Binary package “mgetty-voice” in ubuntu focal
Voicemail handler for mgetty
Vgetty allows you to add answering machine / voicemail capability to all
the other normal mgetty functions.
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The program 'mgetty' allows you to use a voice modem as an answering
machine and handling external logins without interfering with outgoing
calls.
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To create and manipulate voice messages, you need the mgetty-pvftools
package.