NLM Call
Next-Generation Realtime Voice AI Platform

Autonomous Enterprise Voice AI Agents

Ultra-Low Latency (<300ms)
Smart Human Interruption
Multilingual & Sentiment AI
Live CRM & API Integration
Enterprise-Grade Security

Automate customer support, inbound inquiries, and outbound sales calls with humanlike voice AI operating at ultra-low sub-300ms latency.

< 300msRealtime Latency
99.4%Speech Accuracy
24/7Automated Operation
BDT 6.00Enterprise Rate / Min
Trusted by fast-growing startups
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Full-Duplex Voice Engine Pipeline

How Our AI Voice Architecture Works

From incoming PSTN/WebRTC calls to real-time speech processing and natural voice response streaming in under 300ms latency.

Realtime AI Voice Output Streamed Back to Human
01 Human CallerPSTN / WebRTC
WebRTC / SIP
02 SIP Telephony
Media ServerAgent Server
AGENTS FRAMEWORK
Noise Cancellation
STTnLM-v1 voice stt-
Semantic Turn Detection
LLM
03 nLM-v2 voice LLM
04 API & CRM

CUSTOM BUSINESS LOGIC

Live Data Fetch & Save

TTS
05 AI Voice OutputStreamed Audio Out
Database / CRM
Workflow Status: Active Full-Duplex Flow
Realtime Voice Processing • Latency < 300ms

Empower Your Workflow with AI

Transform your customer support and sales operations with ultra-fast AI Voice Agents, instant CRM logging, and infinite concurrent call capacity.

Traditional vs AI Call Center
Slash call handling costs by 85% with zero wait time & 24/7 availability.

Traditional
Our AI Agent
15+ min wait time
Instant (<300ms)
Limited 9am-5pm
24/7 Continuous
High Salary Costs
85% Cost Saving
1 call per agent
10k+ Concurrent

24/7 Human-Like AI Voice Agents
Full-duplex real-time conversations with natural voice inflections & <300ms latency.

Live Customer Call
Duration: 01:42 | HD Voice
260ms Latency
AI Speaking...
Caller: "Can I reschedule my appointment for tomorrow at 3 PM?"
AI: "Certainly! I've updated your booking to tomorrow at 3:00 PM."

Smart CRM & Workflow Sync
Sync caller data directly to HubSpot, Salesforce, Zendesk, Stripe & Webhooks.

Real-Time Event Sync
Webhooks Active
HubSpot CRM
Contact & Lead Synced
Salesforce
Deal State Updated
Zendesk
Ticket Auto-Closed
Stripe
Payment Confirmed
Call Summary & Audio URL exported

Live Sentiment & Analytics
Detect customer emotion, extract key action items, and track live CSAT scores.

Caller Sentiment: Highly Positive (94%)
Intent:Product Demo Request
Lead Score:High Intent (9.8 / 10)
CSAT Score:5.0 / 5.0 Stars

10,000+ Concurrent Call Scale
Handle unexpected call surges without dropped calls or extra staffing costs.

Concurrent Active Channels
10,240 Live
Call #8,491
US-East (N. Virginia)03:12
Call #8,492
EU-West (Frankfurt)01:45
Call #8,493
AP-South (Singapore)00:58
Auto-Scaling Cluster Load: 14%
Zero Queueing

1-Click Telephony & SIP Gateway
Bind custom phone numbers, Twilio, Plivo, or your existing PBX system in seconds.

SIP Trunking & Carrier Gateway
Connected
Active Number:+1 (800) 555-0199
Provider Sync:Twilio / Plivo / Custom SIP
STIR/SHAKEN Caller ID Verification Enabled
NLM Call's real-time voice handling cut our operational overhead in half and made agent dispatching effortless.
Guillermo Rauch avatar
Guillermo Rauch
CEO, Vercel
Transparent & Predictable Voice AI Pricing (Dynamic BDT Billing)

Select the Right Plan for Your Scale

No hidden fees or setup charges. Scale your autonomous voice agent seamlessly as your volume grows.

Starter

Pay As You Go

No monthly commitment required
Live Billing Rate (BDT ৳)
BDT 3.50/ min
Monthly Total:Pay for what you use
Included Volume:Flexible (No commitment)

Ideal for testing, pilot projects, or small volume call automation needs.

