Hi That is what I understood and I fail to see the interest of having the voice on one media (tdm) and signalling over IP - is it just to have one more TDM channel ? what's the benefit here ? Rgds, J. On Sat, Jul 3, 2010 at 10:35 AM, Vu Quang Hoa <vutamhoan at gmail.com> wrote: > No, media is transported over TDM as normal. > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-ss7/attachments/20100703/3dc255f3/attachment.htm