We are deploying a Voiceguide setup that relies on DTMF input. However, DTMF tones are not being recognized.
1. Voiceguide is installed on a Windows 2012 R2 VM in the Azure cloud.
1. Voiceguide is registered to a cloud-based Asterisk as a SIP peer, and Asterisk is configured as UDP SIP.
2. SIP Provider is Flowroute.
3. DTMF tones are configured as rfc2833.
Wireshark and Voiceguide traces attached.