Audio settings

DTMF Mode: Choose DTMF mode, (RFC2833, Inband or SIP INFO).

SRTP Mode: Enable/disable encryption, message authentication and integrity, and replay attack protection to the RTP data in both unicast and multicast applications.

Silence Suppression: Enable/disable silence suppression during calls.

Jitter: Choose preferred jitter level.

Packetization Time: Choose preferred paketization time.

Audio Codec 1-7:  Choose preferred audio codec. 

ToS: Choose ToS level.