Cisco IAD2431-16FXS Manuale Utente Pagina 8

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© Time Warner Cable Business Class
Trunks vs. Lines
Call capacity in both cases is eight simultaneous calls
Difference
With lines there are eight telephones with numbers
With trunks the PBX can support many more than eight telephones
Based on calling patterns, eight trunks can support ~30 telephones
Cost for the trunk service is significantly less per telephone
(~25 percent)
TN1 TN3 TN2
TN5 TN4
TN6 TN7 TN8
8 Channels with
30 TNs
8 Lines with one TN per line
8
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