Enhanced Call Verification (ECV) is an alarm monitoring procedure required by many cities, counties, and states to reduce false alarms. It requires an alarm monitoring center to make at least two phone call attempts to verify an alarm before requesting police dispatch.
ECV is most commonly applied to burglary and intrusion alarms and is written into alarm ordinances by local authorities having jurisdiction over each city/county (AHJs).
How Enhanced Call Verification Works
When a monitored alarm signal is received, the monitoring center follows a verification process before contacting law enforcement.
In most cases, the process works like this:
- The alarm signal is received by the monitoring center
- The monitoring center places a first verification call
- If the alarm is not confirmed, a second verification call is made to a different number
- If the alarm is verified or no contact can be made, police are dispatched according to local ordinance
This process typically happens within seconds and is designed to confirm responsibility for the alarm before emergency resources are used.
Who Receives Enhanced Call Verification Calls?
The phone numbers called during ECV depend on how the account is set up, but most commonly include:
- The phone number at the alarm location
- The account holder’s mobile phone
- An alternate contact listed on the account
Because ECV relies on reaching the correct person quickly, it is important for alarm users to keep their contact information up to date with their monitoring provider.
What Happens After ECV Is Completed?
Once ECV has been performed, one of two things happens:
- If the alarm is confirmed as legitimate, the monitoring center immediately requests police dispatch to the address on file
- If the alarm cannot be verified after the required call attempts, police may still be dispatched, depending on local ordinance and account instructions
ECV ensures that monitoring centers are not dispatching police without first attempting verification.
Why Enhanced Call Verification Exists
Enhanced Call Verification was created to address a widespread problem: false alarms.
False alarms:
- Waste police time and resources
- Delay response to real emergencies
- Often result in fines for property owners
- Create strain between alarm users and local law enforcement
By requiring verification before dispatch, ECV significantly reduces unnecessary police responses while still allowing rapid response to real threats.
How Effective Is Enhanced Call Verification?
Enhanced Call Verification is not just a policy change. It has been proven to significantly reduce unnecessary police dispatches.
After ECV laws and ordinances were implemented in various jurisdictions, police departments reported a 30 to 50 percent reduction in alarm-related dispatches within the first year of its adoption. This reduction helps law enforcement agencies focus their time and resources on real emergencies rather than responding to accidental or invalid alarm activations.
Enhanced Call Verification was developed as an alarm management protocol in cooperation with law enforcement and the alarm industry. Its purpose is simple: filter out false alarms before emergency resources are deployed, while still allowing for fast response when a real threat exists.
By requiring monitoring centers to make at least two verification calls before requesting police dispatch, ECV has proven to be one of the most effective tools for reducing false alarms nationwide.
When Enhanced Call Verification Is Not Required
Enhanced Call Verification is primarily used for burglary and intrusion alarms. In most jurisdictions, ECV is not required for certain alarm types where immediate response is critical.
These typically include:
- Fire alarms
- Robbery-in-progress alarms
- Panic or duress alarms
- Alarms verified by video or audio confirmation
Exemptions like these ensure that life safety and active crime situations receive immediate attention without delay.
Does Every City or State Require Enhanced Call Verification?
No. Alarm requirements vary by location.
Some jurisdictions:
- Require Enhanced Call Verification
- Require verified response, which needs visual or eyewitness confirmation
- Have no verification requirement at all
Because alarm ordinances are set at the local level, requirements can differ from city to city, even within the same state.
Property owners with monitored alarm systems are responsible for understanding and complying with the alarm ordinances in their jurisdiction.
If you are curious if your city in Georgia has an alarm ordinance visit our alarm ordinance page to find out.
Is Enhanced Call Verification Required for Fire Alarms?
In most cases, no.
Fire alarms, panic alarms, and duress alarms are often exempt from ECV requirements because of the need for immediate response. Many laws and ordinances specifically exclude these alarm types to avoid delays when life safety is at risk.
Does Enhanced Call Verification Delay Police Response?
In practice, ECV does not cause meaningful delays.
Verification calls are typically placed immediately after an alarm signal is received. If the alarm is verified or cannot be quickly resolved, dispatch occurs promptly.
The small verification window is outweighed by the benefit of preventing unnecessary police responses and ensuring emergency resources are available for real emergencies.
Enhanced Call Verification vs. Verified Response
These two terms are often confused, but they are not the same.
Enhanced Call Verification
Requires multiple phone call attempts before police dispatch.
Verified Response
Requires visual, audio, or eyewitness confirmation before police will respond.
Some jurisdictions use one, the other, or a combination of both.
Why Keeping Contact Information Updated Matters
Because ECV depends on reaching the right person quickly, outdated contact information can result in:
- Delayed dispatch
- Missed verification
- Increased risk of fines
- Reduced effectiveness of the alarm system
Keeping phone numbers and contacts current is one of the simplest ways to ensure ECV works as intended.
Final Takeaway
Enhanced Call Verification is a widely adopted alarm monitoring practice designed to reduce false alarms and improve the efficiency of police response.
By requiring multiple verification calls before dispatch, ECV helps ensure that emergency services are sent only when there is a real need, while still allowing for fast response when an alarm is legitimate.
If you have a professionally monitored security system, ECV plays a critical role in how your alarm is handled during an emergency.
Contact Callaway Security & Sound for your home and business alarm system needs.
