HTC One E9 dual sim‎

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Dialing an extension number

To skip voice prompts when dialing an extension number, do one of the following:
  • After dialing the main number, press and hold * . A comma (,) is added to the number you are dialing. Enter the extension number, and then tap the call button. You will be connected to the mainline and then to the extension number.
  • After dialing the main number, press and hold# to add a semicolon (;). Enter the extension number after the semicolon , and then tap the call button. After connecting to the main line, tap Send to dial the extension number.

You can save phone numbers with an extension in the People app.

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