Pan-India Voice & Data Services

Powering India's
Voice Network

Enterprise VoIP · Call Center Solutions · Asterisk · VICIdial
IP Phones · VoIP Gateways · IP PBX · Paging & Intercom Systems
Serving businesses across 50+ cities through our dealer & distributor network.

Get a Free Quote 💬 WhatsApp Us
50+Cities Covered
500+Happy Clients
10+Years Experience
24/7Support

Our Services

Complete voice & data communication services tailored for Indian businesses.

📞

VoIP Services

High-quality, low-cost VoIP termination and origination for businesses of all sizes. SIP trunking, DID numbers & more.

🌎

Data Connectivity

Reliable broadband, leased line and MPLS solutions enabling seamless voice & data transmission across India.

📱

SIP Trunking

Scalable SIP trunks replacing traditional PRI/BRI lines. Save up to 60% on your communication costs.

📈

Call Center Solutions

End-to-end inbound & outbound call center setup — hardware, software, connectivity & support all under one roof.

💻

Cloud PBX

Hosted PBX with IVR, call recording, ring groups & advanced call routing — no hardware investment needed.

🛠

AMC & Support

Annual maintenance contracts with SLA-backed uptime commitments for voice infrastructure across India.

Core Solutions

Specialized in open-source telephony platforms for enterprise & call center deployments.

Asterisk PBX

★ Asterisk PBX Solutions

Asterisk is the world's most popular open-source telephony platform. ADI Technologies designs, deploys and supports customized Asterisk-based PBX systems for businesses ranging from 10 to 10,000 users.

  • Custom IVR & Auto-Attendant Design
  • SIP Gateway Integration
  • CRM & ERP Integration (Zoho, Salesforce, custom)
  • Call Recording & Analytics
  • Failover & High-Availability Clusters
  • Remote Installation & Support across India
Get Asterisk Solution
VICIdial Call Center

★ VICIdial Call Center

VICIdial is the most widely deployed open-source call center solution globally. ADI Technologies provides full-stack VICIdial deployment, customization, training and ongoing support.

  • Predictive, Preview & Progressive Dialing
  • Inbound ACD with Skills-Based Routing
  • Real-Time Agent & Campaign Monitoring
  • Custom Dispositions & Scripts
  • DNC List Management
  • Multi-Server & Multi-Site Deployments
Get VICIdial Solution
Need Asterisk or VICIdial Support Right Now? Our certified engineers are available 24/7 for remote troubleshooting & fixes.
📞 +91 75999-67999 💬 WhatsApp

Hardware & Products

End-to-end hardware portfolio — voice, networking & IT products for your office or call center, delivered & supported across India.

📞 Voice & Telephony Products
📞

IP Phones

SIP-based desktop, conference & wireless IP phones from leading brands. Plug-and-play with any SIP PBX or hosted platform.

  • Entry-level to Executive desk phones
  • PoE & Gigabit models
  • Conference & Reception phones
  • Wireless / DECT SIP handsets
Get Quote
🔁

VoIP Gateways

Connect traditional PSTN, PRI, GSM & analog lines to your IP telephony infrastructure with robust, field-proven gateways.

  • FXO & FXS Analog Gateways
  • GSM / 4G VoIP Gateways
  • E1/T1/PRI Gateways
  • Multi-port PoE Gateway solutions
Get Quote
📈

Call Center Dialers

Hardware & software predictive dialers for outbound campaigns. Maximize agent talk-time and campaign ROI.

  • Predictive & Progressive Dialers
  • VICIdial-based Dialer Systems
  • CRM-integrated dialing
  • Multi-campaign management
Get Quote
🎧

Call Center Headsets

Professional noise-cancelling headsets for high-volume call center agents — corded, wireless & USB variants available.

  • Mono & Duo (binaural) models
  • Active Noise Cancellation (ANC)
  • USB, 3.5mm & QD connector options
  • Wireless DECT & Bluetooth models
Get Quote
🔊

IP Paging Systems

IP-based public address & paging solutions for offices, factories, warehouses, hospitals & campuses across India.

  • SIP-based zone paging
  • Ceiling & horn speakers
  • Scheduled announcement support
  • Integration with existing PBX
Get Quote
🔓

IP Intercom Systems

Video & audio IP intercoms for secure access control, reception management and facility communication.

  • SIP door phones & video intercoms
  • PoE-powered, weatherproof units
  • Integration with IP PBX & access control
  • Multi-apartment & villa systems
Get Quote
🕪

SIP Speakers

Network-attached SIP speakers for mass notification, background music and emergency broadcast — no separate amplifier needed.

  • Ceiling, wall & horn mount variants
  • PoE powered — single cable install
  • Multi-zone audio control
  • Emergency & alert broadcast
Get Quote
🖥

IP PBX Solutions

Hardware IP PBX appliances and software-based solutions for businesses requiring an on-premise telephony platform.

  • Appliance-based & software IP PBX
  • 10 to 10,000 users scalability
  • Built-in IVR, voicemail & conferencing
  • Asterisk / FreePBX / proprietary options
Get Quote
🌐 Networking & IT Products
📡

WiFi Access Points

Enterprise-grade indoor & outdoor wireless access points for seamless high-density Wi-Fi coverage in offices, campuses & warehouses.

