What is IP Call? A Complete Guide to Internet Protocol Calling
June 15, 2025 • Guide
What is IP Call?
An IP Call (Internet Protocol Call) is a method of making voice calls using the internet rather than traditional telephone lines. Also known as VoIP (Voice over Internet Protocol), this technology converts your voice into digital data packets and transmits them over the internet.
How Does IP Calling Work?
When you make an IP call, your voice is captured by a microphone and converted into digital signals. These signals are broken into small data packets, transmitted over the internet, and reassembled at the receiving end. The entire process happens in milliseconds, making the call experience virtually identical to traditional phone calls.
Key Components:
- SIP (Session Initiation Protocol) — Manages call setup and teardown
- PBX (Private Branch Exchange) — Routes calls within an organization
- IP Phone or Softphone — The device or app used to make calls
- Internet Connection — The medium for transmitting voice data
Benefits of IP Calling for Businesses
1. Significant Cost Savings
Traditional phone calls, especially long-distance ones, can be expensive. IP calls dramatically reduce costs. With IPCallBD, rates start at just 40 Paisa + 15% VAT per minute with per-second billing.
2. Advanced Features
IP calling comes with features that traditional phones simply cannot match:
- IVR (Interactive Voice Response) — Automated menu systems
- Call Recording — Record and review conversations
- Call Forwarding — Route calls to any device
- Call Analytics — Detailed reports on call patterns
3. Scalability
Adding new lines or extensions is quick and easy — no need for physical wiring or hardware installation.
4. Remote Work Friendly
Staff can make and receive calls from anywhere using the same official business number, perfect for remote and hybrid work setups.
IP Calling in Bangladesh
Bangladesh has seen significant growth in IP calling adoption, especially among businesses looking to modernize their communication infrastructure. BTRC-licensed IPTSP operators provide the backbone for legitimate IP calling services.
IPCallBD works with licensed operators including Ranks ITT, Icon Infotech, Royal Green Online, and Sarkar Communication to provide reliable, legal IP calling services.
Getting Started with IP Calls
Getting started with IP calling through IPCallBD is simple:
- Choose a Cloud PBX package (starting at ৳500/month)
- Get your free corporate IP number
- Set up extensions for your team
- Start making calls at 40 Paisa + VAT per minute
Ready to switch to IP calling? Contact IPCallBD today for a free consultation.