In addition, make sure UDP ports 10020-10099 are being forwarded to the IP set in 84-26 using the same public IP. These are the audio packets (RTP). Otherwise, you won't be able to use TDM resources on the 9100 like VM, MLT, SLT, and POTS/PRI trunks
In Licensing, note how many 5103 (VoIP...