IP-based enhanced emergency services using intelligent client devices
First Claim
Patent Images
1. A method of configuring a packet based phone for initiating an emergency call in a packet based network, comprising:
- receiving an ERL record at a packet based phone, said ERL record being associated with the phone'"'"'s emergency response location;
transmitting from the packet-based phone at least a portion of the ERL record as part of an emergency call setup process; and
transmitting a first notification message to a monitoring station when a 911 call is placed by a phone;
wherein;
the monitoring station ensures that a corresponding notification message is received from a PSTN gateway, andthe monitoring station issues an alarm if it fails to receive the first notification message from the phone and the corresponding notification message from the PSTN gateway.
7 Assignments
0 Petitions
Accused Products
Abstract
Providing enhanced emergency services (E-911) to an IP Telephony-based PBX or similar system, by utilizing aspects of the intelligence of end-user SIP client devices to address challenges and difficulties associated with E-911-like services in LAN-based telephony environments.
224 Citations
32 Claims
-
1. A method of configuring a packet based phone for initiating an emergency call in a packet based network, comprising:
-
receiving an ERL record at a packet based phone, said ERL record being associated with the phone'"'"'s emergency response location; transmitting from the packet-based phone at least a portion of the ERL record as part of an emergency call setup process; and transmitting a first notification message to a monitoring station when a 911 call is placed by a phone; wherein; the monitoring station ensures that a corresponding notification message is received from a PSTN gateway, and the monitoring station issues an alarm if it fails to receive the first notification message from the phone and the corresponding notification message from the PSTN gateway.
-
-
2. A method of configuring a packet based phone for initiating an emergency call in a packet based network, comprising:
-
receiving an ERL record at a packet based phone, said ERL record being associated with the phone'"'"'s emergency response location; transmitting from the packet based phone at least a portion of the ERL record as part of an emergency call setup process; and transmitting a first notification message to a monitoring station when a 911 call is placed by a phone; wherein; the monitoring station ensures that a corresponding notification message is received from a PSTN gateway, and a SIP NOTIFY message is used to send the notification from the PSTN gateway to the monitoring station.
-
-
3. A method of configuring a packet based phone for initiating an emergency call in a packet based network, comprising:
-
receiving an ERL record at a packet based phone, said ERL record being associated with the phone'"'"'s emergency response location; transmitting from the packet based phone at least a portion of the ERL record as part of an emergency call setup process; and transmitting a first notification message to a monitoring station when a 911 call is placed by a phone; wherein a SIP NOTIFY message is used to send the notification from the phone to the monitoring station.
-
-
4. A method of configuring a packet based phone for initiating an emergency call in a packet based network, comprising:
-
receiving an ERL record at a packet based phone, the ERL record containing at least one or more ELINs and address information for contacting one or more emergency PSTN gateways; responsively storing at least the information in the ERL record required to initiate a 911 call. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
-
-
13. A method of configuring a packet based phone for initiating an emergency call in a packet based network, comprising:
-
establishing a plurality of ERL records, each of the ERL records containing at least the following information;
ERL ID;
textual location description;
managed network connection points associated with the ERL;
ELINS associated with the ERL;
PSTN gateways associated with the ERL;establishing a plurality of phone location information records, each of the phone location records containing at least the following information;
a IP address of the phone;
a MAC address of the phone;
a serial number of the phone;
an ERL ID associated with the phone;
a managed network connection point associated with the phone;
an ELIN associated with the phone;
one or more PSTN gateways associated with the phone; andtransmitting to a phone at least part of the ERL record including parameters enabling the packet based phone to initiate an emergency 911 call. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
-
Specification