'Sip alice' presentation slideshows

VoIP - beyond replicating the limitations of the past

VoIP - beyond replicating the limitations of the past. Henning Schulzrinne Dept. of Computer Science, Columbia University, New York

1.51k views • 139 slides

VoIP: Not your grandmother's phone any more

VoIP: Not your grandmother's phone any more. Henning Schulzrinne Dept. of Computer Science, Columbia University, New York (based on work in collaboration with IRT students & staff, as well as the IETF GEOPRIV and SIMPLE WGs) hgs@cs.columbia.edu Rutgers University April 2009. Outline.

1.04k views • 104 slides

Henning Schulzrinne Columbia University (Sprint Labs, Burlingame, CA)

Global Ubiquitous Computing. Henning Schulzrinne Columbia University (Sprint Labs, Burlingame, CA). Agenda. SIP overview SIP for ubiquitous computing Location-based services Emergency calling Services, carriers and service creation Security issues. SIP Overview.

654 views • 65 slides

Ubiquitous SIP

602 views • 60 slides

Advanced Multimedia and Presence Services using Classical and P2P SIP

Advanced Multimedia and Presence Services using Classical and P2P SIP. Henning Schulzrinne (with Kundan Singh, Ron Shacham, Xiaotao Wu, Jonathan Lennox and others) Department of Computer Science Columbia University hgs@cs.columbia.edu University of Twente May 20, 2005. Overview.

575 views • 57 slides

Henning Schulzrinne Columbia University (KAIST KNSS)

577 views • 56 slides

SIP Security

SIP Security. Henning Schulzrinne Dept. of Computer Science Columbia University July 2002. Overview. System model Threats and promises Approaches lower-layer (L3, L4) application-layer borrowed and modified ? HTTP Digest new, SIP-specific short-term vs. long-term

718 views • 50 slides

SIP for Collaboration

SIP for Collaboration. Henning Schulzrinne Columbia University Dept. of Computer Science. Overview. Evolution from service to protocol to eco-system Quick intro to SIP SIP foundations: sessions, messages, events. Philosophy transition. One computer/phone, many users. PC era

315 views • 31 slides

IP interconnect

IP interconnect. Henning Schulzrinne March 2012. Overview. Layers & interconnection What do we need to connect? Architectures. Protocol roles. RTP (+ RTCP) media (audio) transport same for audio & video SIP session setup and control used in IMS and PacketCable , as well as by Vonage

258 views • 11 slides

Henning Schulzrinne (Columbia U.) Eunsoo Shim (Panasonic) eunsoo@research.panasonic

Recommended Relationships between Different Types of Identifiers draft-schulzrinne-sipping-id-relationships-00. Henning Schulzrinne (Columbia U.) Eunsoo Shim (Panasonic) eunsoo@research.panasonic.com hgs@cs.columbia.edu. Overview. No public directory deployed or likely

50 views • 5 slides

Henning Schulzrinne (Columbia U.) Eunsoo Shim (Panasonic) eunsoo@research.panasonic

Recommended Relationships between Different Types of Identifiers draft-schulzrinne-sipping-id-relationships-00. Henning Schulzrinne (Columbia U.) Eunsoo Shim (Panasonic) eunsoo@research.panasonic.com hgs@cs.columbia.edu. Overview. No public directory deployed or likely

65 views • 5 slides