E911 backhaul routing tests remote from coverage area
The disclosed technology teaches testing voice connection routing over 911 circuits as if voice calls originated from an E911 device in coverage areas of cell tower locations, without requiring a physical presence of the E911 device in each coverage area. A remote test agent audio bridge and tester originates a first call to a test user with a first phone number, creates a media bridge, emulates an E911-compliant mobile device to originate a second call to a 911 operator, relays audio over the media bridge as a verbal exchange between the first and the second calls, and logs an evaluation of the verbal exchange. The emulation includes spoofing a call origination from an origination location being tested, the spoofed origination location being within coverage of an originating cell.
1. A computer-implemented method of testing voice connection routing over 911 circuits as if voice calls originated from an E911 device in coverage areas of cell tower locations, without requiring a physical presence of the E911 device in each coverage area, including:
using a remote test agent audio bridge and tester:
originating a first call to a test user with a first phone number at a first location;
emulating an E911-compliant mobile device to establish a second call to a 911 operator, wherein the emulation includes spoofing a call origination from an origination location being tested, the spoofed origination location being within coverage of an originating cell, the spoofing including providing an originating cell ID, a mobile device latitude, a mobile device longitude, and the first phone number;
creating a media bridge between the first call and the second call;
relaying audio over the media bridge as a verbal exchange between the first and the second calls wherein the verbal exchange includes:
a verbal statement by the test user to the 911 operator; and
a verbal response from the 911 operator; and
logging, as test results, an evaluation of verbal exchange.
2. The method of claim 1 , further including the remote test agent audio bridge originating the second call over an S1 interface between an emulated cell tower and a packet core network.
3. The computer-implemented method of claim 1 , wherein the media bridge practices a Real-time Transport Protocol (RTP).
4. The computer-implemented method of claim 1 , wherein the providing further includes providing a mobile device elevation, and confidence & uncertainty.
5. The computer-implemented method of claim 1 , wherein the verbal statement and response include the first phone number, the spoofed mobile device latitude and longitude to information on a display used by the 911 operator.
6. The computer-implemented method of claim 1 , wherein the mobile device latitude and mobile device longitude is provided through Mobile Location Protocol (MLP).
7. The computer-implemented method of claim 1 , wherein the emulation further includes providing a URN includes a string “test.sos” that is used by PSAPs to screen test calls.
8. The computer-implemented method of claim 1 , wherein the test user is outside of the coverage area of the originating cell.
9. The computer-implemented method of claim 1 , further including the first call being a normal call and the second call being an emergency services call.
10. The computer-implemented method of claim 9 , wherein the first call and second call have separate Access Point Names (APNs).
11. A non-transitory computer readable storage medium impressed with computer program instructions to test voice connection routing over 911 circuits as if voice calls originated from an E911 device in coverage areas of cell tower locations, without requiring a physical presence of the E911 device in each coverage area, the instructions, when executed on a processor, implement a method comprising:
using a remote test agent audio bridge and tester:
originating a first call to a test user with a first phone number at a first location;
emulating an E911-compliant mobile device to establish a second call to a 911 operator, wherein the emulation includes spoofing a call origination from an origination location being tested, the spoofed origination location being within coverage of an originating cell, the spoofing including providing an originating cell ID, a mobile device latitude, a mobile device longitude, and the first phone number;
creating a media bridge between the first call and the second call;
relaying audio over the media bridge as a verbal exchange between the first and the second calls wherein the verbal exchange includes:
a verbal statement by the test user to the 911 operator; and
a verbal response from the 911 operator; and
logging, as test results, an evaluation of verbal exchange.
12. The non-transitory computer readable storage medium of claim 11 , further including the remote test agent audio bridge originating the second call over an S1 interface between an emulated cell tower and a packet core network.
13. The non-transitory computer readable storage medium of claim 11 , wherein the emulation further includes providing a URN includes a string “test.sos” that is used by PSAPs to screen test calls.
14. The non-transitory computer readable storage medium of claim 11 , further including the first call being a normal call and the second call being an emergency services call.
15. The non-transitory computer readable storage medium of claim 14 , wherein the first call and second call have separate Access Point Names (APNs).
16. A system including one or more processors coupled to memory, the memory loaded with computer instructions to test voice connection routing over 911 circuits as if voice calls originated from an E911 device in coverage areas of cell tower locations, without requiring a physical presence of the E911 device in each coverage area, the instructions, when executed on a processor, implement actions comprising:
using a remote test agent audio bridge and tester:
originating a first call to a test user with a first phone number at a first location;
emulating an E911-compliant mobile device to establish a second call to a 911 operator, wherein the emulation includes spoofing a call origination from an origination location being tested, the spoofed origination location being within coverage of an originating cell, the spoofing including providing an originating cell ID, a mobile device latitude, a mobile device longitude, and the first phone number;
creating a media bridge between the first call and the second call;
relaying audio over the media bridge as a verbal exchange between the first and the second calls wherein the verbal exchange includes:
a verbal statement by the test user to the 911 operator; and
a verbal response from the 911 operator; and
logging, as test results, an evaluation of verbal exchange.
17. The system of claim 16 , further including the remote test agent audio bridge originating the second call over an S1 interface between an emulated cell tower and a packet core network.
18. The system of claim 16 , wherein the media bridge practices a Real-time Transport Protocol (RTP).
19. The system of claim 16 , wherein the providing further includes providing a mobile device elevation, and confidence & uncertainty.
20. The system of claim 16 , wherein the verbal statement and response include the first phone number, the spoofed mobile device latitude and longitude to information on a display used by the 911 operator.