AvaritCall Blog

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
Product guideFeatured

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.

Oct 2, 2026·4 min read
The transparent usage model behind AvaritCall pricingPricing

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.

Oct 2, 2026·4 min read
Getting started with AvaritCall: from the first call to daily operationsAvaritCall guides

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.

Oct 2, 2026·4 min read
AvaritCall by industry: practical phone workflows for education, automotive and hospitalityAvaritCall guides

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.

Oct 2, 2026·5 min read
WebRTC, SIP and PSTN: choosing a voice AI call pathVoice technology

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.

Oct 1, 2026·5 min read
TLS and SRTP: what is protected in a telephone call?Voice technology

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.

Oct 1, 2026·5 min read
DTMF interoperability: in-band tones, RFC 4733 and SIP INFOVoice technology

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.

Oct 1, 2026·5 min read
Telephone echo and AEC: why your own voice comes backVoice technology

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.

Oct 1, 2026·5 min read
VAD, end of turn and barge-in: when to listen and when to stopVoice technology

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.

Oct 1, 2026·5 min read
Streaming STT: when is a transcript ready to use?Voice technology

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.

Oct 1, 2026·5 min read
Streaming TTS: measuring time to first audioVoice technology

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.

Oct 1, 2026·5 min read
MOS, PESQ and POLQA: measuring telephone speech qualityVoice technology

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.

Oct 1, 2026·5 min read
Two channels and diarization: separating call speakersVoice technology

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.

Oct 1, 2026·5 min read
SIP 403, 408, 486 and 503: investigating call failuresVoice technology

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.

Oct 1, 2026·5 min read
G.711, G.722 and Opus: choosing a call audio codecVoice technology

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.

Oct 1, 2026·5 min read
8, 16 and 48 kHz: a reliable STT path from μ-law to PCMVoice technology

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.

Oct 1, 2026·5 min read
How jitter and packet loss affect voice AIVoice technology

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.

Oct 1, 2026·5 min read
SIP, SDP and RTP: from codec negotiation to working audioVoice technology

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.

Oct 1, 2026·5 min read
How RTP packetization changes bandwidth and delayVoice technology

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.

Oct 1, 2026·5 min read
Testing telephony STT with WER and critical field accuracyVoice technology

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.

Oct 1, 2026·5 min read
AvaritCall vs Retell AI: Pricing, Features and Capacity Compared (2026)Comparison

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.

Sep 11, 2026·6 min read
AvaritCall vs Bland AI: Pricing, Scope and Capacity Compared (2026)Comparison

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.

Sep 11, 2026·7 min read
AvaritCall vs Synthflow: Pricing, Scope and Capacity Compared (2026)Comparison

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.

Sep 11, 2026·7 min read
AvaritCall vs PolyAI: Pricing, Buying Model and Capacity Compared (2026)Comparison

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.

Sep 11, 2026·7 min read
Latency in voice AI: why the 800 ms threshold matters and how to measure itTechnology

Latency 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.

Aug 30, 2026·8 min read
AI outbound calling campaigns: the legal framework in Türkiye (İYS, Law 6563, KVKK)Security & Compliance

AI 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.

Aug 30, 2026·8 min read
How much do appointment reminder calls reduce no-shows? What the research saysResearch

How 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.

Aug 30, 2026·7 min read
AI call center cost in 2026: per-minute prices and hidden line itemsPricing

AI 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.

Aug 30, 2026·9 min read
AI phone assistant for real estate offices: which calls it takes over and how to set it upIndustry

AI 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.

Aug 30, 2026·7 min read
Voice AI or a Call Center? Cost, Capacity and Quality ComparedComparison

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.

Jun 30, 2026·5 min read
Voice AI vs Traditional IVR: Cost, Flexibility and Capacity Compared (2026)Comparison

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.

Jun 30, 2026·7 min read
AvaritCall vs Vapi: Pricing, Scope and Capacity Compared (2026)Comparison

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.

Jun 30, 2026·11 min read
AvaritCall vs ElevenLabs: Pricing, Scope and Capacity Compared (2026)Comparison

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.

Jun 30, 2026·12 min read
Missed calls, missed revenue: what every unanswered phone really costs youStrategy

Missed 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.

Jun 5, 2026·5 min read
How to cut call-center cost: reduce the burden, not the peopleCost

How 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.

Jun 4, 2026·6 min read
Not just a voice: AvaritCall talks to your CRM, calendar and systemsIntegrations

Not 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.

Jun 3, 2026·5 min read
The keypad menu is dead: from 'Press 1 for...' to an AI that actually talksProduct

The 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.

May 30, 2026·6 min read
Translation is not enough: voice AI that understands accent, intent and nuanceTechnology

Translation 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.

May 14, 2026·5 min read
A calendar that fills while you sleep: a 24/7 appointment-booking voice assistantIndustry

A 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.

May 6, 2026·5 min read