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Cloud App KDDI UCaaS

Speed up your business with the optimal communication tool

What is KDDI UCaaS?

KDDI UCaaS is a Cloud based Unified Communications solution and provides managed and hosted Unified Communications and collaboration services to customers.

It offers the integration of real-time enterprise communication services such as voice call, video call, voicemail, instant messaging, presence, and mobility features on a single, streamlined platform over the cloud.

Customer can leverage the service from anywhere, as long as there is Internet connectivity, making it the best way to realise easy and efficient communication from a variety of devices.

Benefits of KDDI UCaaS 

Increase work productivity by improving business communication tool


KDDI UCaaS enables you to make and receive both internal and external phone calls through a variety of devices.

Enabling you to work flexibly


You can connect with colleague and customers regardless of location, time, and type of device as easily as if you were in the office. You will no longer be limited to work in the office.

Speed up your business communication


You can use voice call, instant messaging, and video communication depending on your needs.

Service Functions

Standard Services


  • Voice Messages
  • Audio Conference
  • Voice/Video Call
  • Directory
  • Presence
  • Instant Message
  • Screen Sharing
  • File Sharing
  • Mobility

Optional Services


  • Video Conference
  • Call Recording
  • Call Billing
  • IP Fax
  • Auto Attendant

Service Configuration

Service Platform and Application

The Service is built on the Cisco Hosted Collaboration Solution (HCS). Its architecture consists of multiple functional network components.
The unified communications services is provided via the application Cisco Jabber™ It works on devices such as Andoroid, iPhone, iPad, Mac, and Windows.

KDDI is a Cisco Premier Partner.

Connection Type

  1. Private leased line
  2. Internet + VPN tunnel /LAN-to-LAN
  3. Internet

What is the best solution for your problem?
Please consult a KDDI consultant.

General Inquiry: 0800-631-3131

Starlink: 0207-507-1171

Office Hours: 9:00~17:00
(Closed Saturday, Sunday, and UK Bank Holidays)