| Feature | Description | Status |
| http://sourceforge.net/p/opensips/feature-requests/78/ | avpops: support for prepared statements | |
| https://sourceforge.net/p/opensips/feature-requests/13/ | nathelper: Support for hairpin NAT | |
| https://sourceforge.net/p/opensips/feature-requests/14/ | enum: Multiple DNS-related error return codes | |
| https://sourceforge.net/p/opensips/feature-requests/17/ | rr: modparam to save RR parameters in username - accomodate non-compliant UAs | |
| https://sourceforge.net/p/opensips/feature-requests/24/ | nat_traversal: match both client contact AND *local* socket | |
| https://sourceforge.net/p/opensips/feature-requests/25/ | tutorials: nathelper and drouting | |
| https://sourceforge.net/p/opensips/feature-requests/27/ | logging: increase verbosity on OUT messages | |