EXHIBIT 12.10

CSG Systems International, Inc.

Ratio of Earnings to Fixed Charges

(in thousands, except ratios)

	Year Ended December 31, 2008
Income from continuing operations before income taxes	$	93,892
Fixed Charges:
Interest on long-term and short-term debt including amortization of debt expense		7,421
Interest element of rentals		3,565
Total fixed charges		10,986
Earnings before income taxes and fixed charges	$	104,878
Ratio of earnings to fixed charges		9.55