unsuccessful call sentence in Hindi

Examples

1. The decision that symbolized the apparent ungluing of the Dallas Cowboys, Switzer's unsuccessful call at his own 29 that led directly to an embarrassing loss at Philadelphia on Dec . 10, is now little more than an amusing footnote to a difficult season.
2. The main reasons for unsuccessful call setups in mobile networks are lack of radio coverage ( either in the downlink or the uplink ), radio interference between different subscribers, imperfections in the functioning of the network ( such as failed call setup redirect procedures ), overload of the different elements of the network ( such as cells ), etc.