get_word_sep(profile, sizeof(profile), "/;,", &p);
lower_transport[0] = '\0';
if (*p == '/') { /* rtp/avp/<protocol> */
p++;
get_word_sep(lower_transport, sizeof(lower_transport),
";,", &p);
get_word_sep(profile, sizeof(profile), "/;,", &p);
lower_transport[0] = '\0';
if (*p == '/') { /* rtp/avp/<protocol> */
p++;
get_word_sep(lower_transport, sizeof(lower_transport),
";,", &p);