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doc: Update features document
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@ -236,3 +236,27 @@ Text Telephony
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- TTY (hearing impaired) support, also known as Cellular Text Modem (CTM).
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In case it's supported by the modem, oFono allows the user to enabled
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or disable it through the TextTelephony interface.
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Emergency Calls
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===============
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- EFecc support. During SIM initialization phase oFono reads EFecc in order
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to bootstrap the emergency calling codes provides by the SIM. If the SIM is
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not present or EFecc has not been read yet, the default set of emergency
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calling codes is used.
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- Emergency number reporting. The current known list of emergency calling
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codes is reported by oFono in the EmergencyNumbers property on the
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VoicecallManager interface. When a voicecall is made to a number present
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on the EmergencyNumbers list it is automatically flagged as an emergency
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call. This is done by setting the Emergency property on the Voicecall
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interface to TRUE.
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Supplementary Services
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======================
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- CNAP support. The Calling Name Presentation supplementary service is
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supported by oFono. One can query whether the service is provisioned in the
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network by using the CallSettings property. If the network reports the
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calling name, it is presented on the Voicecall interface using the Name
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property. If no calling name is given, the Name is empty.
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