RBT TrFO Reporting
The show sipd rbt-trfo command shows Ring Back Tone TrFO statistics:
- Initiated: number of initiated TRFO reINVITE transactions
- Success: number of successfully completed TRFO reINVITE transactions
- Failure: number of failed TRFO reINVITE transactions (either error returned or timed out)
Example:
ORACLE# show sipd rbt-trfo 
 RBT TrFO statistics (2020-10-08 13:19:50.715)
             ---- Lifetime ----
            Recent Total PerMax
 Initiated    0      3      2 
 Success      0      3      2 
 Failure      0      0      0
You can reset this data back to zero using the reset sipd command.