Montando um servidor VOIP com baixo custo.- Necessita-se de um cartão internacional. Caso não possua, peça um na livraria saraiva, a anuidade é grátis. - Criar um servidor na Amazon Web Service. Utilizando servidores no plano Spot (Rodando apenas na memória) o custo vai lá em baixo. - Criar uma conta para terminação voip. Voxbeam -> http://www.voxbeam.com/pt/tarifas Brasilfone -> http://www.brasilfone.com.br/ Valor do Investimento (Sem mão de obra) Cartão de crédito (Livraria Saraiva) = $0,00 (Anuidade grátis) Servidor Amazon (Spot) = $ 0.004/hora ( $0.004 * 24 * 30 = $2.88/mês) Terminação Voip Voxbeam (Standard) = $ 0.016/min (Fixo), $ 0.0295/min (Móvel) Montando um servidor Asterisk na Amazon (ami-3a993c27)1 - Crie um servidor e atribua um Elastic IPNo exemplo abaixo foi criado um servidor SPOT (somente na memória para teste), Amazon Linux AMI 2013.03.1 - 64bits, com Elastic ip 54.232.214.101, e ip interno 172.31.10.53 2 - Amazon - Atualizar Kernel otimizado para VOIP# Baseado no "Amazon Linux AMI 2013.03.1 - 64bits" # yum install gcc make bison ncurses-devel rpm-build # cd /root # wget https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.4.47.tar.xz # tar -xJf linux-3.4.47.tar.xz -C /usr/src/kernels # wget https://www.kernel.org/pub/linux/kernel/projects/rt/3.4/patch-3.4.47-rt62.patch.bz2 # bunzip2 patch-3.4.47-rt62.patch.bz2 # mv patch-3.4.47-rt62.patch /usr/src/kernels/linux-3.4.47 # cd /usr/src/kernels/linux-3.4.47 # patch -p1 < patch-3.4.47-rt62.patch # make clean # cp /boot/config-`uname -r` .config # make menuconfig General setup -> Local version -> "-voip" Processor type and features -> Preemption Mode -> “Fully Preemptible kernel (RT)” Processor type and features -> Time frequency -> “1000 HZ” Device Drivers -> Character Devices -> Enchanced Real Time Clock Support -> M Ao sair da configuração, será solicitado que você grave as alterações feitas. Responda Yes. # make rpm (vai demorar muito, cerca de 3 horas) # ls -alh /root/rpmbuild/RPMS/x86_64 # rpm -ivh /root/rpmbuild/RPMS/x86_64/kernel-3.4.47_rt62_voip-1.x86_64.rpm # ls /boot # depmod 3.4.47-rt62-voip # mkinitrd -v /boot/initramfs-3.4.47-rt62-voip.img 3.4.47-rt62-voip # chmod 755 /boot/vmlinuz-3.4.47-rt62-voip # vi /boot/grub/grub.conf default=1 (Adicione abaixo da configuração do kernel atual) title Amazon Linux 2013.03 VOIP (3.4.47-rt62-voip) root (hd0) kernel /boot/vmlinuz-3.4.47-rt62-voip root=LABEL=/ console=hvc0 initrd /boot/initramfs-3.4.47-rt62-voip.img # reboot 3 - Instalando o Asterisk no servidor Amazon# cp /usr/share/zoneinfo/America/Sao_Paulo /etc/localtime # vi /etc/security/limits.conf root soft nofile 4096 root hard nofile 8196 asterisk soft nofile 4096 asterisk hard nofile 8196 # yum install gcc gcc-c++ compat-libtermcap sqlite-devel ncurses-devel openssl-devel libxml2-devel unixODBC-devel libcurl-devel # cd /root # wget http://downloads.asterisk.org/pub/telephony/asterisk/asterisk-11-current.tar.gz # tar -vzxf asterisk-11*.tar.gz # cd /root/asterisk-11.4.0/contrib/scripts # ./install_prereq install # cd /root/asterisk-11.4.0 # ./configure # make menuselect # make # make install # make samples # make config # make install-logrotate # vi /root/.bash_profile LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib export PATH LD_LIBRARY_PATH # asterisk -vvvc # echo "/usr/sbin/safe_asterisk" >> /etc/rc.local # yum update # hostname # vi /etc/hosts 127.0.0.1 localhost … resultadoDoHostname # cd /etc/asterisk # mv sip.conf sip.conf.ori # mv extensions.conf extensions.conf.ori asterisk.conf [options] internal_timing=yes logger.conf dateformat=%F %T messages => notice,warning,error,security sip.conf [general] port=5060 bindaddr=0.0.0.0 externip=54.232.214.101 localnet=172.31.0.0/255.255.240.0 disallow=all allow=gsm allow=ulaw allow=alaw allow=ilbc alwaysauthreject=yes allowguest=yes nat=force_rport,comedia qualify=yes canreinvite=no sipreinvite=no insecure=port,invite [voxbeam_outbound] type=peer defaultuser=voxbeam_outbound secret=your_asterisk_password host=sbc.voxbeam.com context=voxbeam_outbound [voxbeam_inbound] type=peer defaultuser=voxbeam_inbound secret=your_asterisk_password host=95.211.119.240 context=voxbeam_inbound [contato] fromuser=visitante defaultuser=contato context=disca type=friend host=dynamic secret=sua_senha_de_contato extensions.conf [general] TIMEOUT=14400 [disca] exten => _3788270766,1,Dial(SIP/voxbeam_outbound/0011103553788270766,40,tT) same => n,Set(TIMEOUT(absolute)=${TIMEOUT}) same => n,HangUp() exten => _037XXXXXXXX,1,NoOp(CALLERID: ${CALLERID(all)} EXTEN: ${EXTEN}) same => n,Set(TIMEOUT(absolute)=${TIMEOUT}) same => n,Dial(SIP/voxbeam_outbound/001110355${EXTEN:1},40,tT) same => n,HangUp() exten => _0XXXXXXXXXX,1,NoOp(CALLERID: ${CALLERID(all)} EXTEN: ${EXTEN}) same => n,Set(TIMEOUT(absolute)=${TIMEOUT}) same => n,Dial(SIP/001110355${EXTEN:1}@sbc.voxbeam.com,40,tT) same => n,HangUp() exten => _0XXXXXXXXXXX,1,NoOp(CALLERID: ${CALLERID(all)} EXTEN: ${EXTEN}) same => n,Set(TIMEOUT(absolute)=${TIMEOUT}) same => n,Dial(SIP/001110355${EXTEN:1}@sbc.voxbeam.com,40,tT) same => n,HangUp() exten => 12345,1,Answer() same => n,Set(TIMEOUT(absolute)=${TIMEOUT}) same => n,Wait(2) same => n,Playback(hello-world) same => n,Record(/tmp/teste.gsm,3,10) same => n,Playback(/tmp/teste) same => n,HangUp() exten => h,1,NoOp(CALLERID: ${CALLERID(all)} EXTEN: ${EXTEN}) same => n,HangUp() 3 - Configurando Fail2Ban# cd /root # wget https://codeload.github.com/fail2ban/fail2ban/tar.gz/0.8.10 # mv 0.8.10 fail2ban-0.8.10.tar.gz # tar vzxf fail2ban-0.8.10.tar.gz # cd fail2ban-0.8.10 # python setup.py install # vi /etc/fail2ban/jail.conf bantime = 259200 findtime = 60 [asterisk-tcp] enabled = true … maxretry = 3 bantime = 259200 [asterisk-udp] enabled = true ... maxretry = 3 bantime = 259200 # cat /root/fail2ban-0.8.10/testcases/files/logs/asterisk >> /var/log/asterisk/messages # fail2ban-regex /var/log/asterisk/messages /etc/fail2ban/filter.d/asterisk.conf # echo "" > /var/log/asterisk/messages # fail2ban-client start # echo "/usr/bin/fail2ban-client start" >> /etc/rc.local |
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