I-multimedia
WWW
SIP
Call Agent
SIP & H.323
softswitch
BISDN, AIN
H.xxx, SIP
“any packet”
BICC
Conferencing Industry
Netheads
Circuit switch engineers over IP
“Convergence” ITU standards
June 20
Henry Sinnreich

3. Comparison of VON Protocols
Internet-oriented comparison made by a nethead
Protocol
Criteria
H.323
SIP
MEGACO
H.248 **
BICC
$$$ from new services * No
Yes
Performance
Sluggish OK
Sluggish?
Scalability
Internet and WWW Fit
* All new apps from IM, voice chat, unified messaging, to mobility, portability, etc.
** Violates Internet transparency (societal and business goal) and end-to-end control
June 20
Henry Sinnreich