| 摘要 |
<p>The present invention relates to a method for checking a ring-back signal comprising the following steps, time synchronizing a first device (A) and a second device (B), causing an event by requesting the configuration of a ring-back signal with and for the first device (A) at a specific time stamp and capturing the time stamp and the event in a first log file, calling the first device (A) with the second device (B) at a specific time stamp, recording the ring-back signal of the first device (A), comparing the ring-back signal with at least one reference signal yielding a comparison result, and capturing the time stamp and the comparison result in a second log file, and comparing the second log file with the first log file.</p> |
