If you wish that client can choose how many connections they want with Streaming line product, then you must add configurable option to product.
Step 1:
Navigate to SETUP->PRODUCTS/SERVICES->CONFIGURABLE OPTIONS
Step 2:
Choose Create new group
Input group name, can be anything like "Additional services or Extra connections".
Choose product that this option will apply (must be Streaming line product).
Save changes
Step 3:
Choose Add New Configurable Option
Option name must be same as in module configuration extra connections field name (default: Extra connections).
Option type: Quantity
Add Option : Connections
Save changes
Step 4:
Minimum required: 0
Maximum: As much you want to allow user to select.
Pricing: Choose as you wish.
Save changes.
Congratulations, you just added configurable option Extra connections for your product, now your clients can choose how many connections they want and pay extra.
