From July 2025, NTT Communications has changed its name to NTT DOCOMO BUSINESS.
NTT DOCOMO BUSINESS
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COTOHA Translator
Why do translation results sometimes differ depending on the presence or absence of punctuation?
FAQ for COTOHA Translator Why do translation results sometimes differ depending on the presence or absence of punctuation? It is a characteristic of NMT technology. The results may vary depending on p
Arcstar Universal One Virtual
I cannot connect to the Virtual Network via vApp.
NTT Communications' support information. This page shows frequently asked questions on Arcstar Universal One Virtual in detail. I cannot connect to the Virtual Network via vApp. STG→商用 If you cannot c
I'd like to know how to setup and how to use it.
This page explains how to use "COTOHA Translator". I'd like to know how to setup and how to use it. After logging in to COTOHA Translator, you can get manuals from the help menu (? icon) upper right o
When trying to add a destination UserNetwork, the message 'The address is incorrect' is displayed.
NTT Communications' support information. This page shows frequently asked questions on Arcstar Universal One Virtual in detail. When trying to add a destination UserNetwork, the message "The address i
About profile check of vApp (iOS/MacOS)
NTT Communications' support information. This page shows frequently asked questions on Arcstar Universal One Virtual in detail. About profile check of vApp (iOS/MacOS) If you are using this service wi
Display [330] error code when connecting to vApp(Windows).
NTT Communications' support information. This page shows frequently asked questions on Arcstar Universal One Virtual in detail. Display [330] error code when connecting to vApp(Windows). There might b
What is the meaning of vApp (Windows) error codes?
NTT Communications' support information. This page shows frequently asked questions on Arcstar Universal One Virtual in detail. What is the meaning of vApp (Windows) error codes? The meaning of vApp (
I would like to know how to install vApp.
NTT Communications' support information. This page shows frequently asked questions on Arcstar Universal One Virtual in detail. I would like to know how to install vApp. Here is an explanation of how
NTT DOCOMO BUSINESS Business Portal
What if I forget identification information for Business Portal?
I forgot the information for the Identity Verification. What if I forget identification information for Business Portal? If you forgot your Identification information such as your email address, name,
What is NTT Communications Business Portal?
By providing visual status as well as self-service functions, the Business Portal can deliver services to you on-demand and in a timely manner. What is NTT Communications Business Portal? By providing
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