add sip_execute_on_image variable similar to execute_on_answer etc so you can run t38_gateway or rxfax etc when you get a T.38 re-invite but no CNG tone or you want to ignore the tone and only react when getting a T.38 re-invite

supress errors caused from -nosql as reported on the mailing list and not on JIRA like it should be http://jira.freeswitch.org

play files saying vol level in conf in lieu of making a function of say modules to return file_string urls (we need that)

And store some more ip infos in the listener struct

also allow to specify a blank ip which means: all