1.   A Kirch insolvency filing would be the third involving a major German company in two weeks.

2.   He also said the company had received calls from potential partners since the insolvency filing, none of which he would name.

3.   The insolvency filing applies only to its most important operating unit, KirchMedia, a spokesman for Munich district court said.

4.   Premiere World, a wholly owned subsidiary of KirchPayTV, was not affected by the insolvency filing, the sources added.