Unknown numbers eat your day. Some are new customers you must take, some are spam that wastes your time, and your basic dialer cannot tell the difference.
Caller ID & Spam Protection
RMDialer identifies callers, flags spam reported by other users, and lets you block the noise, so you only spend time on calls that matter.
- Caller ID for business
- Spam blocker
- Block list
- Your own spam threshold
- Unknown number lookup
Names on unknown numbers · Spam flagged by other users · Never miss a real customer
Your own SIM, own Android phone, no virtual number · Mobile app + Web CRM in one plan · No card for the trial
Which caller ID and spam blocker app is best for business?
Yes. RMDialer names an incoming number from your own leads, clients and contacts first, so a customer is identified even when they are not saved in the phonebook. An optional internet lookup handles genuinely unknown numbers, and spam callers can be reported and blocked. Checking your own records before any outside service is deliberate, because for a business the useful answer is almost never the name of a stranger pulled from a crowdsourced database: it is that this caller is the lead you quoted last Tuesday, at which point their status and last remark matter far more than the name does. The online lookup stays optional and switched off unless you turn it on, so no number leaves the phone unless you have chosen that. Blocking, unblocking and the spam threshold all sit in one place rather than scattered through settings.
- Names callers from your own CRM data first
- Optional online lookup for unknown numbers
- Report spam and set your own flag threshold
- Block and unblock numbers in one place
What businesses say about RMDialer
Real businesses, real numbers: how owners and sales teams across India and 12+ countries use RMDialer every day.
-
“Walk-in customers who "will come back Sunday" now get a reminder call on Saturday, and the sofa photos they liked go on WhatsApp from the app. Caller ID with the customer's name and last remark means my staff greet them properly. Simple business dialer, does the job.”
Kiran Gowda Owner · Furniture showroom Mysore -
“GST and ITR deadlines mean 200 client calls in a fortnight. The auto dialer runs the list, the remark goes on the client's number, and the ones who said "documents by Friday" ring the assistant on Friday. A follow up reminder app that lives inside the phone dialer is the only kind my staff will keep using.”
Sanjay Shah Partner · Chartered accountancy firm Ahmedabad -
“The WhatsApp CRM part sold me. Client chats, their call history and the site visit reminder sit on one record, so when a client rings after two months I know exactly where the kitchen quote stopped. Photos of samples go from the chat inside the dialer. Bengali interface for my junior designer.”
Anjali Sen Owner · Interior design studio Kolkata -
“I am a one-person business. RMDialer is the business dialer app on my own phone: every customer call becomes a record, the wedding date is the reminder, and the new collection goes out as a WhatsApp broadcast to my 600 customers from the call log. Paid clients tab shows who has paid and who has balance due.”
Pooja Rathore Owner · Boutique and bridal wear Jodhpur -
“Pickup calls, rate enquiries and account follow-ups from one phone. Missed calls during dispatch hours become call-backs instead of lost customers, and the monthly account customers get their reminder. Kannada interface. Call log backup to the account means a new phone starts where the old one stopped.”
Prakash Hegde Owner · Courier franchise Hubli -
“Most CRM tools here are built for a desk. Our brokers sell from their phones, so a telecalling CRM inside the dialer made sense. Leads from Facebook ads land in the app, the auto dialer calls them, and the tripping schedule rings each broker. Tagalog interface, own Globe SIM, no VoIP number for clients to distrust.”
Maria Santos Operations lead · Real estate brokerage Manila, Philippines
Reviews are collected from customers on WhatsApp and on this website. Share yours on WhatsApp
See it working, step by step
- 1
Turn on caller ID
Optional and under your control in Settings.
- 2
See who is calling
Unknown numbers get names. Spam gets flagged before you answer.
- 3
Block the noise
One tap to report or block. Your call log stays clean.
Caller ID & Spam Protection, in detail
Caller ID
Names for unknown numbers, with optional online lookup.
