1. Henning Schulzrinne Dept. of Computer Science Columbia University
ECRIT architecture
Henning Schulzrinne
Dept. of Computer Science
Columbia University
ECRIT interim meeting - Washington, DC - Feb. 2006

2. UA recognition & UA resolution
mapping
9-1-1
leonianj.gov
INVITE
To: urn:service:sos
<location>
INVITE
To: urn:service:sos
<location>
ECRIT interim meeting - Washington, DC - Feb. 2006

3. UA recognition & proxy resolution
mapping
9-1-1
provider.com
INVITE urn:service:sos
To: urn:service:sos
<location>
INVITE
To: urn:service:sos
ECRIT interim meeting - Washington, DC - Feb. 2006

4. UA recognition & proxy resolution (proxy location determination)
mapping
9-1-1
provider.com
INVITE urn:service:sos
To: urn:service:sos
INVITE
To: urn:service:sos
<location>
how does proxy insert location?
redirect?
ECRIT interim meeting - Washington, DC - Feb. 2006

5. Proxy recognition & proxy resolution
mapping
9-1-1
provider.com
INVITE
To: urn:service:sos
INVITE
To: urn:service:sos
ECRIT interim meeting - Washington, DC - Feb. 2006