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Contact ID, Ademco High Speed, Ademco Express:
-dualtone handshake
-1400hz acknowledgement
-10 digits per second dtmf data

Acron, Scancom/Scantronic 4+3+3, FBI Superfast, DSC/SG 4+3:
-2300hz handshake
-2300hz acknowledgement
-10 digits per second dtmf data

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#!/usr/bin/env python3
import secrets
import sys

letters = [
    'abc',
    'def',
    'ghi',
    'jkl',
    'mno',

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Overview

Here's some docs on how I connected to OCTOI using a Raspberry Pi, an icE1usb, and my Cisco 2921 voice router.

Getting a config file

I contacted LaF0rge from #retronetworking on libera.chat. He asked me to email him at (redacted).

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#!/usr/bin/env python3
"""
Failover between T-1s for an Adit 600.

When called with no arguments, connect to Adit 600 mgmt
via Telnet, introspect the current status of both A T-1s,
and update connections to PRIMARY/SECONDARY T-1.

When called with "snmptrap" as argument, first update the
state internally based on the issued alarms, then blindly

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#!/usr/bin/env python
# downloads a list of BulkVS phone numbers and writes them out as a CSV to stdout
# developed on python3.11, but should work in any modern python3
# before running, install deps:
#   virtualenv venv
#   source ./venv/bin/activate
#   pip install --upgrade aiohttp aiohttp-client-cache
# supply env vars with your BULKVS_EMAIL and BULKVS_APIKEY
# delete "cache.sqlite" to clear the HTTP cache, otherwise it's indefinite
# this takes hours to run, downloads 500MB to 30GB, and makes 30k+ network requests to BulkVS

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#!/usr/bin/python2
import collections
import hashlib
import json
import logging
import os
import time

import websocket

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#!/usr/bin/env python3
# Uses flipper as an IR blaster to drive my Bionaire window fan into the desired state
# Also uses my Kasa plug to reset the fan into a known starting state
# deps:   pip install pyflipper

# the remote protocol does on-off keying (i.e. ASK) of an IR carrier
# the carrier is a 38 KHz square wave with a 33% duty cycle
# (the fan still seems to work with a 50% duty cycle as well)
# the signal has a base period time T that I have rounded to 400ms
# the following symbols are used:

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#!/usr/bin/python
# Get Duke Energy electricity usage information. Needs lxml and requests. Supply info in envvars
import os
import json
import re
import datetime

import requests
import lxml.etree

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#!/usr/bin/python3
# Only requirement: pip install pyusb
# Run as root
# Might need to detach from the kernel driver?
import sys
import json
import usb.core
import usb.util

def init(dev):

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#!/usr/bin/python3
import datetime
import hashlib
import itertools
import os
import socket
from pprint import pprint

import dateutil.parser
import lxml.etree