A typical application would be for two SEPs to agree on the use of a shared data path (e.g., using ISUP to initiate a voice call between a user on one SEP and a user on the second SEP).
A typical case would be for two SEPs to agree on the utilization of a shared data pathway (e.g., employing ISUP to initiate a voice call between a user on one SEP and a user on the second SEP), which is similar to coordinating the use of a common resource.