ATA Devices

An Analog Telephone Adapter (ATA) is a device used to connect one or more standard analog telephones to a digital telephone system (such as Voice over IP) or a non-standard telephone system.

Learn More: Back to Basics - What is an ATA?

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Company: Atcom
Ports: 1 FXS port
Overview: Single-port voice gateway with built-in router and lifeline port support.

Company: Auerswald
Type: Communication center
Overview: Multi-line communication system supporting analog, ISDN, and VoIP connections.

• Manufacturer: Grandstream
• Ports:
  • Two RJ11C FXS for analog phones
  • One Fast Ethernet network
• Features: Virtual fax (T.38), call encryption (TLS & SRTP)
• Overview: Two-port analog telephone adapter with encryption and automated provisioning.

• Manufacturer: Grandstream
• Ports:
  • Two RJ11C FXS for analog phones
  • One Gigabit Ethernet network
  • One USB Micro-B for AC power
• Features: Virtual fax (T.38), call encryption (TLS & SRTP), touchtone configuration, automated provisioning, self-updating firmware, custom ringtones, pulse dialing, dynamic DNS
• Overview: Updated version of the HT802 with enhanced performance and security features.

Company: Media5 Corporation
Ports: Up to 24 analog ports
Overview: Enterprise VoIP adaptors with SIP over TLS and SRTP security features.

Company: Polycom
Ports: 1 FXS port
Overview: Single-port ATA with T.38 fax support for home office applications.

Company: ReadyNet Solutions
Type: Wi-Fi router with built-in ATA
Overview: Dual-band Wi-Fi router with integrated two-line (AC1000MS) or one-line (AC1300MS) SIP ATA.

• Cisco / Linksys
  • PAP2 - First released in 2004, this model featured two RJ-11 FXS ports and one 10BaseT/100BaseTX RJ-45 network port; it was declared to be end-of-life and support was discontinued in 2014.
  • PAP2T - Discontinued two-port ATA with enhanced features
  • SPA112 - Discontinued two-port analog telephone adapter
  • SPA2100 - Discontinued phone adapter
  • SPA2102 - Discontinued phone adapter with router
  • SPA941 - Discontinued phone adapter
  • WRP400/WRP500 - Discontinued wireless routers with built-in ATA (discontinued 2017)
• Grandstream
  • HandyTone HT486 - Legacy HandyTone model superseded by newer versions
  • HandyTone HT502 - Legacy HandyTone model with router functionality
  • HandyTone HT702 - Legacy HandyTone model superseded by HT802 series
• Netgear
  • WGR615V - Discontinued wireless router with built-in ATA
• ObiHAI
  • OBi 100/110/200 - Legacy OBiHAI devices (company acquired by Polycom)
• Telco
  • AC-211 - Legacy ATA from defunct SunRocket service
• TP-Link
  • TD-VG3631 - DSL modem/router combo with VoIP functionality

ℹ️ For new deployments, we recommend avoiding these devices and choosing one of the supported devices listed above.