Voxtelesys SMS Integration

Before proceeding with the next steps, you need to purchase a DID on the Voxtelesys platform with SMS/MMS enabled.

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Create a Voxtelesys API Key

To enable SMS/MMS sending from the PBX, you must create a Voxtelesys API key.

Step 1: Generate the API Key

1. Sign in to the Voxtelesys Portal.

2. Navigate to API Keys > Keys.

3. Click Create Key.

4. Copy the generated API key and store it securely.

❗Important The API key is required later when configuring SMS/MMS in the PBX. Treat it as a sensitive credential. If the key is compromised, revoke it and create a new one immediately.

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Configure SMS with Voxtelesys Trunk in the PBX

Before configuring SMS in the PBX, ensure that a Voxtelesys SIP trunk has already been configured using one of the following guides:

• Configuring Voxtelesys Register Based Trunk

• Configuring Voxtelesys IP-Based Trunk

Once the SIP trunk is ready, you can proceed with the SMS/MMS configuration in the PBX.

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Sign in to the PBX Web Portal

You can access the tenant configuration using one of the following methods:

Option 1: Sign in as System Administrator

1. Sign in to the PBX Web Portal as a System Administrator.

2. Navigate to Tenants.

3. Select the desired tenant and click Manage to switch to that tenant’s administration context.

Option 2: Sign in as Tenant Administrator

• Sign in directly as a Tenant Administrator to manage the tenant.

❗Note For more information about tenant roles and permissions, refer to Tenant Management.

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Add an SMS Configuration in the PBX

To enable SMS/MMS using the Voxtelesys trunk, you must create an SMS configuration in the PBX.

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Step 1: Create the SMS Configuration

1. In the PBX Web Portal, navigate to SMS/MMS from the left-hand menu.

2. Click Add.

3. Select your configured Voxtelesys trunk.

4. Configure the following fields:

   • Sender ID

     • Optional.

     • Leave this field empty unless Voxtelesys has explicitly enabled and provided a Sender ID for your account.

   • API Key

     • Paste the Voxtelesys API Key you created earlier.

5. Click OK to save the configuration.

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Step 2: Copy the Webhook URL

1. After saving, you will be redirected to the SMS/MMS list page.

2. Obtain the Webhook URL using one of the following methods:

   • Select the SMS configuration and click Copy Webhook.

   • Or, double-click the SMS configuration to open its details page, then copy the Webhook URL from there.

❗Important The Webhook URL is required for Voxtelesys to deliver inbound SMS/MMS messages to the PBX. You will configure this URL on the Voxtelesys side in the next step.

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Configure SMS in Voxtelesys

After creating the SMS configuration in the PBX, you must configure Voxtelesys to deliver inbound SMS/MMS messages to the PBX.

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Step 1: Create a Messaging Application

1. Sign in to the Voxtelesys Portal.

2. Navigate to APIs > Messaging Applications.

3. Click Create Application.

4. Configure the application with the following values:

   • Profile Name: BGMconnects SMS

   • Trunk Group:

     • Select the same trunk group associated with the API key you created earlier.

   • HTTP Method: POST

   • Events: Inbound Messages (MOs)

   • MO Webhook:

     • Paste the PBX Webhook URL you copied in the previous steps.

   • Authentication: None

5. Click Save to create the messaging application.

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Step 2: Enable SMS on the DID Number

1. Navigate to Phone Numbers > Numbers.

2. Click the pencil (Edit) icon next to the DID number that will receive SMS messages.

3. In the pop-up window, configure the following settings:

   • SMS Enabled: ✔ Enable

   • Service Trunk: SMS | Fax2Email

   • Messaging Application: BGMconnects SMS

   • Campaign:

     • Select the appropriate campaign value based on your compliance requirements.

4. Click Confirm to save the changes.

Your Voxtelesys SMS integration with the PBX is now complete.

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Additional Notes and Best Practices

• Ensure the DID number (with SMS enabled) is assigned to the correct user or extension in the PBX.

• Inbound SMS routing in the PBX follows the same inbound rules logic as voice calls.

• Number Format Requirement:

  • The PBX supports SMS in E.164 format.

  • Ensure:

    • DID numbers in the PBX are configured in E.164 format.

    • The Voxtelesys Messaging Application uses E.164.

    • The Inbound Trunk on Voxtelesys is also configured for E.164.

❗Best Practice Using E.164 formatting consistently avoids delivery failures and ensures correct sender/recipient matching across SIP trunks and messaging platforms.

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Verify Configuration

You can now create Outbound and Inbound Rules in the PBX for sending and receiving SMS/MMS using the Voxtelesys trunk, exactly the same way you configure rules for voice calls.