Ideas on voice AI, customer calls and growth
Source-backed guides to audio codecs, phone quality, speech recognition and putting voice AI to work.
AvaritCall: a voice AI phone assistant for businesses
How the AvaritCall AI phone assistant links reception, support and appointment calls to your CRM and calendar, with per-second pricing. Read the guide.
The transparent usage model behind AvaritCall pricing
AI call center pricing at AvaritCall rests on one per-second minute rate. See the add-on items, worked examples and a budget method in the full breakdown.
Getting started with AvaritCall: from the first call to daily operations
Take your AI phone assistant from the AvaritCall demo to daily operations: see the first call, dashboard follow-up and per-minute pricing in this guide.
AvaritCall by industry: practical phone workflows for education, automotive and hospitality
How does an AI phone assistant adapt to your industry? Read how parent questions, service requests and hotel date changes are handled in their own context.
WebRTC, SIP and PSTN: choosing a voice AI call path
WebRTC, SIP and PSTN are different layers of a voice AI call. Learn how to test browser and telephone paths with the same task in this practical guide.
TLS and SRTP: what is protected in a telephone call?
TLS protects SIP signaling and SRTP protects media. Learn how to review key establishment, trust boundaries and transfers on an AI call center's phone path.
DTMF interoperability: in-band tones, RFC 4733 and SIP INFO
DTMF compared: in-band tones, RFC 4733 RTP events and SIP INFO. Learn how AI call center menus pick a method, handle conversion and test keypresses.
Telephone echo and AEC: why your own voice comes back
Echo, feedback and double talk need different checks. Learn how AEC uses reference audio and timing, and test your voice AI phone line step by step.
VAD, end of turn and barge-in: when to listen and when to stop
In voice AI, VAD, end of turn and barge-in are separate decisions. Read how to test pauses, interruptions and corrections in an AI phone assistant.
Streaming STT: when is a transcript ready to use?
Streaming STT text can change before it is final. Learn how a voice AI phone assistant should separate interim results, final segments and date checks.
Streaming TTS: measuring time to first audio
Measure time to first audio in streaming TTS for voice AI: separate first byte, playback and interruption timing. Read the complete measurement plan.
MOS, PESQ and POLQA: measuring telephone speech quality
Measure telephone speech quality with MOS, PESQ and POLQA: record scale, version, reference audio and test context for voice AI lines. Read the full checklist.
Two channels and diarization: separating call speakers
Two-channel audio vs. diarization for call speaker separation: check channel mapping, overlap and transfers before trusting labels. Read the checklist.
SIP 403, 408, 486 and 503: investigating call failures
How to investigate SIP 403, 408, 486 and 503 errors on voice AI and PBX lines using call traces, Retry-After and provider limits. Read the step-by-step guide.
G.711, G.722 and Opus: choosing a call audio codec
G.711, G.722 or Opus? For voice AI calls, weigh end-to-end compatibility, RTP clocks and STT input before choosing a codec. Read the decision checklist.
8, 16 and 48 kHz: a reliable STT path from μ-law to PCM
Reliable STT for voice AI needs more than a sample-rate label: see how to verify μ-law decoding, PCM format and the input contract at every stage.
How jitter and packet loss affect voice AI
Find the cause of broken audio and slow replies in voice AI: separate jitter, latency and packet loss, then learn to read buffer, FEC, PLC and RTCP evidence.
SIP, SDP and RTP: from codec negotiation to working audio
Voice AI call answered but silent? Check SIP, SDP and RTP separately to verify codec negotiation, payload mapping and the media path. Follow the steps here.
How RTP packetization changes bandwidth and delay
How RTP packetization changes bandwidth and delay on voice AI calls: compare 10, 20 and 40 ms G.711 calculations and learn how to plan call capacity.
Testing telephony STT with WER and critical field accuracy
Test STT for an AI phone assistant: calculate WER correctly, score names, numbers and dates separately and match the codec. See the step-by-step method.
AvaritCall vs Retell AI: Pricing, Features and Capacity Compared (2026)
AvaritCall vs Retell AI: per-minute rates, add-on fees, concurrency limits and compliance for AI phone assistants compared side by side. See which fits you.
