Co-founder of AvaritCall
Göktuğ Kocauşu
Works on voice AI, telephony infrastructure and AI agents.
About
Göktuğ Kocauşu is a co-founder of AvaritCall, rethinking one of the oldest interfaces between people and organisations, the phone call, with large language models and real-time voice technology.
The work centres on running speech recognition, a language model and voice synthesis on the same line with latency that keeps up with human conversation; on SIP-based telephony; and on AI agents that use calendars, CRMs and business systems as tools.
Alongside AvaritCall, Göktuğ built a multi-tenant messaging platform that automates WhatsApp communication for businesses, and AI agents that work on messaging channels.
On the blog, Göktuğ writes about the technical side of AI call center automation, product decisions and lessons from the field.
Areas of expertise
- Voice AI
- AI call center automation
- Large language models (LLM)
- Speech recognition and synthesis
- SIP and telephony infrastructure
- Model Context Protocol (MCP)
- Messaging automation
Articles
25 articles
AvaritCall vs PolyAI: Pricing, Buying Model and Capacity Compared (2026)
AvaritCall vs Synthflow: Pricing, Scope and Capacity Compared (2026)
AvaritCall vs Bland AI: Pricing, Scope and Capacity Compared (2026)
AvaritCall vs Retell AI: Pricing, Features and Capacity Compared (2026)
AvaritCall vs ElevenLabs: Pricing, Scope and Capacity Compared (2026)
AvaritCall vs Vapi: Pricing, Scope and Capacity Compared (2026)
Voice AI vs Traditional IVR: Cost, Flexibility and Capacity Compared (2026)
Voice AI or a Call Center? Cost, Capacity and Quality Compared
How to cut call-center cost: reduce the burden, not the people
A calendar that fills while you sleep: a 24/7 appointment-booking voice assistant
Translation is not enough: voice AI that understands accent, intent and nuance
Missed calls, missed revenue: what every unanswered phone really costs you
AI phone assistant for real estate offices: which calls it takes over and how to set it up
AI call center cost in 2026: per-minute prices and hidden line items
How much do appointment reminder calls reduce no-shows? What the research says
AI outbound calling campaigns: the legal framework in Türkiye (İYS, Law 6563, KVKK)
Latency in voice AI: why the 800 ms threshold matters and how to measure it
Testing telephony STT with WER and critical field accuracy
Two channels and diarization: separating call speakers
Streaming TTS: measuring time to first audio
Streaming STT: when is a transcript ready to use?
VAD, end of turn and barge-in: when to listen and when to stop
AvaritCall by industry: practical phone workflows for education, automotive and hospitality
The transparent usage model behind AvaritCall pricing
