Voxtel

0124 - master code 
 0718#(*)- hold - menu (ST11, SC10, V100 without SIM)
 4268#(*)- hold - show code (ST11, SC10 without SIM)
 *789(#)- hold - menu (V50, RX100 without SIM) 

Voxtel 
 0124 - master code 
 0718#(*)- hold - menu (ST11, SC10, V100 without SIM) 
 4268#(*)- hold - show code (ST11, SC10 without SIM) 
 *789(#)- hold - menu (V50, V300, RX100 without SIM)