[asterisk-users] IAX2 Bandwidth setting

[R.Linga Reddy]

Dear Friends,

I have configured mobile users through IAX2, when they are calling 
from out side, my Internet bandwidth is taking 80 Kbits ps ( per channel )

for reducing the bandwidth how will configure the IAX2 in asterisk 
for good quality of voice,

can any help in this regard.

Regards
Linga Redy