Notify callers

from plivo import plivoxml

response = plivoxml.ResponseElement()
response.add(plivoxml.PreAnswerElement().add(
    plivoxml.SpeakElement('This call will cost you $2 a minute.')))
response.add(plivoxml.SpeakElement('Hey, thanks for dropping by.'))
print(response.to_string())

from flask import Flask, Response, request
import plivoxml

app=Flask(__name__)

@app.route('/pre_answer/', methods=['GET','POST'])
def pre_answer():
	response = plivoxml.Response()
	preAnswer = response.addPreAnswer()
	preAnswer.addSpeak("This call will cost you $2 a minute.")
	response.addSpeak("Hey, thanks for dropping by.")
	return Response(str(response), mimetype='text/xml')



if __name__ == "__main__":
	app.run(host='0.0.0.0', debug=True)

# Sample Conference XML
# <Response>
#	<PreAnswer>
#		<Speak>This call will cost you $2 a minute.</Speak>
#	</PreAnswer>
#	<Speak>Hey, thanks for dropping by.</Speak>
# </Response>