Enterprise Bulk SMS & Messaging Gateway

BTRC Approved Telecom Aggregator, Dynamic Sender ID Masking, High-Throughput OTPs & RESTful API Sandbox

BTRC Approved Aggregator • 4G/5G Direct Telco Interconnect

Mission-Critical Bulk SMS Gateway

Carrier-grade messaging infrastructure delivering high-concurrency 2FA OTPs, transactional notifications, and promotional broadcasts directly to Grameenphone, Robi, Banglalink, and Teletalk subscribers with sub-3 second latency.

11-Char Alphanumeric Sender ID MaskingZero-Queue High TPS OTP PipelineDND Scrubbing & Real-time DLR Receipts

Interactive SMS Simulator Developer REST API

DELIVERY SLA

99.98%

Successful Handset Ping

OTP LATENCY

< 2.2s

End-to-End Delivery

THROUGHPUT

5,000+

Messages Per Sec (TPS)

CARRIERS

4 Direct

GP, Robi, BL, Teletalk

Interactive Dispatch Simulator

Live Handset SMS Preview & Rate Calculator

Test your message copy, preview real handset rendering with approved Sender ID masking, and calculate segment counts in real-time.

BTRC Approved Encoding

Load Sample Presets:

Message Content:93 chars • 1 SMS Segment(s)

Encoding

GSM 7-Bit

Total SMS Cost

৳ 0.38 / Recipient

Max Limit / Part

160 Characters

4G LTE

12:45 PM100%

IMPRESSIVE

BTRC Verified Masking

Today • Delivered

Your Impressive Group OTP is 748291. Do not share this confidential security PIN with anyone.

12:45 PM

Text Message...

5,000+ TPS

ZERO-QUEUE SS7 ROUTE

Priority OTP & 2FA Authentication Gateway

Direct operator SS7 and SMPP v3.4 interconnects delivering mission-critical one-time passwords, login pins, and banking alert triggers with automated telco failover.

Sub-3 second delivery across all Bangladesh operators

Automatic dynamic routing bypasses congested telco towers

Bank-grade TLS 1.3 encryption for security compliance

Latency: < 2.2 Seconds

10,000+ TPS

BTRC APPROVED MASKING

Branded Alphanumeric Sender ID Masking

Broadcast high-impact marketing campaigns displaying your official company name (up to 11 alphanumeric characters) directly on customer handset inbox headers.

100% BTRC brand sender ID registration assistance

Excel / CSV bulk contact list upload with deduplication

Scheduled time-zone broadcasts and DND scrubbing

Latency: < 5.0 Seconds

2,500+ TPS

INTERACTIVE FEEDBACK

Two-Way Interactive SMS & Dedicated Shortcodes

Empower customers to text back directly via 5-digit shortcodes or longcode virtual numbers for automated surveys, customer support triage, and promotional voting.

Instant auto-response keyword trigger automation

Real-time inbound SMS webhook delivery to your CRM

Customizable keyword routing (e.g., text HELP to 16XXX)

Latency: < 1.8 Seconds

Unlimited Scalable

DEVELOPER SANDBOX

RESTful Messaging API & SMPP v3.4 Protocol

Robust HTTP REST APIs and high-volume SMPP sockets with instant JSON webhooks providing granular delivery receipts (DLR) down to handset delivery status.

SDK libraries for Python, Node.js, PHP, cURL & Go

Real-time delivery receipts (DLR) with error code telemetry

Sandbox test credits with simulated operator responses

Latency: Real-time DLR

6,000+ TPS

TARGETED CAMPAIGNS

Dynamic Merge Tags & Variable Personalization

Personalize every message with dynamic merge parameters: Customer Name, Due Balance, Payment Link, Tracking Number, and Custom Appointment Time.

Dynamic placeholder tags: {name}, {invoice}, {amount}

URL shortener with unique click tracking analytics

Segmented demographic targeting (district, operator, billing tier)

Latency: < 3.5 Seconds

Hybrid Multi-Channel

INTELLIGENT FAILOVER

Omnichannel SMS & WhatsApp Business Fallback

Smart omnichannel gateway: prioritizes WhatsApp Business API with rich media, and automatically falls back to carrier SMS if the message remains undelivered.

Verified Meta WhatsApp Business API green tick badge

Automatic cost-saving fallback logic to priority SMS

Interactive CTA buttons, PDF invoices, and catalog messages

Latency: Adaptive Routing

API Documentation

Developer Sandbox & Integration Code Snippets

Integrate our RESTful API endpoint in under 5 minutes with complete DLR webhook support.

curl -X POST https://api.impressivegroup.com/v2/sms/send \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "sender_id": "IMPRESSIVE",
    "recipient": "+8801700000000",
    "message": "Your verification security code is 849201. Valid for 5 mins.",
    "type": "transactional"
  }'

Regulated Telecom Tariff

Transparent Volume Tier Pricing

Zero setup fee, lifetime credit validity, and direct BTRC licensed operator routing.

Starter Pack

5,000 - 25,000 SMS

৳ 0.28 / Non-Mask

Official Masking: ৳ 0.45 / SMS

Standard SMPP & REST API

Web Portal GUI Access

Delivery Receipt Webhooks

Email & Ticket Support

Get Started with Starter Pack

Growth Volume

25,000 - 100,000 SMS

৳ 0.24 / Non-Mask

Official Masking: ৳ 0.38 / SMS

High-Throughput Priority SMPP

Free BTRC Masking Registration

Dynamic Variable Merge Tags

24/7 Dedicated Account Lead

Get Started with Growth Volume

Enterprise & Banking

100,000+ Unlimited

৳ 0.20 / Non-Mask

Official Masking: ৳ 0.32 / SMS

Dedicated Telco Operator SS7 Pipes

Custom DLT Scrubbing & Firewall

Custom Billing & Postpaid Credit

100% Financial Grade SLA (<2s)

Get Started with Enterprise & Banking

Direct Carrier SMPP Interconnects:

Grameenphone (GP)Robi AxiataBanglalinkTeletalk BangladeshBTRC Licensed Aggregator

24/7 CARRIER NOC GATEWAY OPERATIONS

Scale Enterprise Communications with Zero-Downtime Reliability

Need dedicated high-throughput SMPP binds, banking 2FA OTP integration, or BTRC sender ID masking approvals? Speak directly with our Telecom Operations Team.