Provider of an officially recommended app for NTT East and NTT West

Japan's standard for smartphone extensionsCommunications
for the next AGE

Over twenty years of SIP/VoIP engineering. We enable remote work on the business phone systems companies already own, and bring call costs down.

Our services Contact us

Trusted connections. Proven at scale.

45,000+

Locations running the AGEphone series

400,000+

Registered accounts

21years

Since incorporation in 2005

Telecommunications carrier E-27-0387 Privacy Mark No. 20003055 Officially recommended VoIP app of NTT East and NTT West Predecessor founded 1997 · over 20 years in business

A quarter-century of work, including adoption by a national government agency for secure communications and technology supplied to companies listed on the Tokyo Stock Exchange. See our history →

What we do

What ageet makes possible

ageet Corporation is a Kyoto-based specialist that builds its own SIP/VoIP technology. Made-in-Japan voice technology, supporting the communication systems businesses run on.

An incoming call on a smartphone showing the caller's company details, delivered by the αZXII and +Phonebook Cloud

Smartphone extensions

Connect to the phone equipment you already have, and get remote work and lower call costs at the same time. Japan's standard approach to smartphone extensions, easy to deploy.

Service details

Hikari Denwa on a smartphone

A service we provide together with a major telecom carrier. Launched in 2011 and still in daily use in homes and offices more than a decade later.

See the products

An ageet engineer at work on a development machine

SIP/VoIP engineering consulting

Launching cloud contact centers, building secure calling systems for government and financial institutions, adding telephony to IoT devices and handheld game consoles, improving IP-PBX audio quality — we take on demanding work.

See case studies (Japanese)

AI in the cloud connected by voice to smartphones, PCs and office business phones

Voice AI that answers the phone

Virtual AGEphone joins your PBX as one more extension and handles inbound and outbound calls over real lines. AGEphone Cowork transcribes and summarizes calls automatically, drafting minutes and follow-up emails. Your existing phone system stays as it is, connected over standard SIP.

See voice AI products

A businessperson taking a call on a smartphone outside an office building

Anywhere is your office

Your company number, in your pocket.

Make and take calls on your extension or main company number, whether you are out on the road or working from home. Smartphones become extension handsets without replacing the business phone system you already run.

Remote work support (Japanese) All products

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