In regardt to previous troubles and unstabile condition this is realy working version.
1.5p can work with Dial up over serial port
Including FAX capability
Improved interoperability with Cisco and H323 GW/GK
Better Handling of calls, can send Answerconnect command to GK.
I am using iE for Pre paid service and this can work OK. For receiving traffic iE is not the best solution as many others which does not have good answering/disconnectiong supervision