Subscribe to phone numbers (purchase tracking numbers)

Subscribe to one or more phone numbers (purchase tracking numbers).

Purchases numbers from Telnyx, charges immediately, and creates monthly usage entries.

Request body:

• phone_numbers: List of phone numbers to purchase (e.g., ["+351256259001", "+351256259002"])
• team_id: Team ID to assign the numbers to
• forward_to: Number to forward calls to
• idpointofsale: (Optional) PV ID for billing (defaults to team's PV)

Returns:

• subscribed: List of successfully purchased numbers
• failed: List of numbers that failed to purchase
• already_subscribed: List of numbers already owned