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IP Telephony Experts
Best IP Telephony Solutions in India
IP PBX, SIP trunking, cloud telephony and IP desk phones — designed, installed and supported for growing businesses.
About Us
One of the Best IP Telephony Providers in India
Looking for the best IP telephony solution in India? String Engineering Network (OPC) Pvt. Ltd. designs and installs IP PBX and VoIP phone systems that give your team clear calls, easy extensions and features like IVR, call recording and mobility.
We handle planning, supply of genuine IP phones and gateways, configuration, SIP trunk integration and ongoing AMC. Explore our PABX & VoIP telephony solutions or contact us for a quotation.
Why Choose Us
Why Businesses Choose String Engineering Network
Complete VoIP Setup
IP PBX, phones, gateways and SIP trunks from one team.
Feature-Rich Calling
IVR, call queues, recording, voicemail and mobile apps.
Genuine IP Phones
Branded IP phones and gateways with proper warranty.
Cost-Saving Calls
Lower call costs with SIP trunks and internal free calls.
Transparent Pricing
Clear proposals and quotations with no hidden costs.
Reliable Support & AMC
Quick on-site and remote support with AMC plans.
IP Telephony
IP Telephony Solutions We Provide

IP PBX System
IP PBX System
On-premise IP PBX with extensions, IVR, call routing and recording.

SIP Trunking
SIP Trunking
Connect your PBX to SIP lines for lower call costs and more channels.

Cloud Telephony
Cloud Telephony
Hosted phone system with no hardware box and easy remote working.

Business VoIP
Business VoIP
VoIP calling for offices, branches and remote teams on one platform.

IP Desk Phones
IP Desk Phones
HD-voice IP desk phones and conference phones for every desk.

Call Center Telephony
Call Center Telephony
Queues, IVR, dialers and reports for sales and support teams.
Industries
Businesses We Serve
Corporate Offices
Desk phones, extensions and conferencing.
Hotels & Hospitality
Room phones, reception and guest services.
Hospitals & Clinics
Nurse stations, wards and paging.
Call Centers
Queues, IVR, recording and agent phones.
Education
Campus, hostel and admin telephony.
Factories & Warehouses
Shop-floor phones and intercom.
How We Work
Simple, Transparent Process
Requirement Study
We understand your business, users and current setup.
Planning & Proposal
A clear solution design and transparent quotation.
Supply & Installation
Genuine products installed and configured by our engineers.
Support & Maintenance
Ongoing support and AMC to keep everything running.
Looking for the Best IP Telephony Solution in India?
Tell us your users, branches and call needs, and we will suggest the right IP telephony setup.