FreeSWITCH 1.8

Voicemail

One of the finest features of the example demo configuration is the ready made voicemail system, brought to you by mod_voicemail. The last four actions in "Local_Extension" in demo dialplan are as follows:

        <action application="bridge" data="user/${dialed_extension}@${domain_name}"/> 
        <action application="answer"/> 
        <action application="sleep" data="1000"/> 
        <action application="bridge" data="loopback/app=voicemail:default ${domain_name} ${dialed_extension}"/> 

This means: try to connect the incoming call to the callee (that is, to the dialed_extension, that was derived from destination_number), if you fail to connect it (eg, the phone(s) at dialed_extension is/are not answered before the 30 second timeout), then answer the incoming ...