Patching Asterisk
Steps for patching, compiling and installed the modified version of Asterisk are below. You should be familiar with building from source before attempting this.1. Download a copy of the patch below.
| Asterisk 18 | file_download cisco-usecallmanager-18.22.0.patch (335K) event 04/03/2024 security SHA256:2f87a991fa182050ceb5f2c98fb8638abd78d52cf1eb32f2b0019f9b25708820. |
| Asterisk 20 | file_download cisco-usecallmanager-20.7.0.patch (335K) event 04/03/2024 security SHA256:6f2aa48c4885a7dd3e0af2e344f0c0f2be9096ab8a69994cbea1c82e0c587705. |
2. Download the version of Asterisk that matches the version number in the name of the patch.
open_in_browser Asterisk Downloads.
3. Extract the archive and apply the patch.
~$ tar --extract --gzip --file asterisk-X.X.X.tar.gz
~$ cd asterisk-X.X.X
~/asterisk-X.X.X$ patch --strip=1 < ../cisco-usecallmanager-X.X.X.patch
4. Configure the build environment and build the source.
~/asterisk-X.X.X$ CFLAGS="-DENABLE_SRTP_AES_GCM -DENABLE_SRTP_AES_256" ./configure
~/asterisk-X.X.X$ make
5. Install the patched version.
~/asterisk-X.X.X$ sudo make install
6. Optionally install the sample configuration files. Note: sample sip.conf, sip_notify.conf and res_parking.conf contain patch-specific features so you will need to do this at least once.
~/asterisk-X.X.X$ sudo make samples