# yum install yum-priorities

# cat /etc/yum/pluginconf.d/priorities.conf
[main]
enabled = 1

# cat /etc/yum.repos.d/CentOS-Base.repo
[base]
[...]
priority=1

#released updates
[updates]
[...]
priority=1

#additional packages that may be useful
[extras]
[...]
priority=1

#additional packages that extend functionality of existing packages
[centosplus]
[...]
priority=2

# yum install epel-release

# cat /etc/yum.repos.d/epel.repo
[epel]
[...]
priority=10
 
[epel-debuginfo]
[...]
priority=10
 
[epel-source]
[...]
priority=10

# cd /etc/yum.repos.d/
# wget https://ast.tucny.com/repo/tucny-asterisk.repo
# vim /etc/yum.repos.d/tucny-asterisk.repo
[asterisk-common]
name=Asterisk Common Requirement Packages @ tucny.com
#baseurl=https://ast.tucny.com/repo/asterisk-common/el$releasever/$basearch/
mirrorlist=https://ast.tucny.com/mirrorlist.php?release=$releasever&arch=$basearch&repo=asterisk-common
enabled=1
gpgcheck=1
gpgkey=https://ast.tucny.com/repo/RPM-GPG-KEY-dtucny
priority=5

[...]

[asterisk-16]
name=Asterisk 16 Packages @ tucny.com
#baseurl=https://ast.tucny.com/repo/asterisk-16/el$releasever/$basearch/
mirrorlist=https://ast.tucny.com/mirrorlist.php?release=$releasever&arch=$basearch&repo=asterisk-16
enabled=1
gpgcheck=1
gpgkey=https://ast.tucny.com/repo/RPM-GPG-KEY-dtucny
priority=5

# rpm --import https://ast.tucny.com/repo/RPM-GPG-KEY-dtucny

# yum install asterisk
# rpm -qil asterisk
# yum install asterisk-voicemail

# mkdir /usr/share/asterisk/sounds/pt_BR
# cd /usr/local/src
# wget https://www.asterisksounds.org/pt-br/download/asterisk-sounds-core-pt-BR-sln16.zip
# wget https://www.asterisksounds.org/pt-br/download/asterisk-sounds-extra-pt-BR-sln16.zip
# unzip /usr/local/src/asterisk-sounds-core-pt-BR-sln16.zip -d /usr/share/asterisk/sounds/pt_BR/
# unzip /usr/local/src/asterisk-sounds-extra-pt-BR-sln16.zip -d /usr/share/asterisk/sounds/pt_BR/
# chmod 644 /usr/share/asterisk/sounds/pt_BR/* -R
# find /usr/share/asterisk/sounds/pt_BR -type d -exec chmod 0755 {} \;

# vim asterisk-sound-convert
#!/bin/bash
cd /usr/share/asterisk/sounds/pt_BR
for a in $(find . -name '*.sln16'); do
  sox -t raw -e signed-integer -b 16 -c 1 -r 16k $a -t gsm -r 8k `echo $a|sed "s/.sln16/.gsm/"`;\
  sox -t raw -e signed-integer -b 16 -c 1 -r 16k $a -t raw -r 8k -e a-law `echo $a|sed "s/.sln16/.alaw/"`;\
  sox -t raw -e signed-integer -b 16 -c 1 -r 16k $a -t raw -r 8k -e mu-law `echo $a|sed "s/.sln16/.ulaw/"`;\
done

# bash asterisk-sound-convert

# firewall-cmd --add-port=5060/udp --permanent
# firewall-cmd --add-port=5060/tcp --permanent
# firewall-cmd --add-port=5061/udp --permanent
# firewall-cmd --add-port=5061/tcp --permanent
# firewall-cmd --add-port=4569/udp --permanent
# firewall-cmd --add-port=5038/tcp --permanent
# firewall-cmd --add-port=10000-20000/udp --permanent
# firewall-cmd --reload

# cd /etc/asterisk/
# mkdir unused
# mv *.conf *.adsi ./unused
# cd unused/
# cp -p indications.conf asterisk.conf modules.conf extensions.conf musiconhold.conf features.conf res_parking.conf voicemail.conf /etc/asterisk/

# yum install asterisk-iax2
# rpm -qil asterisk-iax2
# yum install asterisk-pjsip
# rpm -qil asterisk-pjsip

# vim indications.conf
[...]
[general]
;country=us             ; default location
country=br              ; default location
[...]

# systemctl start asterisk.service
# systemctl enable asterisk.service 
# systemctl status asterisk.service -l

g729

# cd /usr/local/src  
# wget http://asterisk.hosting.lv/bin/codec_g729-ast160-gcc4-glibc-x86_64-pentium4.so
# cp codec_g729-ast160-gcc4-glibc-x86_64-pentium4.so /usr/lib64/asterisk/modules/codec_g729.so  
# chmod +x /usr/lib64/asterisk/modules/codec_g729.so
# asterisk -rx "module load codec_g729.so"  
*CLI> module load codec_g729.so
*CLI> core reload