Notes from the network.
What we learn running production voice traffic: carrier hierarchy, media handling for machine listeners, messaging registration, and the numbers worth watching once you are live.
What Tier 2 actually means when you buy voice
The wholesale hierarchy, what changes when your provider holds the interconnects, and how to audit a Tier 2 claim before you sign anything.
Read the articleRecent posts
- Why AI voice agents need different telephony September 9, 2026, 10 min read
- 10DLC registration without the surprises September 2, 2026, 11 min read
More articles
Written by the people who run the routes, the number inventory, and the messaging registrations.
Why AI voice agents need different telephony
The latency budget shared between ASR, inference, and TTS, jitter buffers tuned for recognition, DTMF that survives the network, and what to measure once agents are live.
Read the article10DLC registration without the surprises
Brand and campaign registration, use-case vetting, throughput tiers, toll-free verification, and why compliant-looking traffic still gets filtered silently.
Read the articleReading about routes is the slow way.
Bring a destination you are unhappy with and we will show you what our path does with it.