eero Telephone Adapter

eero Telephone Adapter is an analog telephone adapter accessory that enables eero to support landline phone service. eero Telephone Adapter allows eero users to add dedicated voice connectivity to their home or business.

What is eero Telephone Adapter?

eero Telephone Adapter is a USB-C accessory that can connect to any eero on a network, providing an adapter for traditional telephone headsets via two RJ11 ports. The adapter can connect to any eero sharing power and connectivity with it. eero Telephone Adapter works with eligible ISP home phone plans, and can also be configured using SIP on any of your preferred VoIP services.

eero Telephone Adapter does not support wifi, and does not have any physical RJ44 Ethernet ports.

Features

• Dedicated dedicated VoIP connectivity

• Two RJ11 ports

• Automatic integration into eero networks

• Support for eligible ISP home phone plans

SIP & Network Protocol Support

eero Telephone Adapter supports the following SIP transport types:

• UDP (User Datagram Protocol)

• TCP (Transmission Control Protocol)

• TLS (Transport Layer Security) for secure SIP signaling

What media types are supported?

• RTP (Real-time Transport Protocol) for standard voice transmission

• SRTP (Secure Real-time Transport Protocol) for encrypted media streams

Voice Codecs

eero Telephone Adapter supports a comprehensive range of industry-standard codecs:

• G.711 μ-law/A-law

• G.722 (wideband audio for HD voice)

• G.729 (low-bandwidth codec)

• iLBC (configurable mode 20, internet low bitrate codec)

• iSAC (internet speech audio codec)

• AMR-WB (Adaptive Multi-Rate Wideband, with configurable VAD; additional license may

• apply)

• Opus (modern, versatile codec)

Telephony Feature Support

eero Telephone Adapter supports essential Class 5 telephony features including:

• Caller ID display

• Call Waiting

• Call Transfer (blind and attended)

• Call Forwarding

• Call Hold

• Do Not Disturb

• Multi-way calling (3-way voice conferencing)

• Voicemail integration (when supported by your SIP infrastructure)

• Message Waiting Indication

• Fax

Technical Specifications

Frequently Asked Questions

Do I need an eero Telephone Adapter?

eero Telephone Adapter is primarily designed for ISPs looking to augment any supported eero with voice ports to more easily provide end-customers with landline services. It is otherwise an optional accessory not required for all users.

What types of analog devices can I connect?

• Corded analog phones

• Cordless/DECT phone systems

• Analog fax machines

• Other analog telephone devices

Does eero Telephone Adapter require a separate network connection?

No. eero Telephone Adapter connects via USB-C to your eero device and utilizes your existing eero network. It does not require a separate network connection.

What happens during a power outage?

Since eero Telephone Adapter is powered by the eero it’s connected to, telephone service will be unavailable during a power outage unless your eero network and ISP connection both have backup power (such as a UPS or battery backup system).

What are the power requirements for eero Telephone Adapter?

The packaging for eero Telephone Adapter includes a 45W AC adapter that is sufficient to power both it and the eero it is connected to. Refer to the table below for a full description of power requirements for each eero:

*Only supported when powered by USB-C

Can I use both FXS ports simultaneously?

Yes. Both FXS ports (phone jacks) can be used simultaneously with separate telephone lines, each with its own SIP profile configuration.

What type of power supply is needed for the eero Telephone Adapter?

The included 45W power supply will work universally to power both the adapter and connected eero. However, for eero 6, eero 6+, and eero 7 a 27W supply is sufficient. For eero Pro 6, eero Pro 6E, and eero Pro 7, a 27W supply is sufficient only after the eero has already been updated to 7.15.0 (earlier versions will result in eero flashing orange).

Is there a maximum ring spec?

eero Telephone Adapter supports up to 5 REN (Ringer Equivalence Number).