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HUAWEI Box 500, Box 700, and Box 900 V600R019C00 Web Online Help

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Sending and Receiving Instant Messages

Sending and Receiving Instant Messages

During a conference, you can send instant messages to the desired remote sites and view or close the instant messages sent from remote sites. Only the chair site can send instant messages to a group of members at a time.


To send and receive instant messages, your endpoint must meet the following prerequisites:

  • Your endpoint is in a conference.
  • Your endpoint uses H.323. Only H.323 sites can send and receive instant messages.
  • T.140 captions have been enabled on your endpoint, because instant messages are a type of T.140 caption. To enable T.140 captions, choose System Settings > GUI Display > Caption and set Sharing mode to T.140.


  1. Choose Conference > Instant Message.
  2. In the displayed Instant Message dialog box, enter a message, which can contain a maximum of 64 characters.
  3. Select the desired remote sites and click Send.

    The message is sent to the remote sites. When receiving the message, the remote sites can view and close the message.

Updated: 2019-06-25

Document ID: EDOC1100038526

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