[channels]
   signalling=fxo_ks 
   language=en 
   context=default 
   channel => 1 
 
   signalling=fxo_ks 
   language=en 
   context=default
   channel => 2 
   
   signalling=fxs_ks 
   language=en 
   context=default 
   channel => 3 
 
   signalling=fxs_ks 
   language=en 
   context=default
   channel => 4