Changing variants entails invoking a few hidden commands:			
Enter: D1 to enable debug mode			
Enter: T0 to enable hidden commands			
password: InnoMedia			
Enter: T1 to select protocol variant			(3328 Th)
Enter protocol code:			
"1 = Generic PacketCable NCS (eg., Syndeo)"			
101 = Telcordia NCS			
1101 = Nuera GR303			
1001 = Nuera V5.2			
2001 = Lucent NCSG Softswitch			
3001 = ZTE MGCP			
3101 = Sonus MGCP			
Enter: n if you are prompted for RTP MUX(GR303 and V5.2 encoding only)			
Enter: y to confirm changes			
Enter: R to reboot