Mark Berry March 16, 2017
A PBX vendor like 3CX may tell you to disable SIP ALG on your router.
I’m running Tomato on my router, specifically Tomato Firmware 1.28.0000 MIPSR2-132 K26 Max. With the help of this thread, I checked and disabled SIP ALG.More...
Mark Berry November 22, 2008
In my original PBX in a Flash setup, Asterisk is set to “listen in” on calls. One advantage of this is that it can then respond to commands sent from a phone keypad during the call, e.g. to transfer or record the call. However, it does add processing overhead. If your devices support it, you can tell Asterisk to butt out of your conversations, allowing connections to “bridge” directly between endpoints and avoid going through Asterisk. Here’s how.More...
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