D DigitalCallers

Blog · page 4

Field notes from
AI calling in India.

44 essays on AI voice calling — industry use cases, why competitors fail, how-to playbooks, engineering deep dives, and the future of telesales in India.

ENGINEERING Multi-trunk SIP failover: how wehandle 486 Busy and 429
Engineering

Multi-trunk SIP failover: how we handle 486 Busy and 429 Rate-limit.

Real calling networks are messy. Carriers rate-limit. Trunks return 486. Our infrastructure assumes failure.

ENGINEERING GREEN and RED lights: theend-call discipline that fixes
Engineering

GREEN and RED lights: the end-call discipline that fixes bad AI behaviour.

AI calling tools end calls on the wrong cues all the time. Here’s the discipline that fixes it.

ENGINEERING Talk-to-listen ratio: thesimplest call-quality metric we
Engineering

Talk-to-listen ratio: the simplest call-quality metric we have.

One float per call. It correlates with conversion better than any single dimension score.

ENGINEERING Stereo recording vs. mono: asmall choice with huge
Engineering

Stereo recording vs. mono: a small choice with huge downstream impact.

Stereo recording (lead on left, agent on right) sounds like a detail. It changes what your analyzer can do.

TRENDS & OPINION DPDPA and AI calling: what youactually need to do.
Trends & opinion

DPDPA and AI calling: what you actually need to do.

India’s Digital Personal Data Protection Act lands soon. AI calling has obligations. None of them are scary.

TRENDS & OPINION The future of telesales inIndia: a 5-year view.
Trends & opinion

The future of telesales in India: a 5-year view.

AI calling is not replacing the human telesales team. It’s changing what humans do.

TRENDS & OPINION AI calling vs. the Indian BPOindustry: who wins?
Trends & opinion

AI calling vs. the Indian BPO industry: who wins?

India built a $50B+ BPO industry on labour-cost arbitrage. AI calling is dismantling the foundation.

One post a week. No spam.

Get the next deep dive in your inbox — engineering walkthroughs, customer stories, and field reports from the front lines of Indian AI calling.