accept_call.py

from flask import Flask
from twilio.twiml.voice_response import VoiceResponse
from twilio.twiml.messaging_response import MessagingResponse
from twilio.rest import Client
import os

to_number = os.environ.get('to_number')
from_number = os.environ.get('from_number')

account_sid = os.environ.get('account_sid')
auth_token = os.environ.get('auth_token')

client = Client(account_sid, auth_token)

app = Flask(__name__)

@app.route("/answer", methods=['GET', 'POST'])
def answer_call():
	message = client.messages \
				.create(
					body="Your food is here",
					from_= from_number,
					to= to_number
				)

	print(message.sid)

	resp = VoiceResponse()

	resp.say("Hi!", voice='male')
	resp.pause(length=1)
	resp.say("Please leave the food on the table, thanks!", voice='male')
	resp.pause(length=3)
	resp.say("Thanks, just leave the food on the table on the fourth floor!", voice='male')
	resp.pause(length=3)
	resp.say("Yes, just leave it on the table on the fourth floor, thanks!", voice='male')

	return str(resp)

@app.route("/")
def home_page():
	return 'Hello World!'

if __name__ == "__main__":
	app.run(debug=False)