ENUM Technical issues / DNS
Agenda
Background
The Domain Name System
DNS as distributed database
Recursion
Domains and zones
Delegations
E.164 numbers
Structure of E.164
Problem we want to solve
Problem statements 1(2)
Problem statements 2(2)
Technical solution
Solution in short
Example
Why DNS?
Step 1
Step 1 Explanation
Step 2
Regular expressions
Step 2 in detail
ENUM DNS Hierarchy
+46-8-976123
DNS Hierarchy
Registry/registrar
Conclusion
ENUM example flow/usage
ENUM and VoIP
ENUM in Universal Messaging
ENUM in Internet Fax
Detailed example of Fax
From RFC 2916
Status as of Jan 10, 2001 (done)
Status as of Jan 10, 2001 (not done)
Resources
Email: webmaster@ripe.net