<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>c0.lt - Codus Nullus blog</title><description>Notes from the Codus Nullus team on telecom infrastructure, AI calling, and PBX.</description><link>https://c0.lt/</link><item><title>Setting up wholesale DIDs across 50 countries</title><link>https://c0.lt/blog/2026/05/wholesale-dids/</link><guid isPermaLink="true">https://c0.lt/blog/2026/05/wholesale-dids/</guid><description>What changes when you move from a single number-provider account to a multi-country wholesale setup - and the boring rules every regulator cares about.</description><pubDate>Sun, 10 May 2026 00:00:00 GMT</pubDate><category>numbers</category><category>wholesale</category></item><item><title>A-Z voice termination, explained without jargon</title><link>https://c0.lt/blog/2026/04/voice-termination-explained/</link><guid isPermaLink="true">https://c0.lt/blog/2026/04/voice-termination-explained/</guid><description>Carriers, routes, CLI tiers, and why wholesale termination is more boring (and reliable) than it sounds.</description><pubDate>Wed, 22 Apr 2026 00:00:00 GMT</pubDate><category>voice</category><category>wholesale</category></item><item><title>An AI dialer that books meetings, not a chatbot that wastes them</title><link>https://c0.lt/blog/2026/03/ai-dialer-builds-meetings/</link><guid isPermaLink="true">https://c0.lt/blog/2026/03/ai-dialer-builds-meetings/</guid><description>What separates a useful outbound AI agent from a frustrating one - and why latency, not the LLM, is the real bottleneck.</description><pubDate>Sun, 15 Mar 2026 00:00:00 GMT</pubDate><category>ai-dialer</category><category>voice</category></item></channel></rss>