Carrier-Grade VoIP Telephony, Multi-Branch IVR & Bangladesh SIP Trunking
Free inter-branch extension calling, crystal-clear HD Opus audio, and intelligent auto-attendant routing.
Modernize your corporate communication infrastructure with Extent Technologies' carrier-grade IPBX telephony. Connect all your regional corporate branches, factory floors, and remote agents into a unified private PBX network with zero call charges between offices, multi-level IVR menus, live call recording, and seamless Bangladesh SIP trunking.
Four Core Architectural Pillars of IP Phone & IPBX Telephony
Built on verified carrier-grade systems with redundant failovers, stringent data security, and enterprise SLA backings.
Free Inter-Branch Extension Calling
Connect your Dhaka headquarters, Chittagong factory, regional sales depots, and remote executives into one unified private dial plan with 3-digit or 4-digit internal extension calling.
- Zero per-minute call charges between any company branch office
- Seamless internal extension transfers with music-on-hold
- Direct extension dialing from mobile softphones on iOS and Android
- Scalable from 10 extensions to over 5,000 corporate lines
Intelligent Multi-Level IVR & Call Queues
Greet callers with a polished, professional auto-attendant that guides customers directly to the correct department (Press 1 for Sales, 2 for Technical NOC, 3 for Billing).
- Custom professional bilingual voice recordings (Bengali and English)
- Intelligent queue distribution algorithms (Round-Robin, Ring-All, Least-Recent)
- Time-condition routing directing calls to after-hours voicemail or standby engineers
- Caller queue position announcements and estimated wait time notifications
High-Concurrency Bangladesh SIP Trunking
Connect your IPBX directly to national PSTN and mobile networks through authorized high-capacity SIP trunking supporting hundreds of simultaneous incoming and outgoing calls.
- Single unified hunting hotline number (e.g. 09644-XXXXXX) with 30+ concurrent lines
- Crystal-clear voice quality routed over high-priority QoS network paths
- Full interoperability with IPTSPs and national telecom operators in Bangladesh
- Automated secondary SIP trunk failover ensuring calls never drop
Live Call Recording & CRM Integration
Empower managers with total quality oversight through automated call recording, live supervisor monitoring, and CRM screen popups upon incoming calls.
- High-fidelity call recordings archived automatically for compliance and staff training
- Live supervisor whisper and barge-in functionality for real-time agent coaching
- CRM screen popup integration displaying caller history before picking up
- Comprehensive call analytics: answer rates, hold durations, and missed call alerts
Detailed Technical Specifications Matrix
Inspect the comprehensive physical, mechanical, network, and operational standards underpinning our IP Phone & IPBX Telephony.
PBX Engine & Protocols
Spec 01Call Management Features
Spec 02SIP Trunking & Connectivity
Spec 03Deployment & Support
Spec 04Enterprise Deployment Scenarios
Discover how leading organizations leverage IP Phone & IPBX Telephony to resolve mission-critical technical bottlenecks.
Corporate Multi-Branch Unified Communication
High-Volume Customer Support Call Center
24/7 Emergency Hospital & Clinic Hotline
Transparent 4-Step Deployment Workflow
From initial technical sizing to live production handover, our Dhaka engineering team guides every phase.
Telephony Sizing & Dial Plan Design
We analyze your extension count, branch locations, concurrent call requirements, and design your internal dial plan.
IPBX Server & SIP Trunk Setup
Deploy your dedicated cloud IPBX instance inside our Dhaka datacenter, allocate corporate 096 hotline numbers, and configure IVRs.
IP Phone Provisioning & Delivery
Pre-configure desk IP phones (Yealink/Grandstream) or mobile softphones with encrypted SIP credentials for plug-and-play installation.
Live Go-Live & Staff Orientation
Conduct sound checks, test call transfer workflows, provide receptionist training, and activate 24/7 NOC monitoring.
Frequently Asked Questions
Common technical and commercial questions about IP Phone & IPBX Telephony.
Ready to deploy IP Phone & IPBX Telephony with guaranteed SLA?
Speak directly with our Dhaka infrastructure and software leads. We will prepare an exact architectural blueprint and commercial proposal within 24 hours.