Asterisk recepie for Openwrt

$ opkg update

$ opkg install asterisk18 asterisk18-codec-ulaw asterisk18-codec-g726 asterisk18-codec-g722 asterisk18-codec-alaw

root@OpenWrt:~# cat /etc/asterisk/sip.conf

[general]

port = 5060

bindaddr = 0.0.0.0

context = default

[1000]

type=friend

secret=1000

#qualify=yes ;latency must be under 2000ms.

nat=yes

host=dynamic ; the devices can be registered with different IPs each time

canreinvite=no ; Asterisk by default redirects

context=internal ; the context of the extensions.conf file

[1001]

type=friend

secret=1001

#qualify=yes ;latency must be under 2000ms.

nat=yes

host=dynamic ; the devices can be registered with different IPs each time

canreinvite=no ; Asterisk by default redirects

context=internal ; the context of the extensions.conf file

[1002]

type=friend

secret=1002

#qualify=yes ;latency must be under 2000ms.

nat=yes

host=dynamic ; the devices can be registered with different IPs each time

canreinvite=no ; Asterisk by default redirects

context=internal ; the context of the extensions.conf file

root@OpenWrt:~# cat /etc/asterisk/extensions.conf

[others]

[internal]

exten => 1000,1,Dial(SIP/1000)

exten => 1001,1,Dial(SIP/1001)

exten => 1002,1,Dial(SIP/1002)

# /etc/init.d/asterisk restart

Firewall

add the following to /etc/config/firewall to allow SIP traffic

config rule

option src wan

opption proto tcp

option dest_port 5060

option target ACCEPT

Reload your firewall rules

# /etc/init.d/firewall reload

Examine firewall rules and check that 5060 is accepted on zone WAN

# iptables -L -v

Install dyndns.org update script

opkg update

opkg install ddns-scripts

vi /etc/config/ddns