AvaritCall vs Bland AI: Pricing, Scope and Capacity Compared (2026)
AvaritCall vs Bland AI on per-minute rates, transfer fees, concurrency limits and compliance. See which voice AI platform fits your call workflows.
AvaritCall vs Synthflow: Pricing, Scope and Capacity Compared (2026)
AvaritCall vs Synthflow: an enterprise contract from $30,000 a year or a no-commitment per-minute rate? Compare AI call center pricing, scope and capacity.
AvaritCall vs PolyAI: Pricing, Buying Model and Capacity Compared (2026)
AvaritCall vs PolyAI compared on pricing, buying model, concurrent calls, languages and compliance. Read this before you shortlist an AI call center.
TechnologyLatency in voice AI: why the 800 ms threshold matters and how to measure it
Voice AI latency and the 800 ms threshold: turn-taking research, ITU delay limits, the STT-LLM-TTS chain and a p50/p90 test protocol. Read before you choose.
Security & ComplianceAI outbound calling campaigns: the legal framework in Türkiye (İYS, Law 6563, KVKK)
Outbound campaigns with an AI phone assistant in Türkiye: İYS consent, Law No. 6563, the KVKK privacy notice and 2026 fines. Read the limits before dialling.
ResearchHow much do appointment reminder calls reduce no-shows? What the research says
How much do appointment reminder calls cut no-shows? Peer-reviewed evidence on channel, timing and confirmation, and where an AI phone assistant fits. Read on.
PricingAI call center cost in 2026: per-minute prices and hidden line items
AI call center cost in 2026: STT, LLM, TTS and telephony line items, hidden monthly fees and 1,000/10,000-minute scenarios compared. See the full math.
IndustryAI phone assistant for real estate offices: which calls it takes over and how to set it up
AI phone assistant for real estate offices: which listing, viewing and lead calls it can take over, what stays with the agent, and the setup steps. Read on.
Voice AI or a Call Center? Cost, Capacity and Quality Compared
Voice AI or a traditional call center? We compare cost, concurrent capacity, quality and human handoff side by side. Read on to pick the right setup.
Voice AI vs Traditional IVR: Cost, Flexibility and Capacity Compared (2026)
Voice AI or a keypad IVR? We compare both on interaction, capacity, cost and agent handoff, including where IVR still wins. See which one fits your line.
AvaritCall vs Vapi: Pricing, Scope and Capacity Compared (2026)
Compare AvaritCall and Vapi on per-minute rates, included models, concurrent call limits and compliance, and find the AI call center platform for your team.
AvaritCall vs ElevenLabs: Pricing, Scope and Capacity Compared (2026)
AvaritCall and ElevenLabs ElevenAgents compared as an AI call center: minute rates, LLM costs, telephony and concurrency limits. See which fits your team.
StrategyMissed calls, missed revenue: what every unanswered phone really costs you
Every unanswered call can be a lost booking or sale. Learn what missed calls really cost and how an AI call center answers your callers around the clock.
CostHow to cut call-center cost: reduce the burden, not the people
How an AI call center cuts cost without cutting staff: absorb repetitive calls, hand complex ones to agents and pay per second. Read the full breakdown.
IntegrationsNot just a voice: AvaritCall talks to your CRM, calendar and systems
An AI phone assistant pays off when it talks to your CRM, calendar, WhatsApp and SIP PBX. See how AvaritCall integrations turn calls into action.
ProductThe keypad menu is dead: from 'Press 1 for...' to an AI that actually talks
Keypad IVR menus wear callers out. A voice AI phone assistant listens, understands intent and resolves requests. See the difference and how to switch via SIP.
TechnologyTranslation is not enough: voice AI that understands accent, intent and nuance
In Turkish, one word can carry a whole sentence. Learn how a voice AI phone assistant should handle suffixes, accents and intent to resolve calls.
IndustryA calendar that fills while you sleep: a 24/7 appointment-booking voice assistant
A 24/7 AI phone assistant answers after-hours calls, books appointments in its built-in calendar and makes reminder calls. See how it keeps your diary full.