  • 802.11ac / Wi-Fi 6 (ax) models
  • PoE-powered, ceiling & wall mount
  • Centralized controller management
  • Mesh & standalone deployment
Get Quote
🔗

Network Switches

Managed & unmanaged network switches for reliable LAN infrastructure in offices, data centers and call centers.

  • 8 / 16 / 24 / 48 port models
  • Gigabit & 10G SFP+ uplinks
  • VLAN, QoS & STP support
  • Rack & desktop form factors
Get Quote
⚡

PoE Switches

Power over Ethernet switches to energize IP phones, access points, cameras & intercoms — eliminating separate power adapters.

  • PoE / PoE+ / PoE++ models
  • Up to 30W / 60W / 90W per port
  • Total budgets from 65W to 1440W
  • Managed & unmanaged variants
Get Quote
💡

Fiber Switches

SFP & SFP+ fiber optic switches for long-distance, high-speed backbone connections between floors, buildings & campuses.

  • Single-mode & multi-mode SFP
  • Layer 2 & Layer 3 managed
  • 10G / 25G / 40G uplinks
  • Media converters & fiber patch panels
Get Quote
💚

WiFi Routers

Business-grade wired & wireless routers with VPN, firewall and multi-WAN load balancing for uninterrupted internet connectivity.

  • Dual-band & tri-band Wi-Fi 6
  • Multi-WAN & failover support
  • Built-in VPN (IPSec, L2TP, PPTP)
  • QoS for voice traffic prioritization
Get Quote
💾

Pen Drives / USB Drives

High-speed USB 3.0 & USB-C pen drives for data transfer, system imaging, PBX backups and field technician kits.

  • USB 3.0 / 3.1 / USB-C
  • Capacities: 16GB to 256GB
  • Bulk supply for corporates
  • Branded & unbranded options
Get Quote
💿

Hard Disks & SSDs

Internal & external HDDs and SSDs for call recording servers, PBX systems, CCTV NVRs and general office use.

  • SATA, SAS & NVMe SSDs
  • Surveillance & NAS grade HDDs
  • Capacities: 500GB to 20TB
  • External portable drives available
Get Quote
🥋

RAM / Server Memory

DDR4 & DDR5 desktop, laptop and server RAM modules for upgrading PBX servers, call center workstations and office PCs.

  • DDR4 / DDR5 desktop & laptop RAM
  • ECC & Registered server memory
  • 4GB to 128GB per module
  • Compatible with major server brands
Get Quote
💻

Laptops & Workstations

Business laptops and workstations for call center agents, supervisors and IT teams — pre-configured and ready to deploy.

  • Business & call center agent laptops
  • Intel Core i3 / i5 / i7 / i9 options
  • Bulk procurement for call centers
  • AMC & onsite support available
Get Quote

Brands We Deal In

Authorized dealer & distributor for the world's leading voice, networking & IT brands across India.

📞 IP Phones & VoIP
GSGrandstream
YLYealink
CSCisco
FVFanvil
PYPoly
🔁 VoIP Gateways & GSM
GSGrandstream
DNDinstar
SWSynway
YLYealink
🎧 Headsets & Audio
PYPoly
PLPlantronics
SHSennheiser
FMFreemate
🌐 Networking & WiFi
DLD-Link
ARAruba
CSCisco
GSGrandstream
💻 IT & Computing
HPHP
LVLenovo
DLDell
CSCisco

Our Pan-India Dealer & Distributor Network

Presence in India's top 50 cities — enabling local support with national-scale infrastructure.

Delhi NCRMumbaiBengaluruHyderabad ChennaiKolkataPuneAhmedabad JaipurLucknowNoidaGurgaon ChandigarhBhopalIndoreNagpur VadodaraSuratCoimbatoreKochi ThiruvananthapuramVisakhapatnamPatnaRanchi BhubaneswarGuwahatiDehradunAmritsar JodhpurUdaipurAgraVaranasi MeerutKanpurAllahabadFaridabad GhaziabadLudhianaJalandharNashik AurangabadSolapurMysuruMangaluru HubliTiruchirappalliMaduraiSalem RaipurJabalpur

Don't see your city? Contact us — we serve all of India.

Why ADI Technologies?

Headquartered in Noida, serving all of India with world-class voice & data solutions.

✅

Certified Engineers

Asterisk, VICIdial & VoIP certified team with 10+ years of field experience.

✅

Pan-India Support

On-site support in 50+ cities through our dealer & distributor network.

✅

Cost-Effective

Open-source-based solutions reduce TCO by up to 70% vs proprietary alternatives.

✅

Scalable Architecture

From 5-seat offices to 5000-seat call centers — solutions grow with your business.

✅

Single-Window Service

VoIP + Data + Hardware + Software + Support from one trusted partner.

✅

24/7 NOC

Round-the-clock network operations center ensuring maximum uptime for your voice infrastructure.

Get In Touch

Reach out for a free consultation, demo, or quote. We respond within 2 hours on business days.

ADI Technologies

📍 Noida, Uttar Pradesh, India

📞 +91 75999-67999

✉ info@adi4.com

💬 WhatsApp: +91 75999-67999

Call Now WhatsApp Send Email

Business Hours

Mon–Sat: 9:00 AM – 7:00 PM IST

Emergency support: 24/7

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