Dear,
How can we provide encrypted fax on a Cisco UC (T.38 Transmission Over UDPTL, RTP and control traffic) , i know it is feasible, i have seen few documents online.
The follwoing hardware is available.
1- Communication Manager 9.0
2- Cisco ISR G2 (Secure IOS).
3- VG224 or ATA187
4- Traditional Fax machine.
Option 1
We need to encrypt fax up to the VGW.
FAX ---> ATA/VG224 ----> VGW ---> PSTN
Option 2
FAX ---> ATA/VG224 ----> VGW ---> PSTN ----> VGW -----> ATA/VG224 -----> FAX
Please advise if addiional HW/SW/Licensing is required.