Included Features:
  • High-accuracy Multilingual STT & Intent Detection
  • Humanlike Natural Voice Generation (TTS)
  • PSTN Telephony & WebRTC Voice Stream Integration
  • Live Call Transcripts & Analytics Dashboard
  • Instant Balance Top-Up via Card or Wallet
Instant Activation & Priority Onboarding

Growth Plan (NLM-V1)

For High-Growth Business Automation

Standard Pipeline AI
Live Billing Rate (BDT ৳)
BDT 3.50/ min
Monthly Total:BDT 10,500
Included Volume:3,000 mins / month

Designed for scaling customer support teams and automated outbound sales.

Included Features:
  • 3,000 Included Monthly Voice Minutes (BDT 3.50/min)
  • Ultra-Low Latency Realtime AI Response
  • Smart Customer Interruption Handling
  • Live API Function Calling & CRM Synchronization
  • Dedicated High-Priority Telephony Bandwidth
Instant Activation & Priority Onboarding
Most Popular Plan

Native V2 Realtime Plan

Maximum Scale & Dedicated Performance

Zero-Latency End-to-End Voice
Live Billing Rate (BDT ৳)
BDT 6.50/ min
Monthly Total:Pay per realtime minute
Included Volume:Unlimited mins / month

Built for large call centers, enterprise fleets, and high-volume operations.

Included Features:
  • Native End-to-End Voice AI (BDT 6.50/min)
  • Zero Latency Humanlike Conversation
  • Custom Brand Voice Tuning & Specialized Model Training
  • Dedicated Cloud Infrastructure & Custom API Endpoints
  • SLA Guarantees & 24/7 Priority Support Engineer
Instant Activation & Priority Onboarding

Coding made effortless

Hear how businesses scale call centers seamlessly,
and manage operations with confidence using NLM Call

The real-time voice handling from NLM Call feels like having an expert call agent responding to callers instantly. The audio clarity and responsiveness have drastically reduced hold times.
Annette Black avatar
Annette Black
Sony
Integrating NLM Call into our stack was smooth, and the SIP trunk connections saved us days of configuration work
Dianne Russell avatar
Dianne Russell
McDonald's
NLM Call’s voice agent feature has been a game changer. We’re handling high call volumes effortlessly without expanding our physical call center.
Cameron Williamson avatar
Cameron Williamson
IBM
We no longer juggle multiple telecom tools. NLM Call brought all our SIP trunks and voice agents together in one place.
Robert Fox avatar
Robert Fox
MasterCard
We started with the free plan just to test it out, but within a week we upgraded. Now, our entire customer service runs on NLM Call.
Darlene Robertson avatar
Darlene Robertson
Ferrari
Managing inbound customer lines feels effortless now. With NLM Call’s real-time dashboard, call monitoring is fast and reliable.
Cody Fisher avatar
Cody Fisher
Apple
Setting up SIP routing with NLM Call was seamless. We went from configuration to taking live calls in minutes without telecom headaches.
Albert Flores avatar
Albert Flores
Louis Vuitton

Frequently Asked Questions

Everything you need to know about NLM Call and how it can transform your voice operations

What is NLM Call and who is it for?
NLM Call is an intelligent voice and call agent platform designed for businesses, call centers, and teams who want to automate and streamline their voice communications.
How does NLM Call's voice agent work?
Our system handles inbound and outbound calls in real-time with ultra-low latency, offering seamless SIP trunk integration, human-like voice conversations, and automated call workflows.
Can I integrate NLM Call with my existing tools?
Yes! NLM Call offers flexible integrations with standard SIP trunks, PBX providers, webhooks, and REST APIs, allowing seamless connectivity across your entire telecom stack.
What's included in the free plan?
The free plan includes real-time call testing, basic SIP configuration, sample voice agent access, and complete dashboard management.
How do parallel voice agents work?
Our voice agents can handle multiple concurrent inbound and outbound phone calls simultaneously, dynamically scaling to meet your call center demand without delays.
Is my data secure with NLM Call?
Absolutely. We use enterprise-grade security measures including encrypted WebRTC/SIP streams, secure credential storage, and end-to-end access control.

Coding made effortless

Hear how businesses handle calls faster, collaborate seamlessly, and build with confidence using NLM Call