Yealink SIP-T21 E2 User Manual page 159

You can store text messages in your phone's Inbox, Sentbox, Outbox or Draftbox. Each
of the boxes can store up to 100 text messages. If the number of the text messages in
one box is more than 100, the phone will directly delete the oldest text message in the
box.
Note
SMS is not available on all servers. Contact your system administrator for more
information.
To read a text message:
1. Press Menu->Message->Text Message->Inbox.
2. Select the desired message and then press the View soft key.
Note
If the phone prompts receiving new text messages, you can also press the View soft key
to read the new messages directly.
To send a text message:
1. Press Menu->Message->Text Message->New Message.
2. Compose the new text message. You can press the abc soft key to change the
input mode.
3. Press the Send soft key after completing the content.
4. (Optional.) Press
from the From field.
5. Enter the number you want to send the message to in the To field.
6. Press the Send soft key to send the message or the Back soft key to cancel.
Sending a text message is configurable via web user interface at the path
Features->SMS.
or , or the Switch soft key to select the desired account
Advanced Phone Features
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