The INVITE SDP body

Wireshark FoIP example

SIP T.38 Call flows – IETF draft document

Bandwidth

T.38 and G.711 network traffic

Troubleshooting

The basics

More complex issues to watch out for

Ongoing Efforts

RFC 6913 and sip.fax tag

Use DTMF events instead

以上是我们计划开讲的所有基本内容，希望给大家分享一些真正有价值的SIP相关技术资料，和大家一起进步！