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All rights reserved © 2005, Alcatel TR XXX Telecommunications Industry AssociationTR
All rights reserved © 2005, Alcatel NENA i2 / 6-Oct-05 DRAFT NENA i2 market solutions & consequent recommendations on IP PBX system design Edition 2 / Patrick DANIEL – A L C A T E L / 6-Oct-05
All rights reserved © 2005, Alcatel TR XXX Page 3 Introduction “It seems that the Federal Communications Commission (FCC)’s ultimatum to VoIP providers issued this May about having E911 access ready for Q3 05 has served its purpose. More VoIP technology providers have lined up to announce their VoIP E911 access readiness”
All rights reserved © 2005, Alcatel TR XXX Page 4 ‘NENA i2’ VoIP E911step Overview with new elements NEW !
All rights reserved © 2005, Alcatel TR XXX Page 5 New elements in ‘NENA i2’ Emergency Services Gateway (ESGW) ESGW provides interconnection point between the VoIP domain and existing Emergency Services Provider Network The ESGW provides protocol interworking between Session Initiated Protocol (SIP) and call setup signaling to the E9-1-1 tandem (Multi-Frequency [MF] or Signaling System #7 [SS7]) VoIP Positioning Center (VPC) Receives and stores information about an emergency call, including callback number information and location information May query LIS with LocationKey (LK) to obtain Location Object (LO) Based on LO, VPC determines Emergency Services Routing Number (ESRN), and allocates an Emergency Services Query Key (ESQK) associated with the VPC, the call instance and the Emergency Service Zone (ESZ) from which the call originated. Also Contingency Routing Number (CRN) for alternate routing Responds to subsequent queries for location information for that call instance from the PSAP via its serving ALI database, using the allocated ESQK
All rights reserved © 2005, Alcatel TR XXX Page 6 Basic VoIP emergency call routing in ‘NENA i2’ IP HeadquartersIP Branch Office 1 IP Branch Office 2 Local ILE Frontal VoIP Service Provider Dynamic location updates possible Local ILE
All rights reserved © 2005, Alcatel TR XXX Page 7 Emergency Service Query Key (ESQK) Emergency Service Query Key (ESQK) – The ESQK identifies a call instance at a VPC, and is associated with a particular SR and PSAP combination. The ESQK is delivered to the E9-1-1 SR and as the calling number/ANI for the call to the PSAP. The ESQK is used by the SR as the key to the Selective Routing data associated with the call. The ESQK is delivered by the SR to the PSAP as the calling number/ANI for the call, and is subsequently used by the PSAP to request ALI information for the call. The ALI database includes the ESQK in location requests sent to the VPC. The ESQK is used by the VPC as a key to look up the location object and other call information associated with an emergency call instance. The ESQK is expected to be a ten-digit North American Numbering Plan Number. Basic VoIP emergency call routing in ‘NENA i2’
All rights reserved © 2005, Alcatel TR XXX Page 8 The different organizational entities and resulting complexity
All rights reserved © 2005, Alcatel TR XXX Page 9 Open question on ‘NENA i2’ Regarding the ‘VoIP domain’ Which elements are hosted on the enterprise side ? Which elements are hosted on the public side ?
All rights reserved © 2005, Alcatel TR XXX Page 10 Fact 1 BellSouth Telecommunications extract BellSouth supports dynamic location updates to its ALI data base from VPC 3 rd party through an signed contract
All rights reserved © 2005, Alcatel TR XXX Page 11 Fact 2 HBF Group solution
All rights reserved © 2005, Alcatel TR XXX Page 12 Fact 3 Intrado solution 1
All rights reserved © 2005, Alcatel TR XXX Page 13 Fact 4 Intrado solution 2
All rights reserved © 2005, Alcatel TR XXX Page 14 Fact 5 Level 3 solution
All rights reserved © 2005, Alcatel TR XXX Page 15 Fact 6 Level 3 – TeleCommunication Systems (TCS) agreement / Sept 05 Level 3
All rights reserved © 2005, Alcatel NENA i2 / 6-Oct-05 Recommendations based on NENA i2 market solutions analysis VoIP E911 / Patrick DANIEL / 6-Oct-05
All rights reserved © 2005, Alcatel TR XXX Page 17 Recommendations based on NENA i2 market solutions analysis ESGW & VPC functions outside IP PBX perimeter Push ‘Indoor LIS’ integration. Consequently, openness to next Location-based Services Push ‘Indoor VPC proxy’ integration combined to signed contract with VPC operator for ‘dynamic location updates’ capability Denied access issue to enterprise network is then resolved Only SIP exchanges simplifying IP PBX architecture evolutions Challenge these recommendations
All rights reserved © 2005, Alcatel TR XXX Page 18 Thank you
All rights reserved © 2005, Alcatel NENA i2 / 6-Oct-05 Backup slides on TCS seen as THE active player VoIP E911 / Patrick DANIEL / 6-Oct-05
All rights reserved © 2005, Alcatel TR XXX Page 20 Level 3 & TCS agreement / Sept 05 To provide this service to Level 3's customers, TCS delivers the following key functions: Location Determination -- validated subscriber location database featuring a hosted real-time provisioning interface; Route Determination -- real-time call flow integration where the VoIP Positioning Center (VPC) receives the call and determines the appropriate PSAP to which the call should be routed using Emergency Routing Database and PSAP routing reference data; Call Delivery -- routing instructions are returned from the TCS VPC to the serving softswitch to route across the Level 3 network to the PSAP via selective routers; Location Content Delivery -- in response to an Automatic Location Information (ALI) query from the PSAP, TCS' ALI Link(TM) provides the caller's location data;
All rights reserved © 2005, Alcatel TR XXX Page 21 TCS issued patent Sept 15, ease_id=95300 The patent provides a means for querying a Message Servicing Center (MSC) from a VoIP switch and a means for receiving an Emergency Services Routing Key (ESRK) in response. Additionally, the patent allows querying by an Automatic Location Identification (ALI) database for caller information related to the ESRK
All rights reserved © 2005, Alcatel TR XXX Page 22 TCS, Skyhook Wireless and deltathree Bring Live Wi- Fi E9-1-1 Demonstration to VON Conference pdf TCS, a provider of mission-critical wireless communications, Skyhook Wireless, a provider of the industry's first Wi-Fi based metro-area positioning system, and deltathree, a provider of proven, high-quality Internet telephony products, solutions and infrastructure, to deliver VoIP services announced the companies are demonstrating Nomadic VoIP E9-1-1 call support at the VON Conference (Sep 20, 2005)
All rights reserved © 2005, Alcatel TR XXX Page 23 Vonage Introduces TCS ‘VoIP Verify’ for Broadband Wireless Networks es/page asp Designed for mobility, ‘VoIP Verify’ provides Vonage subscribers with a simple tool to determine the availability and extent of the individual’s emergency services coverage from the caller’s current registered location
All rights reserved © 2005, Alcatel NENA i2 / 6-Oct-05 Backup slides Miscellaneous VoIP E911 / Patrick DANIEL / 6-Oct-05
All rights reserved © 2005, Alcatel TR XXX Page 25 Enterprise Presence server SIP Call Server Status SIP Calendar Status ILE Bluetooth WLAN Fixed Outdoor Loc IF WAN Recommendations based on NENA i2 analysis (ref slide 5) Location Application Server Notification Server Control centre Infirmary First-aid workers SIP 4 5 Call PSAP Name Phone number Location 6 7a 7b ‘Indoor LIS’ ‘VPC Proxy’
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