Caller ID Switcheroo

app.py

from flask import Flask
from flask import request

from twilio import twiml

# Declare and configure application
app = Flask(__name__)

# First step where we tell the user we are going to connect them to a phone number.
@app.route('/first_step', methods=['POST'])
def first_step():
    response = twiml.Response()
    response.say("Going to connect you to the next step.")
    response.redirect("/second_step")
    return str(response)


# Second step where we connect them to the phone number, switching the Caller Id
@app.route('/second_step', methods=['POST'])
def second_step():
    user_phone_number = request.form['To']
    response = twiml.Response()
    with response.dial(callerId="%s" % user_phone_number) as dial:
        dial.number("+13334445555")
    return str(response)