27th February 2001 at 20:11 #20024
Are you using MGCP or H.323 since you bring up an MGC it leads me to believe MGCP, but you bring up tech prefix which is specific to H.323.
That being said # and * should work fine in the dial peers. In an H.323 network. If in an MGCP network that would be the function of the MGC and its ability.