https://blog.sparktour.me/en/tags/llm/ Recent content in Llm on Sparktour’s Blog https://assets.sparktour.me/img/blog/misc/about-bg.jpg https://assets.sparktour.me/img/blog/misc/about-bg.jpg Hugo en Sat, 10 Oct 2026 11:49:38 -0700 https://blog.sparktour.me/en/posts/2026/10/10/android-shizuku-cellular-sip-gateway/ Sat, 10 Oct 2026 12:00:00 +0000 https://blog.sparktour.me/en/posts/2026/10/10/android-shizuku-cellular-sip-gateway/ <p>I have previously built cellular gateways for Asterisk out of EC20 and EG25 modules (<a href="https://blog.sparktour.me/posts/2022/10/08/quectel-ec20-asterisk-freepbx-gsm-gateway/">Using EC20 Module, Asterisk, and FreePBX for SMS Forwarding and VoIP</a>, <a href="https://blog.sparktour.me/posts/2026/07/04/dji-baiwang-eg25-asterisk-telegram-sms-gateway/">Connecting a DJI/Baiwang Enhanced Transmission Module to Asterisk and Telegram SMS Bots</a>), and used Flexisip to fix SIP clients missing calls in the background (<a href="https://blog.sparktour.me/posts/2026/09/14/self-hosted-sip-push-flexisip-linphone-android/">Adding SIP Push to Asterisk/FreePBX with Flexisip and a Custom Linphone Build</a>). One piece was still missing: some SIM cards simply do not work well in a module, and the easiest fix would be to let an ordinary Android phone act as the gateway itself.</p>