---
title: "Engineering & Architecture Blog — WhatsMCP"
description: "Deep dives into protocol reverse-engineering, low-latency SIP trunking, AI agent state synchronization, and enterprise WhatsApp scaling."
url: "https://whatsmcp.com/blog"
---

Field notes & protocols

# Engineering & Architecture Blog

Deep dives into protocol reverse-engineering, low-latency SIP trunking, AI agent state synchronization, and enterprise WhatsApp scaling.

![Schematic diagram of a phone and a PBX exchanging Opus and G.711 audio through a bridge node, in the Terminal Noir style.](https://whatsmcp.com/_astro/blog-sip-trunking.CH2lqLTL_1pB15U.webp)

SIP Trunking  Aug 28, 2026 · 8 min read

## Bridging WhatsApp and PBX: Low-Latency SIP Trunking Internals

How we handle real-time WebRTC opus streams and transcode them natively for Asterisk and FreeSWITCH environments without dropping packets.

By WhatsMCP Engineering [Read post ](https://whatsmcp.com/blog/bridging-whatsapp-and-pbx)

![Schematic diagram of a ring of phone nodes connected to a central MCP hub, in the Terminal Noir style.](https://whatsmcp.com/_astro/blog-ai-agents.BSDN9ac2_qUhhp.webp)

AI Agents  Aug 20, 2026 · 6 min read

## Scaling AI Agent Fleets with Model Context Protocol

An architectural walkthrough on exposing WhatsApp thread history and tools natively to Claude and custom agent runtimes securely.

By WhatsMCP Engineering [Read post ](https://whatsmcp.com/blog/scaling-ai-agent-fleets-with-mcp)

![Schematic diagram of traffic from a column of nodes converging through a shared egress gateway, in the Terminal Noir style.](https://whatsmcp.com/_astro/blog-anti-abuse.RTSAAgRK_27YbGs.webp)

Infrastructure  Aug 12, 2026 · 12 min read

## Anti-Block Safeguards: Rate Limiting & Egress IP Rotation

An inside look at our proxy layer, fingerprint emulation, and distributed egress management designed to mimic official client traffic profiles.

By WhatsMCP Engineering [Read post ](https://whatsmcp.com/blog/anti-block-safeguards)

![Schematic diagram of Opus and G.711 waveforms converging into a transcoder node, in the Terminal Noir style.](https://whatsmcp.com/_astro/blog-pjsip-codecs.7bngHX5R_ZFM39c.webp)

Configuration  Aug 4, 2026 · 5 min read

## PJSIP Configuration & Codec Transcoding Secrets

Optimizing pjsip.conf parameters for flawless G.711u to Opus conversion under high-throughput concurrent call loads.

By WhatsMCP Engineering [Read post ](https://whatsmcp.com/blog/pjsip-configuration-and-codec-transcoding)