Send an MMS with failover
In this example you will send an MMS that can fail over to sending an SMS.
In the Workflow object, message objects can be placed in any order to suit your use case. Each message object must contain a failover object, except for the last message, as there are no more message objects to failover to.
NOTE: MMS only supports US Short Codes.
Example
Ensure the following variables are set to your required values using any convenient method:
Key | Description |
---|---|
VONAGE_APPLICATION_ID |
The Vonage Application ID. |
FROM_NUMBER |
The phone number you are sending the MMS from. (US Short Code only) |
TO_NUMBER |
Replace with the number you are sending to. E.g. 447700900001
|
NOTE: Don't use a leading +
or 00
when entering a phone number, start with the country code, for example 447700900000.
Prerequisites
Write the code
Add the following to send-mms-with-failover.sh
:
curl -X POST https://api.nexmo.com/v0.1/dispatch \
-H 'Authorization: Bearer '$JWT\
-H 'Content-Type: application/json' \
-H 'Accept: application/json' \
-d $'{
"template":"failover",
"workflow": [
{
"from": { "type": "mms", "number": '$FROM_NUMBER' },
"to": { "type": "mms", "number": '$TO_NUMBER' },
"message": {
"content": {
"type": "img",
"image": { "url": "$IMG_URL" }
}
},
"failover":{
"expiry_time": 600,
"condition_status": "delivered"
}
},
{
"from": {"type": "sms", "number": '$FROM_NUMBER'},
"to": { "type": "sms", "number": '$TO_NUMBER'},
"message": {
"content": {
"type": "text",
"text": "This is an SMS sent via the Dispatch API"
}
}
}
]
}'
Run your code
Save this file to your machine and run it:
bash send-mms-with-failover.sh
Prerequisites
npm install @vonage/server-sdk@beta
Write the code
Add the following to send-failover-mms-sms.js
:
const Vonage = require("@vonage/server-sdk");
const vonage = new Vonage({
apiKey: VONAGE_API_KEY,
apiSecret: VONAGE_API_SECRET,
applicationId: VONAGE_APPLICATION_ID,
privateKey: VONAGE_APPLICATION_PRIVATE_KEY_PATH
});
vonage.dispatch.create(
"failover",
[
{
from: { type: "mms", number: FROM_NUMBER },
to: { type: "mms", number: TO_NUMBER },
message: {
content: {
type: "image",
image: { url: IMG_URL }
}
},
failover: {
expiry_time: 60,
condition_status: "read"
}
},
{
from: { type: "sms", number: FROM_NUMBER },
to: { type: "sms", number: TO_NUMBER },
message: {
content: {
type: "text",
text: "Dispatch API: Message 2"
}
}
}
],
(err, data) => {
if (err) {
console.error(err);
} else {
console.log(data.dispatch_uuid);
}
}
);
Run your code
Save this file to your machine and run it:
node send-failover-mms-sms.js
Try it out
When you run the code it will attempt to send an MMS. If this fails, for example because the recipient is on T-Mobile, then a message will be sent via SMS to the destination number.