User Guide

       



.      

Cisco IP Phone           

7811

           .Cisco IP Phone 7811      

.""           ."" 



.""  ""  

 

   )        .(  )      

.(      

.         .    :   

  .         .          

    (  )              

.  

       

.                   

.           

 

.    



1 

.      

           .        

.  

2 

.             

Cisco IP Phone 7800    



       