Function test_extract_extension_basic

src/sip/parser.rs:758–763

()

                result.push(format!(
                    "m=audio {} {} {}",
                    relay_port,
                    proto,
                    formats.join(" ")
                ));
                found_audio = true;
            } else {
                result.push(line.to_string());
            }
        } else {