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INTRODUCTION OF ENUM IN AUSTRALIA. Robert Urquhart Telecommunications Licensing Group Australian Communications Authority (ACA) 5 December 2003. TOPICS. What is ENUM? Potential benefits/opportunities Practical operation ACA role: trial law enforcement issues. 2. WHAT IS ENUM?.
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INTRODUCTION OF ENUM IN AUSTRALIA Robert Urquhart Telecommunications Licensing Group Australian Communications Authority (ACA) 5 December 2003
TOPICS • What is ENUM? • Potential benefits/opportunities • Practical operation • ACA role: • trial • law enforcement issues 2
WHAT IS ENUM? • ‘Electronic numbering’ or ‘electronic number mapping’ • IETF protocol that maps telephone numbers to domain names • Globally accessible telephone book indexed by number • Does not carry or set-up calls
BENEFITS & OPPORTUNITIES • Simplified business card • Number for life • Called-party or calling-party settings • Improve interoperability of PSTN/IP: • access by phone • simpler addressing • Benefits for consumers/carriers: • toll bypass, new applications
PRACTICAL OPERATION(1 of 3) • Person dials number • Number converted to domain name • reverse, add dots, add domain • For example: • 61 08 9963 6713 becomes • 3.1.7.6.3.6.9.9.8.1.6.e164.arpa
PRACTICAL OPERATION(2 of 3) • Resulting domain stores addressing info for each service type • may provide options or set preferences • ENUM runs DNS query on domain: • valid record found, call proceeds over IP network • valid record not found, call routed to PSTN
DNS-Server Gateway Sip server PRACTICAL OPERATION(3 of 3) Response sip:pc@xyz.com.au Query 0.5.1.1.1.7.2.6.3.1.6.e164.arpa? “Call setup” Sip sip:pc@xyz.com.au Dial ENUM no. +61362711150 7
ACA ROLE • Facilitation of industry process • Authority re 1.6.e164.arpa domain space • Formation and administration of discussion group: • provides discussion forum • advice/recommendations to industry • input to trial
TRIAL OF ENUM SERVICES(1 of 2) • Interest identified • Context document: • framework and requirements re trial • will form part of ACA invitation (early 2004) • Start April/May 2004 – 12 months • Opt-in • Limited customer scope • No PSTN interconnection
TRIAL OF ENUM SERVICES(2 of 2) • Commercial, technical, consumer and regulatory issues • Additional ACA consultation (e.g. NAC, LEAC, OFPC) • Post-trial review, consultation
LAW ENFORCEMENT ISSUES • Access to emergency services • Interception of carriage services • Access to customer information
EMERGENCY SERVICES • Calls made/received using existing services & equipment • No bearing on whether service falls within ‘SETS’ definition • No change to application of current rules • No adverse affect on access to emergency services
INTERCEPTION • ENUM doesn’t carry traffic, set-up calls • All calls carried by CSPs on existing networks • No change to carriers/CSPs legislative obligations • No impact on agencies capacity to intercept communications
ACCESS TO CUSTOMER INFO • Telco Act rules apply to carriers/CSPs • Under ENUM: • still access info from carriers/CSPs • may not be able to access certain ‘ENUM-specific’ info due to status of registry/registrar • Available under existing warrant process • Shortfall acknowledged - will be subject to review
FURTHER INFORMATION • Email queries: enum@aca.gov.au • ACA website: www.aca.gov.au • ITU website: www.itu.int • Phone: Robert Urquhart (03) 9963 6713