How can i generate qcelp

Question

For a project needs to generate rtp pcap with codec qcelp. ffmpeg only can decode it but for send with rtp ffmpeg need encode with qcelp I think software simulation in telecommunication use this codec Do you know how can I generate qcelp traffic with sip sdp?

Answer 1

1)I install virtualbox in my computer that my windows or Linux

2)I run mac os x snow leopadro as virtual machine in virtualbox

3)I install QuickTime Broadcaster in snow leopadro

4)With Quicktime Broadcaster i can generate RTP pcap with payloadtype Qcelp 12