From July 2025, NTT Communications has changed its name to NTT DOCOMO BUSINESS.
NTT DOCOMO BUSINESS
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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
NTT DOCOMO BUSINESS Business Portal
Which services are supported in this portal?
NTT Communications' support information. This page shows frequently asked questions on NTT Communications Business Portal in detail. Which services are supported in this portal? Following services are
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
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
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 (
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
I can successfully connect to the Internet, but cannot connect to the UNO virtual using the vApp / vAdapter.
NTT Communications' support information. This page shows frequently asked questions on Arcstar Universal One Virtual in detail. I can successfully connect to the Internet, but cannot connect to the UN
How can I change login ID （email address）?
NTT Communications' support information. This page shows frequently asked questions on NTT Communications Business Portal in detail. How can I change login ID （email address）? You can change login ID
Which address should I set for 'Access List' of vCore, a global IP address or private IP address?
NTT Communications' support information. This page shows frequently asked questions on Arcstar Universal One Virtual in detail. Which address should I set for "Access List" of vCore, a global IP addre
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
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