We have been working with CVP-TTS, and inspite of configuring the VXML gateway, still get a reply : "sorry we are facing technical difficulties" whenever I try to make a TTS call.
 
As mentioned in the admin and config guide for VXML Gateway Configuration, we have configured CVP and NSS but when I try to run the following command (for troubleshooting):  show mrcp session active
I get CLI is deprecated
 
Although i can see my asr and tts servers by using: show running-config
 
Any help or suggestions would be highly appreciated