POTS IN A BOX®
Advanced VAB-1

LTE POTS Replacement Solution

The VAB-1 POTS IN A BOX®replaces legacy wireline POTS lines by routing calls over IP with automatic LTE failover for always-on connectivity. With diverse routing plus an integrated UPS and 24-hour capable battery, it keeps critical analog devices online through internet and power outages.

Elevator Phones Fire & Burglar Alarms Emergency Phones Modems / M2M / SCADA Fax Lines

POTS IN A BOX®
Key Features & Benefits

Engineered to keep you connected during power and internet outages, ensuring that your essential operations continue without disruption

8 RJ-11 Lines

Plug-and-play VoIP line support

Analog Replacement

Suports FAX, alarms, elevators, POS, M2M, E-911, and more

Integrated UPS

UPS external power backup for approved devices

Cellular Internet Backup

Automatic cellular failover with dual SIM redundancy

GNSS Location Services

Integrated GNSS for E911 emergency communications

Battery Backup

24-hour power failover battery

Management & Visibility

Device management platform with real-time monitoring and alerting

Secure Network

Firewalled routing via NOC to enable call origination & completion

Designed for Critical Analog Lines

Elevator & Emergency Phones

Support for auto-dial call boxes and “ring-down” circuits helps keep emergency communications available.

Fire & Security Alarm Signaling

Multi-protocol support for fire and security alarms, with monitoring and alerting options.

Fax, Modems, M2M, & SCADA

Supports legacy fax and analog data use cases, including modems, telemetry, and machine-to-machine communication.

Device Specifications

Ports
  • 8 RJ-11 FXS ports with Voltage Protection
  • 1 WAN RJ-45
  • 2 LAN RJ-45
  • USB-A
Hardware
  • CPU 1GHz, Dual Core
  • 256MB RAM
Cellular
  • 2 SIM Card Slots
  • Cellular LTE Radio Bands: 2/4/5/12/13/14/66/71
Power
  • DC input 10–16VDC
  • AC Power Adapter
  • Internal lithium-ion battery with up to 24 hours standby* (hot-swappable)
Operating Environment
  • Operation Temperature: 0°C to +40°C
  • Storage Temperatore: -30°C to +70°C
  • Relative Humidity: 10% to 90% Non-Condensing
Router Options Optional wired NAT router features include DHCP, VPN, firewall

* Battery duration varies based on usage.

Simplify Device Management

Secure web-based management, dashboards, and line monitoring make it easy to deploy and manage at scale.

  • Restricted access to configuration and controls.
  • Line status monitoring with alert capabilities.
  • Mass provisioning plus a developer API for integration.
DataRemote Ara Device Management Platform for POTS Line Replacement Solutions

Device Certifications

VAB-1 Device Certifications
VAB-1 Device Certifications

Frequently Asked Questions

What does the VAB-1 replace?

The VAB-1 is designed to replace traditional wireline POTS lines used by legacy analog devices by carrying voice and signaling over LTE and internet pathways.

Will the VAB-1 work with elevator phones, alarm panels, and call boxes?

Yes, the VAB-1 supports common POTS replacement use cases such as elevator/emergency/ring-down phones and fire/security alarm signaling, plus monitoring features for visibility.

Does the VAB-1 support fax and modem-style communication?

Yes—the VAB-1 supports legacy fax transmission and legacy analog data use cases, including modem/M2M communication and telemetry/SCADA-style applications.

What happens during an internet or power outage?

VAB-1 supports routing over cellular and alternative internet access pathways for failover, and includes an internal battery designed for up to 24 hours standby to improve continuity during local power events.

What certifications does the VAB-1 hold?

The VAB-1 is AT&T FirstNet Trusted and Certified on major carriers such as AT&T and Verizon. It meets critical regulatory and safety standards—including FCC (AJLF-90X2), PTCRB, IEEE-1625, and UL62368-1, UL-2054, UL864 (ETL label)—as well as industry standards from the CA Energy Commission and the Department of Energy, ensuring compliance, reliability, and top performance.