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SIM based call management
SIM based call management system for teams calling from their own phones
NLCaller is a SIM based call management system: calls leave from your team's own mobile numbers, and the app adds leads, follow-ups and reports.
10:425G ▮▮▮
Call log
AllMissedPaid clientsLost leadsSpam
- Priya S.Lead · Interested10:41
- Gupta TradersPaid client · renews in 5 days10:12
- Rakesh M.Lead · Follow-up today9:58
- +91 80••• ••451Reported as spam by other users9:40
- Neha K.Lead · Quote sent9:21
- Arjun P.New lead · JustDial9:05
Missed call · Gupta TradersCall backWhatsApp
What is a SIM-based call management system?
A SIM-based call management system places and receives business calls through the ordinary SIM cards in your staff's mobile phones, then wraps each call with CRM work: who the caller is, what was promised, and when to ring next. NLCaller works this way on Android, replacing the phone's dialer so that leads, remarks, reminders and WhatsApp messages attach to calls made on your existing numbers. Nothing is routed through a rented virtual number or a cloud exchange, and NLCaller adds no per-minute charge; the talk time is whatever your mobile tariff already includes. Customers see the same mobile number the salesperson has always used. The cost is a flat subscription: ₹1,944 for each user for twelve months, GST on top, as of October 2026, with a free-forever Basic Dialer for anyone who mainly needs calling, after-call WhatsApp and on-phone analytics.
The rest of this page is about the trade: what staying on SIM gives you, and what a cloud system would give you that NLCaller does not.
How does SIM-based calling differ from a cloud based call management system?
Cloud systems vary by vendor, so the right-hand column describes the usual setup, not any one product.
| Point | SIM-based (NLCaller) | Cloud calling (typical) |
|---|---|---|
| Number the customer sees | The staff member's own mobile number | A rented virtual or landline number |
| Call charges | Your existing mobile plan; no per-minute fee from NLCaller | Usually billed per minute or per channel on top of the software |
| What a caller needs | An Android phone or iPhone with a SIM | A softphone, desk phone or app linked to the provider |
| Inbound routing | Calls ring the phone they were made to | IVR menus and queues can share calls across agents |
| Call recordings | Imports the phone's own recordings when the phone makes them | Recorded centrally by the provider |
| Setup time | Install the app and set it as the dialer | Number allocation, routing rules and provider onboarding |
What does NLCaller add on top of the SIM?
| Feature | What it does | Best for |
|---|---|---|
| Caller naming from your data | Shows the name from your leads, clients and contacts before any online lookup | Recognising a returning buyer on the first ring |
| After-call sheet | Two taps record where the lead now stands, a short note and when to ring back | Keeping the pipeline current without a laptop |
| Team call logs | Rolls each employee's SIM calls up to the owner's account | Owners who manage from the web dashboard |
| CRM team mode | Opens the after-call sheet while the phone's own dialer stays in charge | Staff who would rather keep their usual dialer |
| Dial from computer | A number clicked in Chrome rings out on the phone, with the SIM you chose | Callers working from a spreadsheet on a PC |
| Excluded numbers | Keeps chosen numbers out of backup and every automation | Family or private contacts on a work phone |
What do you give up by keeping calls on SIM?
Being honest about the trade helps you pick the right setup the first time.
- No shared business line. Each call is tied to the handset that made it, so there is no single number that rings across a group.
- No IVR, call queue or predictive dialling. If inbound volume needs a menu or hold line, or a large floor wants predictive rather than power dialling, that is a cloud telephony job.
- Recordings depend on the phone. NLCaller brings in the recordings the handset already makes; it does not record calls itself.
- Your mobile plan carries the minutes. For heavy calling, check that each SIM's plan suits the volume.
Who is SIM-based call management a good fit for?
Teams whose customers already know their salespeople's mobile numbers: property brokers, coaching institutes, insurance agents, distributors and clinics. For them, a familiar number on the screen matters, and a phone in the pocket is already the office. A telecalling app built on that SIM keeps the call and the CRM record together.
If several people share one phone, or one person keeps a work SIM next to a personal one, see how a dual SIM dialer for business keeps the two apart. For the overall picture of NLCaller, start at the home page.
Why these teams chose SIM calling over virtual numbers
“Our buyers save our salesmen's mobile numbers. A new virtual number would have meant starting that trust from zero.”
Proprietor, building materials distributor, Rajkot
“We already pay for unlimited calling on every SIM. Paying for minutes again through another system made no sense to us.”
Operations head, coaching centre, Indore
“I see everyone's calls on the web dashboard, and nobody had to change their phone or their number.”
Founder, insurance advisory, Guwahati
Pricing
How much does NLCaller cost?
NLCaller costs ₹162 per user per month on yearly billing or ₹254 on the 3-month plan, plus GST. The Basic Dialer is free forever.
3 months
₹254per user per month + GST
Billed ₹762 per user every 3 months · $13 outside India
- Every feature in the app
- Leads, auto dialer, reminders and WhatsApp CRM
- Team features, attendance and web dashboard
36% less per month
Yearly
₹162per user per month + GST
Billed ₹1,944 per user per year · $25 outside India
- Every feature in the app
- Leads, auto dialer, reminders and WhatsApp CRM
- Team features, attendance and web dashboard
Prices per user. GST added for India. Outside India, prices are in US dollars per user per billing period. The free trial opens every paid feature for 3 days. Prices checked 3 October 2026.
When does a cloud call system suit you better?
SIM calling is not right for every operation. Choose a cloud system if:
- You need virtual numbers, a toll-free line or one public number that rings several agents.
- Inbound calls must pass through an IVR menu or wait in a queue.
- Agents call from desktop softphones with no mobile phone involved.
Questions people ask
What is a SIM-based call?
A SIM-based call is an ordinary mobile call made through the SIM card in the phone, using the operator's network and the caller's own number, rather than through an internet calling service or a virtual number.
What is a call management system?
A call management system organises a business's calls: who called, the outcome, the next step and the reports. A SIM-based one does this for calls made on staff mobiles; a cloud one also handles the phone lines themselves.
What is the best SIM based call management system for a small sales team?
Teams of a few salespeople on Android handsets are best served by NLCaller. It works on the SIMs you already pay for, adds lead records and follow-up alarms to every call and shows the owner each employee's calls.
What is NLCaller?
NLCaller is a SIM-based call management app and telecalling CRM. It replaces the phone's dialer, adds an auto dialer, reminders and WhatsApp automation, and gives owners a web dashboard.
Does a SIM based call management CRM charge for call minutes?
NLCaller does not. You pay the subscription, and the calls themselves use your SIM's existing plan with your operator.
Can staff keep using their own dialer?
Yes. CRM team mode lets NLCaller work beside the phone's built-in dialer and open the after-call sheet once each call ends.
Related pages
How this page was made: drafted with AI assistance from NLCaller's documented features, Google search research and dated public sources.
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