Spam screening
Calls flagged by the community are marked before you pick up.
Report and block
Mark numbers as spam, set your own report threshold, and manage a blocklist.
Your customers are never blocked
Leads and clients in your CRM always ring through with their full details.
One app. Every feature. One price.
Whether you are one person or one thousand, every RMDialer user gets the complete feature set. No tiers, no locked buttons, no "upgrade to unlock".
Works even better with
Questions, answered
Do I have to give up my current caller ID app?
No. Caller ID and spam screening in RMDialer are optional. You choose what to enable.
How is spam decided?
By user reports. You can even set your own threshold: how many independent reports it takes before a number is flagged for you.
Will my saved customers ever get blocked by mistake?
No. Your leads and clients always ring through with their full details. Only numbers you block, or community-flagged spam, get screened.
Does caller ID need internet?
The optional online lookup does. Basic identification of your own leads and contacts works from your data on the phone.
Can I undo a block or a spam mark?
Yes. The blocklist is fully manageable, and you can unmark a number as spam any time.
How do I see a customer's details when they call?
Use a dialer with caller ID from your own leads: when a number that exists in your leads rings, the call screen shows the name, lead status, last remark and next follow-up before you answer. Unknown numbers can be looked up online and, once saved, are recognised on every later call.
What is a business dialer app?
A business dialer app replaces the default phone app on an Android phone with one made for selling: caller ID from your own leads, the last remark on screen when a customer rings, two-tap status and follow-up after each call, automatic WhatsApp, and a call log that filters by lead status. It is a personal CRM for one owner and a team system when several people use it.
Why do customers not answer calls from virtual numbers?
Because caller ID apps and phone dialers increasingly flag pooled virtual and VoIP numbers as spam or business calls, and because the same virtual number is often used for many campaigns. A real mobile number from a local SIM looks like a person calling, which is why SIM-based dialers report higher connect rates in India.
Can I use two SIMs for business calling on one phone?
Yes. On a dual-SIM Android phone the dialer lets you choose which SIM makes each call, or set a default business SIM for all sessions. You can also decide which SIM's calls are backed up and reported, so personal calls on the other SIM stay out of the team account.
How do I stop forgetting sales follow-ups?
Set the follow-up at the moment you promise it, from the after-call screen, in one tap ("tomorrow", "Sunday 11 am"), and use an app that rings like an alarm at that time with the call-back button and the customer's history on it. A follow-up that lives in a diary or a spreadsheet depends on someone remembering to look; one that rings does not.
What is the best follow-up reminder app for sales calls?
The best one is the one inside the dialer you already call from, because the reminder is set at the end of the call and rings with the customer's record attached. Standalone reminder apps and calendar alerts work for one person but lose the link to the call and cannot report follow-ups per employee to a manager.
Do I need a CRM if I only have three or four staff?
A desktop CRM, probably not. A dialer that records calls and follow-ups automatically, yes, because a four-person team still loses enquiries to memory. The point of a mobile CRM at this size is not process, it is that nobody has to remember: the phone shows who the caller is and rings when the follow-up is due.
What is call management software?
Software that handles what happens around every business call: knowing who is calling, seeing their history before answering, saving the outcome after, queuing missed calls for a call-back, sending the follow-up message and reporting it all per employee. In a mobile business it runs inside the phone dialer rather than on a call-centre server.
How do I stop my business number being marked as spam?
Call from a real SIM rather than a pooled virtual number, keep daily volumes reasonable, do not call DND numbers with offers, save your business name in Truecaller and similar caller ID apps, and send a WhatsApp before or after the call so the customer recognises you. Numbers get flagged by patterns of unanswered cold calls, not by calling your own enquiries.
Business karte ho? Business Dialer chahiye.
Set it as your phone app in one tap. Everything works like before, and then it starts working FOR you.
₹159/user/month on yearly · every feature included · Prices are per user, exclusive of taxes.
Call recording supported · our team sets it up with you during training