[Asterisk-Users] Detection of Answering Machine

[Innocent Evil]

Hello,

To detect an answering machine I have found following two commands,

BackgroundDetect (comes with asterisk)
MachineDetect (asterisk add-ons)

First question, does BackgroundDetect works well with g729?

I havn't try MachineDetect yet, what is the benefit of MachineDetect over BackgroundDetect.

If anybody used any of this command successfully, please help me.
If possible, please let me know a good example of using these commands.
What are the common mistakes users do to use these commands?
Is there any documentation available arround other than voip-info.org


Thanks

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