If the message is not saved by the user, it will be automatically deleted when closing it. Some phones does not display the sending time and sender's number at all, but there is also phones that show them, so you cannot send anonymous messages this way. 50 characters are allowed by the phone, but the message may still be cut by some networks. Message Waiting Information. A short message may contain a header that informs about received special messages like voicemail, fax messages, and email messages.
Phones usually display the message and turn on some kind of symbol.
The indicators will disappear only after receiving a message that tells the number of waiting messages to be zero. The indicators will stay after phone reboot. The letter V makes the message to turn on the voicemail indicator, F the fax indicator, and E the email indicator. Lower case letters makes the message to remove corresponding indicators. Slow Data Service One.