Cisco IAD2431-16FXS Manual do Utilizador descarregar pdf (Página 8)

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

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 47 48

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Cisco IAD2431-16FXS Manual do Utilizador Página 8