Klim – Klim Server Blog

Goip systemd service

cat /etc/systemd/system/goip.service

We should start goip service after mysql and we should be sure that it will autorestart on crash.

Asterisk & Self Registration Queue

Idea: make a queue of calls in which agents will register themselves. A man came to work, dialed a secret combination, “signed up,” and he is all in line and ready to receive calls. Let’s make it happen.

Asterisk working systemd service

We will start asterisk after mariadb (for connecting res_odbc);
We run asterisk from user “asterisk”.

Asterisk Device state INUSE

Hey.

Recently I got a task: SIP/100 should accept two calls at the same time and if first line “busy” caller should hear “Operator busy. Please wait”.

I tried to solve that with queue but queue cant announce “OP busy” because it was not busy (2-nd line call).

So I solved that task in next way:

Working fail2ban for Asterisk (security log)

Hey, just another config draft from me. In that article we will enable fail2ban jail for asterisk on UDP/5060 via iptables.

In /etc/sysconfig/iptables we should allow UDP/5060 for all (if you want to enable only for your subnet why you need fail2ban? Just allow 192.168.1.0/24 and don’t read that article).

Ivacy VPN strongswan settings for android (and may be iOS)

Hey. I just tried to find out how to setup Ivacy on my android phone but not with OpenVPN or stock Ivacy app.

As we now strongswan app is more battery-friendly. So we should use strongswan. You hear? Use strongswan if its possible.

But googling not give me anything. I asked support and receive half of truth. But figure out the rest by myself. So lets go.

How to install guacamole 1.0.0 on Centos 7 box

Hey. Guacamole – really good app that allow you to connect to PC in your net via RDP/SSH/Telnet/VNC. Lets install it.

yum install cairo-devel libjpeg-devel libpng-devel uuid-devel freerdp-devel pango-devel libssh2-devel libssh-dev tomcat libvncserver-devel libtelnet-devel tomcat-admin-webapps tomcat-webapps gcc terminus-fonts

How to update Asterisk 16.1 to 16.2

Ok. Short article. We already have Asterisk 16.1, lets update to 16.2

systemctl stop asterisk
cd /usr/src
wget http://downloads.asterisk.org/pub/telephony/asterisk/asterisk-16-current.tar.gz
tar -zxvf asterisk-16-current.tar.gz
cd asterisk-16.2.1/
./configure --with-pjproject-bundled --with-crypto --with-ssl=ssl --with-srtp --with-jansson-bundled
make menuselect #should find out how to save settings
make && make install && make config && ldconfig
chown asterisk.asterisk /var/run/asterisk &&
chown -R asterisk.asterisk /etc/asterisk &&
chown -R asterisk.asterisk /var/{lib,log,spool}/asterisk &&
chown -R asterisk.asterisk /usr/lib/asterisk

Installing goip sms server on Centos x64.

Installation requires: php <7. Just because or Chinese friends use mysql_ and not mysqli_ or PDO stuff.

cd /tmp
wget http://118.142.51.162/update/goip_install-v1.25.tar.gz
tar xvfz goip_install-v1.2*
cd goip_install
./goip_install.sh

You can’t upgrade from Centos6 to Centos7

Via redhat-upgrade-tool ?

A lot of articles. And a lot of comments that tool is broken. 🙁