German rail services resume largely as normal after a late-night communications system outage disrupts train operations and leaves passengers stranded in different parts of the country, according to multiple reports. The outage affects communications used to coordinate trains, contributing to delays and interruptions that carry over into the night. By later hours, services are running again, though the reports note that questions remain about the causes and the full extent of the disruption. Travelers who experienced delays or were stranded indicate the impact was broad, with train passengers affected across regions rather than a single route. Authorities and rail operators continue assessing what led to the outage and how it is being resolved, including whether additional measures are needed to prevent similar failures. While train operations are described as largely restored, the reports suggest that recovery and adjustments may continue as the network returns to regular scheduling.