Yealink SIP-T28P - Manual (Page 137)

Advanced Phone Features
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To send a text message:
1. Press Menu->Messages->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.
4. (Optional.) Press or , or the Switch soft key to select the desired account
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.
To reply a text message:
1. Press Menu->Messages->Text Message->Inbox.
2. Select the desired message and press the Reply soft key.
3. Compose the new text message. You can press the abc soft key to change the input
mode.
4. Press the Send soft key after completing the content.
5. Check the From and To fields, and then press the Send soft key.
To delete a text message:
1. Press Menu->Messages->Text Message->Inbox (Sentbox, Outbox or Draftbox).