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Two-Way Voice Monitoring

Delivering Unparalleled Verified Response


Verified Alarm Response

Two-way voice monitoring offers unique advantages to security system users, especially when it comes to a “verified response.” Police jurisdictions around the United States have started requiring additional levels of verification to ensure that they aren’t using valuable police time to act on false alarms. Two-way voice gives users the chance to speak directly with a central station operator to give a live update on the current situation without having to wait for a phone call.


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To learn more about two-way voice monitoring

Types of Two-Way Voice

In most cases, a subscriber will have a password, and a duress word recorded in their account. When an operator connects with a user on the other end of a two-way voice system, the subscriber can safely deliver the appropriate word, depending on the situation. If a burglar, for example, asks for the password from the user, they can instead offer the duress code, which will instruct the operator to react normally, but gather police assistance immediately.

There are a few different types of two-way voice technology that can be implemented, depending on the needs of your customer, and the product in place. Here, we have listed them out, and the pros and cons of each:

Full Duplex

  • Pros: Functions like a standard phone call. Simple to use, with less manual functions, and can be switched to toggle mode if volume is not sufficient.
  • Cons: Volume cannot get as high as other two-way styles.


  • Pros: High volume capabilities which help when the user must speak or hear from another room.
  • Cons: Toggle requires the operator to switch from listening to speaking modes each time, often limiting the efficiency of a normal conversation.


  • Pros: Two-way technology that functions well in mobile devices, and does not require a landline.
  • Cons: Not designed for hard-wired technologies, and volume capabilities are not as good as toggle

Two-Way Voice Monitoring

AvantGuard offers a variety of two-way voice options:

  • Full duplex to handle standard phone calls
  • Toggle two-way voice to for high volume calls
  • P-call which works with mobile devices