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Installing, configuring and handling issues related to Twilio Extension Setup in ThingWorx

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Twilio extends the ThingWorx functionality to send SMS and voice messages in variety of languages. Starting from scratch I'll cover the steps required to setup the Twilio extension and the basic account registration (trial version) and setup at Twilio.com

Twilio allows registering with the trial account, which comes with $15 as initial account balance, something which is quite useful for testing the initial setup and testing of Twilio extension in conjunction to ThingWorx.

Prerequisite

1. Sign up, if not already done, with Twilio.com for free trail account

2. Configure the account to setup a verified phone number to receive text and voice messages, free trial account allows setting up 1 verified phone number that can receive text and voice messages

Note: See What's the difference between a verified phone number and a Twilio phone number?

3. Choose and configure a Twilio phone number capable of sending text and voice messages, free trial account allows setting up of 1 Twilio number which will be used in the Extension configuration in ThingWorx for sending the messages

4. Download Twilio Extension from ThingWorx Marketplace

Note that Twilio phone number should be enabled with the send SMS or send voice message capability, depending on what your use case is. Failing to do so will lead to error while testing the sendSMS or sendVOICE service (two default services provided with the Twilio Extension when imported in ThingWorx)

Signing up and setting up Twilio account

1. Sign up on Twilio.com with your details and emailID. When registering for the first time you'll be prompted for your personal phone number as part of the security requirement. Also with free trial account this will be the only phone number where you'll be able to send SMS or Voice message via Twilio Extension in ThingWorx

2. Next would be to setup the Twilio number with voice and text messaging, navigate to https://www.twilio.com/console/phone-numbers/getting-started

3. Do ensure that you setup the voice or text capabilities for the new Twilio number, failing to do so will lead to error in sending message via Twilio Extension in ThingWorx

4. Different Twilio Number have different capabilities, it's quite possible that you don't find the number with required capabilities i.e. Voice, SMS - in that scenario simply search for different number, one that has the capabilities you are looking for

5. With trial account only 1 Twilio number is avilable for setup

6. While setting up the Twilio number you will be required to provide a valid local address of your country

The cost of setting up the number and further sending the SMS will only be deducted from the $15 made available when you signed up for the first time.

Navigate to your account details on Twilio.com to make note of the following information which will be used when configuring the Twilio Extension in ThingWorx:

a. Account SID

b. Authentication ID

c. Your Verified Phone Number (will be used for receiving the messages)

d. Twilio Phone number created with required capabilities, e.g. that number is capable of sending text message

Here's how it shows up once you are successfully registered and logged on to the twilio.com/console

To check your Twilio Phone Number and the Verified Phone Number navigate to twilio.com/phone-numbers

As it can be seen in the above screenshot, the number I have bought from Twilio is capable of sending Voice and SMS. With this all's set  and ready to configure the Twilio Extension in ThingWorx, which is pretty straight forward.

Setup Twilio Extension in ThingWorx

1. Let's setup the extension by navigating to the ThingWorx Composer > Import/Export > Extensions > Import > browse to the location where you saved the Twilio Extension from ThingWorx Marketplace and click Import

2. Once imported successfully refresh the composer and navigate to Modeling > Things , to create a new Thing implementing the Twilio Template (imported with the extension) like so, in screenshot below Thing is named DemoTwilioThing

3. Navigate to the the Configuration section of that Thing, to provide the information we noted above from Twilio account

Note: this demo thing is setup to send the text SMS to my verified phone number only, therefore the CallerID in the configuration above is the Twilio number I created after signing up on Twilio with text message capability.

4. Save the created the Thing

5. Finally, we can test with the 1 of the 2 default services provided with the Twilio Template i.e. SendSMSMessage service

6. While testing the SendSMSMessage service use your verified phone number in To for receiving the message

Troubleshooting some setup related issues

I'll try to cover some of the generic errors that came up while doing this whole setup with Twilio Extension

Error making outgoing SMS: 404 / TwilioResponse 20404

Reason

If the Twilio number is not enabled with SMS sending capabilities you may run into such an error when testing the service. Here's the full error stack

Unable to Invoke Service SendSMSMessage on DemoTwilioThing : Error making outgoing SMS: 404 <?xml version='1.0' encoding='UTF-8'?><TwilioResponse><RestException><Code>20404</Code><Message>The requested resource /2010-04-01/Accounts/<AccountSID>/SMS/Messages was not found</Message><MoreInfo>https://www.twilio.com/docs/errors/20404</MoreInfo><Status>404</Status></RestException></TwilioResponse>

Resolution

Navigate back to the Phone Number section on Twilio's website and as highlight in screenshot above check if the Twilio number is enabled with SMS capabilities.

Error making outgoing SMS:400 / TwilioResponse 21608

Reason

You may encounter following error when attempting to send SMS/Voice message, here's the full error detail

Wrapped java.lang.Exception: Error making outgoing SMS: 400 <?xml version='1.0' encoding='UTF-8'?><TwilioResponse><RestException><Code>21608</Code><Message>The number <somePhoneNumber>is unverified. Trial accounts cannot send messages to unverified numbers; verify <somePhoneNumber>at twilio.com/user/account/phone-numbers/verified, or purchase a Twilio number to send messages to unverified numbers.</Message><MoreInfo>https://www.twilio.com/docs/errors/21608</MoreInfo><Status>400</Status></RestException></TwilioResponse> Cause: Error making outgoing SMS: 400 <?xml version='1.0' encoding='UTF-8'?><TwilioResponse><RestException><Code>21608</Code><Message>The number <somePhoneNUmber>is unverified. Trial accounts cannot send messages to unverified numbers; verify <somePhoneNumber> at twilio.com/user/account/phone-numbers/verified, or purchase a Twilio number to send messages to unverified numbers.</Message><MoreInfo>https://www.twilio.com/docs/errors/21608</MoreInfo><Status>400</Status></RestException></TwilioResponse>


Resolution

As the error points out clearly the number used in To section while testing the SendSMSMessage service didn't have verified number. With free trial account you can only use the registered verified phone number where SMS/Voice message can be sent. If you want to use different number an account upgrade is required.

Error making outgoing SMS:400 / TwilioResponse 21606

Reason

Following error is thrown while testing SendSMSMessage service with different Twilio number which is either not the same as the number you bought when setting up the trial account or it doesn have SMS sending capabiltiy. Here's the full error stack

Wrapped java.lang.Exception: Error making outgoing SMS: 400 <?xml version='1.0' encoding='UTF-8'?><TwilioResponse><RestException><Code>21606</Code><Message>The From phone number <TwilioNumber>is not a valid, SMS-capable inbound phone number or short code for your account.</Message><MoreInfo>https://www.twilio.com/docs/errors/21606</MoreInfo><Status>400</Status></RestException></TwilioResponse> Cause: Error making outgoing SMS: 400 <?xml version='1.0' encoding='UTF-8'?><TwilioResponse><RestException><Code>21606</Code><Message>The From phone number <TwilioNumber> is not a valid, SMS-capable inbound phone number or short code for your account.</Message><MoreInfo>https://www.twilio.com/docs/errors/21606</MoreInfo><Status>400</Status></RestException></TwilioResponse>

Resolution

Check the configuration in the ThingWorx Composer for the Thing created out of Twilio Template whether or not the callerID is configured with correct Twilio account number

Version history
Last update:
‎May 15, 2017 09:00 AM
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