// outbound infrastructure for call centres

Three things.
All of outbound.

A press-1 dialer, an AI call centre and worldwide SIP routes — built and run by people who run dialers. 3CX setup included.

1 Press 1 — talk to us on Telegram

This page works like our dialer: press 1, get bridged to a human.

DTMF — go ahead, press one
keyboard works too
/press-1

Press-1 dialer

Dial the list, play the message, bridge everyone who presses 1 to your agents. AMD, retries, call windows, DNC, live stats.

see the engine → /ai-dialer

AI call centre

Real-time AI voice agents in 30+ languages — they talk, collect data, and transfer to humans mid-call. 1000+ voices.

see the agents → /sip-rates

SIP routes, worldwide

Termination with the full rate deck published — from $0.005/min. We set up 3CX so your floor just logs in.

see the rates →
54
routes on the deck
$0.005
per minute, from
30+
AI agent languages
1000+
TTS voices
/press-1

A press-1 engine you don't have to babysit.

Kamailio at the edge, Asterisk underneath, Postgres and Redis behind it. You upload a list, attach a script, set a window — it dials.

calling-engine

  • Press-1 campaigns — dial, play, bridge on 1
  • Multi-step scripts — branch on any DTMF digit
  • Concurrency caps per campaign
  • Call windows — time-of-day, weekday mask, per timezone
  • Retries — max loops + loop delay

voicemail-and-timeouts

  • Tunable AMD — silence, greeting, analysis windows
  • Hangup on voicemail — stop paying for machines
  • Ring / call timeouts per campaign

contacts-and-dnc

  • CSV import — async jobs, column mapping
  • Lists, custom fields, tags
  • DNC — global and custom scopes

routing-and-trunks

  • SIP trunks — carrier + IP-peer (3CX/PBX), live PJSIP reload
  • Agent pools — PSTN / SIP user / SIP URI, round-robin
  • Forward trunks — transfer leg via your PBX
  • Caller ID rotation + PAI pass-through, SDES-SRTP

audio-and-tts

  • Audio upload — auto-transcoded for telephony
  • Per-contact TTS (ElevenLabs) — {name}, {company}, any CSV column
  • Auto-SMS on press-1 and agent answer, templates + sender IDs
  • Telegram notifications per campaign event

recording-and-stats

  • Call recordings — from answer, per attempt
  • Funnel metrics — dialed → answered → pressed → bridged
  • Live per-campaign counters over SSE
  • Multi-account — isolated data, per-account gating, hardened auth
/ai-dialer

AI agents that talk, listen, and hand off to humans.

Real-time voice with your choice of STT, TTS, LLM and VAD. Scripted like a person, logged like a machine.

voice-agent

  • Real-time conversation — configurable STT / TTS / LLM / VAD mix
  • Custom scripts — prompt, first message, 30+ languages
  • Data collection during the call, contact context injected
  • DTMF integration + ready-made prompt templates

mid-call-tools

  • Transfer to human mid-conversation
  • SMS, email, webhooks fired from inside the call
  • Python sandbox for custom logic
  • Live feedback + hangup control

voices

  • 1000+ voices + shared library
  • TTS tuning — stability, speed, model
  • Favorites for the ones that convert

campaigns

  • Single + batch outbound, CSV import with mapping
  • Concurrency limits + caller ID rotation
  • AMD auto-hangup, retries, force hangup
  • Live progress and per-campaign stats

dashboard

  • Live call panel with bulk actions
  • Volume + success charts
  • Full history — search, filters, CSV export
  • Transcripts, summaries, collected data, notes, pins

telegram-bot

  • Full management — scripts, tools, agents, calls, settings
  • Real-time notifications to your groups
/sip-rates

Termination rates. The whole deck, no "contact sales".

Worldwide SIP routes. Multiple routes per destination where we have them — pick by price or quality. Billing shown in seconds per increment.

Destination Prefix Route Rate / min Billing

Need a destination that isn't listed? Ask on Telegram — the full deck is bigger than this page.

/3cx

We set up 3CX so your agents just log in.

  • Full 3CX install — licensed, provisioned, reachable
  • IP-peer trunk to our stack — bridged callers land on your agents
  • Forward trunks — transfer leg through your PBX, callee leg through the carrier
  • SRTP where you want the media encrypted
  • Extensions, queues, ring groups mapped to your floor
campaign dials callee │ ▼ [ carrier trunk ] ──── callee leg │ presses 1 │ ▼ [ your 3CX ] ◄──── forward trunk │ ▼ agent answers · call recorded
// no demos scheduled three weeks out. just message us.

Tell us what you're dialing.
We'll tell you what it costs.

Campaign volume, destinations, agents on the floor — send it over and we'll spec the stack.

1 Press 1 — t.me/brothersproject