Narrative:

Ongoing issues with communications; while using ipics; between the rtc and flight crews/supertug. Rtc performed a radio check with the flight crew after switching from the main to the standby radio on ipics. The crew did not respond to the rtc communication on the first call; but responded on the second call stating that they had replied; but the rtc did not hear. 5th occurrence of the morning. The rtc switched to the telex system shortly after this incident.

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Original NASA ASRS Text

Title: Dispatcher reported difficulty communicating with a flight crew during preflight.

Narrative: Ongoing issues with communications; while using IPICS; between the RTC and flight crews/Supertug. RTC performed a radio check with the flight crew after switching from the main to the standby radio on IPICS. The crew did not respond to the RTC communication on the first call; but responded on the second call stating that they had replied; but the RTC did not hear. 5th occurrence of the morning. The RTC switched to the telex system shortly after this incident.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.