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Fix Asterisk 1 way Audio Issues
NAT issues Perhaps the most common problem encountered is one-way audio, and 99% of the time, this is caused by a NAT firewall. So here are the steps you must take to configure the PBX to work behind a NAT firewall. Make sure you have a resolvable address on the Internet. If you don’t want […]
OBD Call using Asterisk CLI
This is a useful command when building your dial plan, it allows testing of the dial plan remotely. There are a couple of commands to explain. The first is the originate command a highly useful tool for checking any IVR context’s, this is how to use it. originate SIP/14075551234@sip-outbound extension s@auto-att Let me explain this.: […]
Connect Cisco SPA400 SIP Gateway (4 FXO Ports) with Asterisk
On Asterisk /etc/asterisk/sip.conf, you need to configure the account exactly similar to User ID of SPA400 The entries in sip.conf to enable Asterisk register to SPA400 are as follow: [general] register => 9000@192.168.0.6/9000 Replace 9000 with the value you entered in the User ID of SPA400, and replace 192.168.0.2 with the IP address of the […]