35 articles about telephony. Discover expert insights, tutorials, and guides.
What a business phone number app should do for a small Indian team: call from a business number in the browser or through your own mobile, ring your mobile on incoming calls, keep one call history. Costs and setup steps.
How to call customers from your personal mobile while showing a business number as caller ID in India, using Edesy Phone's call via my phone: setup, step by step, costs, limits and when to use browser calling instead.
Softphone vs desk phone vs second SIM for small offices in India: compare cost, who owns the number, call history, recordings, incoming calls and setup, and pick the right business phone for a team of 2 to 20.
Make business calls from your laptop in India with a virtual number as caller ID: what you need (KYC, a number, a headset), the five steps, what it costs, and when a browser phone is the wrong tool.
Why sales reps calling from personal mobile numbers costs Indian businesses customers, and a practical switch to shared business numbers with browser calling, recording and caller ID control.
What answering machine detection does in a voice broadcast campaign, how human vs machine vs unknown verdicts work, what it costs, when to turn it on, and how to use the results to plan retries.
What 'press a key to accept' call screening does on forwarded calls, why it stops personal voicemail from stealing calls, how it works with ring-all and one-by-one forwarding, and when to turn it off.
What a fallback (backup) caller ID is in a voice broadcast, how automatic carrier failover switches calls to it, how it differs from caller-ID rotation, and how to set one up.
Connect FreePBX 17 (PJSIP) to an Indian SIP trunk: trunk fields, E.164 dial patterns for Indian numbers, inbound routes, NAT settings, codecs, and a troubleshooting table.
Work out how many SIP trunk channels you need from busy-hour calls and call length, with an Erlang B table, rules of thumb for offices, AI agents and IVRs, and bandwidth per call.
Simultaneous (ring all) vs sequential (one by one) call forwarding: how each works, ring times, call screening, which suits sales, support and small teams, and how to set it up on a virtual number in India.
SIP trunk vs PRI line for Indian businesses: how each works, channel limits, hardware, cost model, and a step-by-step plan to move a PBX from PRI to SIP without downtime.
What sticky agent routing is, how it reconnects a repeat caller to the last person who answered, how to choose the sticky window, and how to set it up on a forwarded business number in India.
Using missed calls for employee and field-staff attendance: registered mobile as identity, one number per site or shift, CSV export for payroll, cost, and honest limits such as no GPS proof.
Missed call service pricing in India 2026: per-lead vs unlimited plans, number rental, GST, setup fee and KYC, with worked monthly bills at 1,000, 10,000 and 1,00,000 missed calls.
Missed call verification vs OTP: how a caller-ID check via webhook confirms mobile ownership, where it is weaker than an OTP, and which to use for sign-ups, logins, payments and field checks.
Missed call number vs toll-free number vs SMS short code in India: who pays, what data you capture, setup effort, literacy needs and cost, with a decision table for each campaign type.
What is a missed call service? A number that rejects calls with a busy tone, so callers pay nothing, and captures each caller's number and time. How it works in India, costs and uses.
How to get a business phone number in India without a SIM card. What a virtual business number includes, what it costs (from Rs 349/month), and when a second SIM is genuinely enough.
Free virtual numbers in India: what the free tiers actually give you, the four kinds of free number and their catches, and when paying Rs 349/month is the cheaper decision.
How many virtual phone numbers a business actually needs in India: why per-number billing means one is usually right, the four cases that justify a second, and the overspend patterns to avoid.
How to buy a virtual phone number online in India: choosing the city code, how many numbers to buy, what KYC requires, and the five checks to run before you pay.
How to get an Indian virtual phone number from abroad: what KYC under Indian telecom rules requires, the three routes that work for NRIs and overseas companies, and what it costs.
Call recording and DND compliance for business virtual numbers in India: why inbound calls are not DND-regulated, what TRAI rules cover, recording announcements, and DPDP obligations.
Indian STD city codes for virtual business numbers: which code to choose, how local presence affects answer rates, and when to buy a number in a second city.
How to route one virtual number to a whole team: simultaneous vs sequential ringing, business-hours rules, no-answer fallbacks, and how to stop calls dying on one person's phone.
Virtual number vs cloud PBX vs IVR vs contact centre in India: what each layer adds, what it costs, and how to tell which one your call volume actually justifies.
Virtual number vs toll-free vs second SIM vs landline vs missed-call service in India: cost structure, who pays per minute, and which one fits a business of your size.
What a virtual office phone number is in India, how it differs from a virtual office address, what it costs from Rs 349/month, and why a phone number alone does not satisfy registration requirements.
Using a virtual phone number for WhatsApp Business in India: how verification works, whether one number can carry both phone calls and the WhatsApp API, and when a two-number setup is still the better choice.
What a cheap virtual phone number costs in India in 2026 - from Rs 349/month - plus the add-on charges that turn a low headline price into a higher bill.
How to get a virtual phone number in India: what it costs (from Rs 349/month), how setup works, and how a virtual number differs from a second SIM or a toll-free line.
A developer guide to session-based number masking: bind two numbers to one virtual number with a single API call, route calls dynamically from your own server, and receive lifecycle events. Code samples included.
Number masking (call masking) connects two people on a phone call without revealing their real numbers. Learn how it works, use cases, India pricing, and how to add it via API.
Twilio vs Exotel for India 2026: side-by-side pricing comparison, voice quality benchmarks, TRAI/DPDP compliance, support quality. ROI math + migration guide.