Register SIP account and receive calls with Twilio
How to register your SIP softphone and receive inbound calls using TwilioProperly terminate crystal-lang service in docker
How to handle signals and properly terminate docker service written with the Crystal-lang.Create the smallest Crystal-lang docker image based on scratch
How to use docker multi-stage builds to create a smallest by size Crystal-lang docker image.All-in-one (Crystal-lang library that handle all the Asterisk PBX interfaces)
I've created and open-sourced a Crystal-lang shard (library) that handle all the Asterisk PBX interfaces (ARI, AMI and all types of AGI).How to install software on firewalled server
How to use a reverse SSH proxy to install software on a server with outbound firewalls (gray zone ;) )Digital Ocean, Floating IP and VoIP
How to configure Digital Ocean's floating IP with VoIP, specifically with Asterisk, with Docker!Tiny docker image with ngrok
I've found an excellent tiny Docker image for ngrok (wernight/ngrok). From now just using it to handle this blog.Updated OPUS codec patch that supports Asterisk 11.11.0 and 12.2.5
I have updated the OPUS codec patch that now supports Asterisk 11.11.0 and 12.2.5. I have tested it with VP8 in pass-through mode, and it works well. You can download it here!
WebRTC with Asterisk 11?
Tonight, I tried two WebRTC clients (JsSIP and sipML5) with Asterisk 11. I was able to get both of them working for echo test calls with the ulaw (g711u) codec. However, when I called from WebRTC to the SIP softphone, there was only one-way audio.Roaming PBX update
What's new: Asterisk 11.4, SILK codec, watchdog to improve Raspberry Pi board performance and prevent deadlocks.First release of Roaming PBX
Today, I created the latest image that includes Ruby, pcapsipdump, Asterisk PBX, and the SILK codec. Although it is still in the alpha stage, it is ready for testing.Creating your own custom image for Raspberry Pi
How to cross-compile a custom Raspberry Pi image and to build custom Asterisk PBX installation.SIP TCP vs UDP with mobile client: awesome results
Yes, I knew that TCP is better for mobile VoIP in terms of battery consumption, but I didn’t know how much better it would be! Yesterday, I replaced UDP with TCP on my Android softphone (Bria) and… Usually by this time (2:20 PM), my cellphone battery would be at 50% charge, but now it’s at 88 percent.