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Quick Overview

The Guardian Telecom ACR-11-VoIP is a SIP-enabled IP Telephone that was designed to withstand nasty and harsh weather conditions.

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Guardian Telecom ACR-11-VoIP Information:

Guardian Telecom's ACR-11-VoIP is a SIP-enabled IP Telephone that was built to withstand severe and inclement weather conditions. It is a cast aluminum ringdown IP telephone and it delivers dependable, top notch quality communications even in less-than-stellar conditions. The Guardian ACR-11-VoIP can be housed in a locking or non-locking cast aluminum encasement that resists moisture, dirt, corrosion, and whatever else Mother Nature can throw its way. The Guardian Telecom ACR-11-VoIP was made for use in industrial areas and is an ideal choice for outdoor locations. The ACR-11 features a heavy-duty coil handset cord. This phone is perfect for swimming pools, refineries, greenhouses, sewage plants, drilling rigs, construction sites, mines, and more!



  • Ringdown operation
  • PoE (Power over Ethernet) 802.3af enabled or alternate power source
  • Compatible with most SIP-based IP-PBX servers
  • Network web management interface
  • Guardian Discovery Utility
  • Self diagnostic testing
  • Network adjustable speaker volume and microphone sensitivity
  • Network downloadable firmware
  • Remote programming
  • Weather and dust proof metal keypad
  • Heavy-duty coil handset cord
  • Auto dial on/off hook
  • Powder-coated die cast aluminum encasement
  • Locking or non-locking door
  • Temperature range -22 ̊ to +140 ̊F ( -30 ̊ to +60 ̊C )
  • Weather, dust, and corrosion resistant
  • Magnetic reed hook switch
  • Modular parts for easy service
  • Hearing aid compatible


Mfg. Part Number:  ACR-11-VOIP

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