Insights & Resources3 min read

The Benefits of E911 Emergency Calling APIs

Standard E911 and Dynamic E911 — learn how they provide the critical information that emergency responders need.

Josh Whitaker
E911 Banner graphic
Emergency situations, unfortunately, can happen at any time. According to research by the National Emergency Number Association, 240 million calls are made to 911 each year. So obviously, it’s important to be prepared with 911 capabilities for your VoIP services. If that wasn’t enough reason, the FCC requires that carriers and VoIP providers meet all industry 911 standards. Telnyx’s emergency calling APIs — Standard and Dynamic E911 — meet these standards.

What are the benefits of using e911?

1. Accurate location information

E911 communicates location metadata to the Public Safety Answering Point (PSAP) when emergency calls to speed the response. The method of location routing differs between Standard and Dynamic E911.
Standard E911 ties a physical address, which you will designate at the time you set up your E911, to your emergency-enabled IP phone number. This information will be passed to emergency responders even if you are unable to communicate it yourself.
Dynamic E911, or E911 with Dynamic Location Routing, is routing based on location object and uses PIDF-LO to provide pin-point accurate location information. In this case phone numbers are decoupled from addresses, and instead associated with an end user. This allows accurate location information down to the floor and suite level to be determined and provided at the time of a 911 call, making it an ideal emergency solution for large enterprises where people are frequently moving around.

2. Compliance with regulations

There are two regulations you should be aware of concerning emergency calling: RAY BAUM’s Act and Kari’s Law. We have an article that goes into depth on both of these, but the bottom line, and rule that Dynamic E911 most directly addresses, is the requirement for any phone system to support 911 calls that include a dispatchable location.

3. Manage E911 from the same interface as your other phone lines

At Telnyx, we've made our Standard E911 services easily accessible in our Mission Control Portal. You can simply activate E911 by indicating that your calls are directed to the appropriate public-safety answering point (PSAP) and communicate a saved address.
You can even test the connection by dialing 933—the service will then read back the address that you validated with the number.

Emergency calling with Telnyx

At Telnyx, we offer Standard E911 services across all of our numbers, and Dynamic E911 to all American and Canadian numbers, to ensure customers have reliable emergency service access. You can get set up with Standard E911 in our Mission Control Portal, or explore developer docs to configure Dynamic E911.
If you’d like more information on how to manage your E911 services or have any questions, get in touch with a member of our team.
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