MY scenario is the next. I have 2 video telephones that are conected to the PSTN and they has access trougth a dial up conection to the IP network and the problem is that the 2 video telephones shuld be register before one to other geretate the INVITE then i need make that when the first REGISTER arrive the sip server generate a delay for wait for the REGISTER of the other video telephone and both VT state register for the INVITE message.. Someone knows how can i do this? Thank's Alex. ___________________________________________________________ Do You Yahoo!? La mejor conexión a Internet y <b >2GB</b> extra a tu correo por $100 al mes. http://net.yahoo.com.mx