Blog
Expert articles on AI voice agents, VoIP engineering, chatbots, Flutter, Shopify and software development from the Samcom team.
WhatsApp Coexistence: Use the Business App and the Cloud API on the Same Number
How WhatsApp coexistence runs one number in the Business app and the Cloud API at once: requirements, what syncs, what you lose, the cost and the build traps.
Read Article →AI Receptionist for Clinics and Dental Practices: What It Takes to Build One That Works
What a clinic or dental AI receptionist should handle, what it must never do, and the scheduling, speed and privacy work that decides whether patients trust it.
Read Article →Multi-Tenant Telephony: What Tenant Isolation Actually Requires
A SIP domain per customer is where isolation starts, not ends. The switch, the dialplan, carrier calls, the database and webhooks each need a boundary.
Read Article →Voice AI Agents for 24x7 Customer Calls in Indian Languages: The Real Cost per Minute
What 24x7 voice AI agents cost in Indian languages, measured on 59 live calls: ₹1.87 a minute on Gemini 3 Flash, ₹1.16 on Flash-Lite, down from ₹4–5.
Read Article →Building a Browser Softphone on FreeSWITCH and JsSIP: What Actually Broke
A case study from our own call-centre platform: SIP over WebSocket behind a TLS proxy, transfers that raced the audio, and SIP isolation between workspaces.
Read Article →LiveKit vs Jitsi in 2026: Architecture, Scaling and What Each Actually Costs
Two Apache-2.0 SFUs that are not interchangeable. Architecture, how each scales, and why LiveKit Cloud and Jitsi as a Service bill on meters that do not convert.
Read Article →Plivo vs Twilio in 2026: Pricing, APIs and What Migration Actually Involves
Plivo undercuts Twilio 18% on outbound voice and 57% on numbers. But identical carrier surcharges shrink the SMS gap to about 4%. The real figures.
Read Article →Amazon Connect vs Twilio Flex in 2026: Which Contact Centre Platform Costs Less?
Connect bills per minute, Flex bills per agent hour. The crossover is 52.6% occupancy: below it Connect wins, above it Flex does. Full arithmetic inside.
Read Article →FreePBX vs VitalPBX in 2026: Which PBX Should You Choose?
FreePBX 17 against VitalPBX 4, head to head: installation, commercial modules, WebRTC, high availability, multi-tenancy and what each really costs.
Read Article →Telnyx vs Twilio vs Plivo in 2026: Real Per-Minute, SMS and Number Costs
Telnyx is half Twilio's US outbound rate. Carrier surcharges cut the SMS gap to 36%, and Telnyx publishes no international rates at all. Figures for 14 Sep 2026.
Read Article →VAPI vs LiveKit for AI Voice Agents in 2026: A Developer Head-to-Head
VAPI vs LiveKit in 2026: measured latency, what each platform charges per minute, free tiers, SIP trunking and how to migrate. Vendor pricing checked 14 Sep 2026.
Read Article →AI Call Center for Indian Businesses in 2026: Hindi-Speaking Voice Agents, Auto-Dialer and Live Human Transfer
AI call center in Hindi + English: EMI reminders, appointment booking, lead follow-ups and live transfer to your team. Live in a week.
Read Article →Pingly vs Wati vs AiSensy 2026: The Honest WhatsApp CRM Comparison for Indian SMBs
Pingly vs Wati vs AiSensy 2026: feature tables, real INR pricing, BSP-free setup versus weeks of approval, and AI voice routing no rival offers.
Read Article →OpenAI GPT-4.1 vs Google Gemini 2.5 Flash vs Anthropic Claude Sonnet 4.5 for AI Voice Agents in 2026: Which LLM Wins on the Phone?
GPT-4.1 vs Gemini 2.5 Flash vs Claude Sonnet 4.5: TTFT, function calling, conversation quality and cost-per-call benchmarks for voice agents.
Read Article →OpenAI Realtime API vs Gemini Live vs ElevenLabs Conversational AI: Which Powers the Best AI Phone Agent in 2026?
OpenAI Realtime vs Gemini Live vs ElevenLabs: latency, cost-per-minute, PSTN integration and scalability benchmarked across real client deployments.
Read Article →Kamailio vs OpenSIPS in 2026: Choosing the Right SIP Proxy for High-Volume Telephony
50+ enterprise SIP deployments: Kamailio vs OpenSIPS on performance, scripting, module ecosystem, load balancing and WebRTC for 2026.
Read Article →Outbound AI Voice Calling Campaigns in 2026: Building a Production Pipeline with Pipecat, Twilio and OpenAI Realtime
Outbound AI voice campaigns with Pipecat + Twilio in 2026. Full code, call recording, CRM webhooks, TCPA compliance, retry logic and cost breakdown.
Read Article →Asterisk vs FreeSWITCH in 2026: Which VoIP Platform Should You Choose?
After 250+ VoIP projects: FreeSWITCH scales higher, Asterisk deploys faster. WebRTC, IVR, AI integration & real hosting costs benchmarked. Our 2026 verdict.
Read Article →Building Real-Time AI Voice Agents with LiveKit and OpenAI Realtime
Build sub-500ms AI voice agents with LiveKit WebRTC, the OpenAI Realtime API, Deepgram and ElevenLabs. Full code, stack diagram and production checklist.
Read Article →WhatsApp Business API Chatbot with GPT-4 and LangChain
Step-by-step guide to building a production WhatsApp AI chatbot — from Meta Business verification to multi-turn memory and CRM handoff.
Read Article →Flutter vs React Native in 2025: The Definitive Comparison
After 40+ apps on both: Flutter wins on render speed and app size; React Native wins on team familiarity. Real performance benchmarks for 2025 inside.
Read Article →Diagnosing One-Way Audio in Asterisk: A Practical Debugging Guide
The definitive NAT traversal and RTP debugging guide for Asterisk. Covers sngrep, Wireshark, rtp direct media, externip, and localnet settings.
Read Article →Shopify Plus Checkout Customisation: What's Actually Possible in 2025
checkout.liquid is deprecated. Here's what's actually possible with Shopify Plus Checkout UI Extensions, Shopify Functions and Plus-only restrictions in 2025.
Read Article →VAPI vs Retell AI vs Pipecat: Which AI Voice Framework Wins?
We built the same AI voice agent on three platforms and measured latency, accuracy, customisation, pricing and production-readiness for each.
Read Article →Next.js 15 vs Laravel + Inertia: Choosing the Right Full-Stack Stack
Our engineering team has used both extensively. We break down DX, SEO, performance, hosting costs and when to choose Next.js over Laravel.
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