1. NENA-IETF I3 Proposal No carrier presumed No carrier presumed Fixed, nomadic and true mobile clients supported Fixed, nomadic and true mobile clients supported Multiple media types supported (voice, text, video, etc) Multiple media types supported (voice, text, video, etc) International operation supported International operation supported not a NENA requirement, but is an IETF requirement not a NENA requirement, but is an IETF requirement No assumption of e.164 telephone number addressing No assumption of e.164 telephone number addressing Big “I” Internet is part of the call path; Big “I” Internet is part of the call path; PSAP(s) may be on a private IP net PSAP(s) may be on a private IP net PSAP(s) may have specialized VSP for Emergency Services PSAP(s) may have specialized VSP for Emergency Services Both have a firewall, etc... between PSAP and the Internet. Both have a firewall, etc... between PSAP and the Internet.

2. NENA-IETF I3 Proposal SIP-only signaling SIP-only signaling protocol interwork at source/VSP for non-SIP systems protocol interwork at source/VSP for non-SIP systems sos@ as universal address for assistance, allowing use of international emergency access codes sos@ as universal address for assistance, allowing use of international emergency access codes IETF PIDF-LO (location object), geo and/or civil IETF PIDF-LO (location object), geo and/or civil contained in the initial SIP INVITE message contained in the initial SIP INVITE message Call answers as (native) SIP inside the PSAP Call answers as (native) SIP inside the PSAP Callback address in Contact field of SIP message Callback address in Contact field of SIP message Skills based routing, based on source-based indicators Skills based routing, based on source-based indicators

3. Not Yet Resolved Retain needed E9-1-1 features/capabilities Retain needed E9-1-1 features/capabilities Much requirements review to be done Much requirements review to be done Maintain/improve security, be highly non- disruptable Maintain/improve security, be highly non- disruptable Not yet fully defined Not yet fully defined Have plug-and-play integration capability Have plug-and-play integration capability Assumes future devices will be IP capable Assumes future devices will be IP capable

4. Not Yet Resolved Identify relationship of general Internet and trusted host intranets as applied to future E9-1-1 and transition Identify relationship of general Internet and trusted host intranets as applied to future E9-1-1 and transition a major current issue a major current issue

5. Three Structures for I3 PSAP IP Net General Internet Enterprise VoIP VoI ILECs CLECs MSCs CurrentE9-1-1System CAD Mapping Radio (some in place)

6. Some Would Say: PSAP IP Net General Internet Enterprise VoIP VoI ILECs CLECs MSCs CurrentE9-1-1System CAD Mapping Radio (some in place)

7. Or: PSAP IP Net General Internet Enterprise VoIP VoI ILECs CLECs MSCs CurrentE9-1-1System CAD Mapping Radio (some in place)

8. Or Should We: E9-1-1 IP Net General Internet Enterprise VoIP VoI ILECs CLECs MSCs CurrentE9-1-1System CAD Mapping Radio

9. NENA Future Path Plan: E9-1-1 IP Net General Internet Enterprise VoIP VoI ILECs CLECs MSCs CAD Mapping Radio Many Other Emergency Services Providers

10. NENA Future Path Plan: E9-1-1 IP Net General Internet Enterprise VoIP VoI ILECs CLECs MSCs CAD Mapping Radio Many Other Emergency Services Providers Really Secure Firewall !