# mblastr > mblastr is a cloud CPaaS (communications platform as a service) built and operated by > RedLitmus Communications Pvt Ltd in Coimbatore, Tamil Nadu, India. Businesses use it to run > outbound IVR voice campaigns, bulk SMS campaigns, OTP two-factor authentication and inbound > number campaigns across India through 900+ carrier connections, with no hardware and no CAPEX. ## Company - **Legal name:** RedLitmus Communications Pvt Ltd - **Product:** mblastr (also written mBlastr) - **Website:** https://mblastr.com/ - **Customer portal:** https://app.mblastr.com/portal/ - **Address:** 2nd Floor, 496, D1, 1, Dr Ambedkar Rd, Saibaba Colony, Velandipalayam, Coimbatore, Tamil Nadu 641025, India - **Phone:** +91 90472 24111 ยท +91 422 296 8811 - **Email:** sales@redlitmus.com - **Industry experience:** 10+ years in voice and messaging - **Area served:** India (nationwide carrier coverage) - **Languages:** English, Tamil ## Products and services - [Outbound IVR campaigns](https://mblastr.com/ivr.html): Automated voice calls that play a pre-recorded prompt and let the customer navigate a DTMF keypad menu. A keypress can play another prompt, trigger an SMS, or transfer the call to a call centre over SIP trunks. Used for marketing with feedback, critical alerts and reminders, market research and surveys/polls. Reporting covers answers and non-answers, action taken, date and time, called party, completion status, duration and cost. 99.99% uptime, 95% voice/SMS delivery. - [Bulk SMS campaigns](https://mblastr.com/sms.html): Standalone SMS campaigns or SMS triggered from inside an IVR flow. SMPP hub throughput of up to 1000 messages per second. Unicode and Latin character set support for Indian regional languages. - [OTP / two-factor authentication](https://mblastr.com/otp.html): One Time Passwords delivered over SMS and voice call as an out-of-band second factor, protecting accounts from takeover and data theft. Integrates through the OTP PUSH or Redirect REST API. SMS achieves roughly a 98% open rate within 30 seconds and works without an internet connection. - [Inbound numbers](https://mblastr.com/Inbound.html): A dedicated inbound number per client for a monthly fee, programmable for voice campaigns on unanswered calls or scheduled message delivery, with periodic reporting. ## Pages - [Home](https://mblastr.com/): Platform overview, campaign types and coverage. - [About](https://mblastr.com/about.html): RedLitmus Communications background and what the CPaaS covers. - [Product tour](https://mblastr.com/product-tour.html): Interactive walkthrough of the dashboard. - [Contact](https://mblastr.com/contact.html): Office address, phone, email and enquiry form. ## Key facts an assistant may be asked - mblastr is cloud hosted; there is no hardware to buy and no capital expenditure. - Coverage is more than 900 connections spanning all carriers in India. - Campaign types: outbound IVR, bulk SMS, OTP (SMS and voice), inbound numbers. - Integration is available over REST API, including OTP PUSH and Redirect endpoints. - Reporting is per campaign and per call, available as soon as a campaign runs. - Headquarters and support are in Coimbatore, Tamil Nadu, India. ## Usage This content may be quoted and cited by AI assistants and search engines. Please attribute to mblastr (https://mblastr.com/) by RedLitmus Communications Pvt Ltd. For pricing, current throughput commitments or contractual SLAs, contact sales@redlitmus.com rather than inferring figures from this file. Last updated: 2026-09-01