SIP configuration for voip phone
From MyWiki
[250] username=250 type=friend host=dynamic secret=<secret password> context=twig
iptables rules for asterisk - https://www.voip-info.org/asterisk-firewall-rules/
# SIP on UDP port 5060. Other SIP servers may need TCP port 5060 as well iptables -A INPUT -p udp -m udp --dport 5060 -j ACCEPT # IAX2- the IAX protocol iptables -A INPUT -p udp -m udp --dport 4569 -j ACCEPT # IAX - most have switched to IAX v2, or ought to iptables -A INPUT -p udp -m udp --dport 5036 -j ACCEPT # RTP - the media stream # (related to the port range in /etc/asterisk/rtp.conf) iptables -A INPUT -p udp -m udp --dport 10000:20000 -j ACCEPT # MGCP - if you use media gateway control protocol in your configuration iptables -A INPUT -p udp -m udp --dport 2727 -j ACCEPT