hola.worldA SOCIAL NETWORK THROUGH PHONE CALLS
01 / A MORE CONNECTED WORLD

A phone call can change someone’s day.

♧ RELATIVES & CIRCLEAwaiting updates
HOLA.WORLD PHONE AGENT
♡ SOCIAL SUPPORTHere when needed
HOLA AGENT

A friendly call is on its way to Carmen.

01 · Call02 · Listen03 · Connect04 · Share & support
Choose a person to follow their call.
02 / THE IMPACT

Loneliness touches every generation—and impacts the economy.

03 / ACROSS EUROPE

A continent growing older.

Loneliness
Frequent loneliness · respondents aged 16+
04 / HOW IT WORKSONE CALL. A MORE CONNECTED LIFE.

A phone call connects you to a network of care.

A proactive agent that listens, remembers
and keeps people connected to their circle.

  1. 01

    Receive a weekly voice phone call from the agent

  2. 02

    Talk for five minutes about your week

  3. 03A glowing voice signal representing the agent sharing news

    Hear the latest from your network

    “José is making paella next week.”
  4. 04A personal circle connected through a central voice agent

    The agent automatically updates your network

  5. 05

    The agent decides when to alert your chosen contacts

05 / TECHNICAL ARCHITECTURE

Inside hola.

Telephone

Incoming & outgoing calls

Orange SIP Python proxy LiveKit SIP
Carrier registration & authentication · SIP 1.14.0

LiveKit

Rooms & real-time audio

Self-hosted Server 1.13.6

Python agent

Profile + shared prompt

Python 3.12 · LiveKit Agents 1.8.1

Context API + SQLite

People, profiles, prompts & calls

FastAPI · Uvicorn · Pydantic

OpenAI

GPT-Live-1

marin voice · GPTLiveModel

Local infrastructure

Docker Compose · Redis 7.4 · persistent volumes

7 services + one-time SIP setup. External: OpenAI & Orange. No LiveKit Cloud required.

Recordings & access

Local audio + JSON / JSONL transcripts

Linked to each person and call. Scoped API bearer tokens + temporary browser room tokens.

Prototype today

Personalized conversations & stored call history

Planned: transcript memory, automatic profile updates, family news sharing, wellbeing escalation & individual login.
06 / WHAT’S NEXT

More stories, more ways to care.

Mental health & dementia signs

Flag possible changes for professional review.

The agent decides when to call

Something important? A call tomorrow. All well? Within two weeks.

Autobiography feed

Your life stories, saved through conversation.

Monthly life snapshots

Your monthly recap, shared on X with approval.

B2G2C

Government programmes that connect residents.

B2C

For families caring for parents and relatives.

Future concepts · Health features require clinical validation.
07 / THE DEMO

A voice for lonely moments.

An older adult on the left talks by phone, with his son shown as his trusted contact on the right.
Older adultRelative
08 / A STORY

A conversation becomes connection and care.

Six-panel story: Eduardo tells the phone agent he is cooking paella tomorrow. Another man mentions a broken air conditioner during hot weather. The agent remembers this, suggests contacting Eduardo, and alerts municipal social services about the heat and broken air conditioner.