The term Voicemail was coined by Televoice International (later became Voicemail International) for introduction of the first nationwide Voicemail® service in 1980.
Check Wikipedia and read about their Voicemail article.
A voicemail is an audio recording of a message left by a telephone caller.
You can extend the length of time on a voicemail by checking the options that are listed with it. It will give you the option of choosing to lengthen your voicemail there.
It is possible that police will leave a voicemail on your phone.
No, you cannot change your voicemail without service.
If you're trying to access voicemail for your cellphone its typically your own number. If you start to hear your voicemail greeting hit either * or # (depends on the carrier) and follow the prompts. If you are trying to check the voicemail for a land line contact your phone company. These numbers can vary based on location and phone company.
To set up your Consumer Cellular voicemail, start by pressing and holding the "1" key on your phone, or dial your own number. Follow the prompts to create a password and record your greeting. Once you’ve completed these steps, your voicemail will be ready to use. If you need further assistance, you can refer to the Consumer Cellular website or customer support.
Voicemail is provided by your network and you will need to ask them if you can get voicemail.
Voicemail - 2011 was released on: USA: October 2011
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That depends entirely on the specific voicemail system. Each system is different.