twilio App 到 App 调用不起作用

twilio App to App calling is not working

我在 Python 的 eroku 上安装了 TwiMl。 当我从用户 B 呼叫用户 A 时,用户 A 也没有接到电话和 VOIP,而用户 B 收到像 "thanks for calling".

这样的机器人消息

当我尝试从 PostMan 向用户 B placeCall 时,用户 B 接到电话并且还收到了像 "thanks for calling".

这样的机器人消息

邮递员 URL : https://myapp.herokuapp.com/placeCall

我的要求是,当我从应用程序中呼叫用户 A 时,用户 B 会接到呼叫并且两者都能够通信。

要求

Flask==0.10.1
Jinja2==2.7.3
MarkupSafe==0.23
Werkzeug==0.9.6
httplib2==0.9
itsdangerous==0.24
six==1.*
twilio
wsgiref==0.1.2

这是我的 Python TwiMl 代码。

import os
from flask import Flask, request
from twilio.jwt.access_token import AccessToken
from twilio.jwt.access_token.grants import VoiceGrant
from twilio.rest import Client
import twilio.twiml

ACCOUNT_SID = 'ACxxxxxxxx'
API_KEY = 'SKxxxxxxxx'
API_KEY_SECRET = 'TSxxxxxxxx'
PUSH_CREDENTIAL_SID = 'CRxxxxxxxx'
APP_SID = 'APxxxxxxxx'


app = Flask(__name__)

@app.route('/test', methods=['GET', 'POST'])
def test():

    req_json = request.get_json(force=True)
    UserName = req_json['username']
    Password = req_json['password']
    return str(UserName)

@app.route('/accessToken')
def token():

    IDENTITY = request.args.get('identity')
    account_sid = os.environ.get("ACCOUNT_SID", ACCOUNT_SID)
    api_key = os.environ.get("API_KEY", API_KEY)
    api_key_secret = os.environ.get("API_KEY_SECRET", API_KEY_SECRET)
    push_credential_sid = os.environ.get("PUSH_CREDENTIAL_SID", PUSH_CREDENTIAL_SID)
    app_sid = os.environ.get("APP_SID", APP_SID)

    grant = VoiceGrant(push_credential_sid=push_credential_sid,outgoing_application_sid=app_sid)

    token = AccessToken(account_sid, api_key, api_key_secret, IDENTITY)
    token.add_grant(grant)

    return str(token)

@app.route('/outgoing', methods=['GET', 'POST'])
def outgoing():

    req_json = request.get_json(force=True)
    CALLER_ID = req_json['callerid']
    resp = twilio.twiml.VoiceResponse()
    dial = Dial()
    dial.client(CALLER_ID)
    resp.append(dial)
    #resp.say("Congratulations! You have made your first oubound call! Good bye.")
    #resp.say("Thanks for Calling.",voice='woman',)
    return str(resp)

@app.route('/incoming', methods=['GET', 'POST'])
def incoming():
    resp = twilio.twiml.VoiceResponse()
    #resp.say("Congratulations! You have received your first inbound call! Good bye.")
    #resp.say("Thanks for Calling.",voice='woman',)
    return str(resp)

@app.route('/placeCall', methods=['GET', 'POST'])
def placeCall():

    req_json = request.get_json(force=True)
    IDENTITY = req_json['identity']
    CALLER_ID = req_json['callerid']
    account_sid = os.environ.get("ACCOUNT_SID", ACCOUNT_SID)
    api_key = os.environ.get("API_KEY", API_KEY)
    api_key_secret = os.environ.get("API_KEY_SECRET", API_KEY_SECRET)
    client = Client(api_key, api_key_secret, account_sid)
    call = client.calls.create(url=request.url_root + 'incoming', to='client:' + CALLER_ID, from_='client:' + IDENTITY)
    return str(call.sid)

@app.route('/', methods=['GET', 'POST'])
def welcome():
    resp = twilio.twiml.VoiceResponse()
    resp.say("Welcome")
    return str(resp)

if __name__ == "__main__":
    port = int(os.environ.get("PORT", 5000))
    app.run(host='0.0.0.0', port=port, debug=True)

错误日志

twilio 仪表板上的 TwiML 设置

请求URL:https://myapp.herokuapp.com/outgoing

请告诉我是否有任何我遗漏的配置或我做错了什么。

我遵循的配置 TwiML 的教程是 Here

placeCall return 语句

中尝试此代码
return str(
        '<?xml version="1.0" encoding="UTF-8"?><Response><Dial><Client>' + IDENTITY + '</Client></Dial></Response>')

此处为 Twilio 开发人员布道师。

我不确定您是在构建 iOS 还是 Android 应用程序,但想法是一样的。当您拨打电话时,就像此处来自 iOS quickstart in Swift 的示例一样,使用如下代码:

TwilioVoice.sharedInstance().call(accessToken, params: [:], delegate: self)

您应该在该调用中发送一些参数,例如您正在调用的客户端身份。例如

TwilioVoice.sharedInstance().call(accessToken, params: ["To": "ClientIdentity"], delegate: self)

然后,Twilio 将调用您在 TwiML 应用程序中设置的 URL。在快速入门中,url 应该是 /outgoing,在快速入门应用程序中,您会得到一个示例语音消息。要调用另一个应用程序,您需要 return 来自 /outgoing 的不同响应。在这种情况下,您需要使用 <Dial> with a nested <Client> 使用调用时传递的 To 参数。

在 Python/Flask 中看起来像:

@app.route('/outgoing', methods=['GET', 'POST'])
def outgoing():
    resp = twilio.twiml.Response()
    dial = Dial()
    dial.client(request.form['To'])
    response.append(dial)
    return str(resp)

我注意到在问题的评论中,您将 TwiML App URL 更改为 /placeCall。确保将其更改回 /outgoing.

如果这有帮助,请告诉我。