TDM Switch Retirement Calculator

Switches

Current number of TDM switches in my network

Average calendar year that switches were placed into service

Number of years I expect switches to last (typical design life is 25 years)

Number of TDM switches per year that I plan to transform or remove from the network

Lines

Current lines on TDM switches

Percentage of lines that are Residential

Percentage of lines that are Business

Annual Residential TDM line loss percentage

Annual Business TDM line loss percentage

Residential ARPU per line per month ($, Euro, other)

Business ARPU per line per month ($, Euro, other)

Recalculating...

68 switches fail with this plan.

688,636 customers will lose service.

You will lose $1,618,813,920 in revenue.

You need to transform 27 switches per year.