User's Guide

:   ISDN        .   
   
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     3 
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 
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   .   
   /  ISDN       
 ) 
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 “ multi-combi ”  .(
●     PBX           " ."
:    PBX           

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   "" .         
       .      PBX  
         .
●     PBX          
.
●      
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  /.
                
   .
  :       
 
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     )    (       
                 
.
 ٥-٣   
1   .
2      1-LINE     .
      
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  /.
     
١.               
 1-LINE     .
:      
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  /.
٢.     .
٣.               
.
ARWW    ٧٦