User Guide

.               



1 

.        

2 

.     

3 

.       

4 

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

5 

.   

    

         .          

.     

 

.       



1 

.   

2 

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

3 

.   

  

    .       .        

.       

.        .        

(7811)     



1 

.      

2 

:           

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



    