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Emergency Call Handling on the MX Page 2 Overview Many countries around the world –different emergency numbers –different emergency laws IP PBX equipment.

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Presentation on theme: "Emergency Call Handling on the MX Page 2 Overview Many countries around the world –different emergency numbers –different emergency laws IP PBX equipment."— Presentation transcript:

1

2 Emergency Call Handling on the MX

3 Page 2 Overview Many countries around the world –different emergency numbers –different emergency laws IP PBX equipment manufacturer –must provide feature set to allow for local compliance Focus of this presentation –review MX emergency features

4 Page 3 Emergency Call Basics – Traditional PSTN PSTN Local Exchange Legacy PBX Analog or PCM Local Public Service Access Point (PSAP) (1) Emergency call is made (2) (1) (2) Emergency call routed to local PSAP with Caller ID provided by PBX (requires PCM) or Local Exchange (3) PSAP confirms emergency and will send any necessary support to address matching the received caller ID. Company

5 Page 4 VoIP and Emergency – Remote Worker (4) PSAP confirms emergency but address in database is for company HQ location! PSTN Local Exchange IP PBX Analog or PCM Local Public Service Access Point (PSAP) (1) Emergency call is made (2) (1) (3) Emergency call routed to local PSAP with Caller ID provided by PBX (requires PCM) or Local Exchange Company Internet VPN (2) Call routed to Local Exchange (3)

6 Page 5 Remote Worker – Zultys Solution: ZIP4x5 Local analog connection to the PSTN Ambulance shows up at the house! Remote Worker Internet Computer ZIP 4x5 — firewall, NAT, VPN — analog phone PSTN DSL router or cable modem

7 Page 6 VoIP and Emergency – Small Offices (4) PSAP confirms emergency but address in database is for company HQ location! PSTN Local Exchange IP PBX Analog or PCM Local Public Service Access Point (PSAP) (1) Emergency call is made (2) (1) (3) Emergency call routed to local PSAP with Caller ID provided by PBX (requires PCM) or Local Exchange Company HQ Internet WAN (2) Call routed to Local Exchange (3) Small Office LAN

8 Page 7 Small Offices – Zultys Solution 1: ZIP4x5 (3) PSAP confirms emergency and sends emergency response units to correct address. Local Exchange IP PBX Analog or PCM (1) Emergency call is made (2) (1) (2) Emergency call routed to local PSAP with Caller ID provided by Local Exchange Company HQ Internet WAN Small Office LAN Analog PSTN Local Exchange Local Public Service Access Point (PSAP) for Small Office

9 Page 8 Small Offices – Zultys Solution 2: MX25 (5) PSAP confirms emergency and sends emergency response units to correct address. Local Exchange IP PBX Analog or PCM (1) Emergency call is made (2) (1) (4) Emergency call routed to local PSAP with Caller ID provided by Local Exchange Company HQ Internet WAN Small Office LAN Analog or PCM PSTN Local Exchange Local Public Service Access Point (PSAP) for Small Office MX25 (2) Call setup routed back to local gateway (3) (3) Call routed to Local Exchange (4)

10 Page 9 USA – Emergency 911 Law Basics Federal law set by FCC Further laws depend on the state Need one phone number transmitted for caller ID purposes –per so many square feet of workspace –per number of people in a work area –per person if staff are not available to direct emergency crew at all times that employees are present

11 Page 10 Example – Dividing a workspace

12 Page 11 Locations Correspond to IP Ranges

13 Page 12 Overview of Configuration on MX Divide company into certain size zones or locations based on the local legal requirements Provision the location into the MX30 or MX250 –along with the ANI or caller ID number that will be sent when emergency number is dialed from that location Set up all subnets for that location SIP devices register with an IP address within a specific range –so MX knows what ANI to send when emergency number is dialed

14 Page 13 Getting Information to PSAP Personnel Make a clear diagram detailing locations and associated ANI numbers –provide that to the local PSAP –send diagram to them and call to confirm everything PSAP personnel enter information into their database system When emergency number dialed, –know where to send emergency services based on ANI

15 Page 14 Preemption for Emergency Calls When all call resources are in use and an emergency call is made –MX30 or MX250 recognizes emergency call –drops an active call –allows the emergency call to go through

16 Page 15 Notification for Emergency Calls All operators receive notification of emergency calls in MXIE MX also sends Syslog message to indicate emergency calls –can be forwarded as by external Syslog server MXIE Indication to Operators Syslog for Administrators

17 Page 16 Emergency Service Call Back If an emergency call is connected –and then disconnected Emergency services can dial back to the MX250 or MX30 –using the ANI –call rings last phone in the location that dialed emergency services IN 3.0

18 Page 17 Wi-Fi and Emergency Calls Wi-Fi presents a problem – because people can move around Solutions for this – being researched now by IP PBX manufacturers Wi-Fi infrastructure providers


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