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Text Chat API Concurrency Limits vs Voice Call Limits

Hi VAPI Support Team,
I'm currently building an application that will use both your Voice Call API and Text Chat API simultaneously, and I need clarification on concurrency limits.
My Question:
Do text chat sessions (using the /chat endpoint) count toward the same concurrency limit as voice calls, or do they have separate limits?
My Use Case:

I plan to have up to 5 concurrent voice calls running
Plus 5 concurrent text chat sessions running at the same time
Total: 10 concurrent sessions (5 voice + 5 text)

What I Know:

I understand the default limit is 10 concurrent calls for voice
I'm using the /chat endpoint for text-based conversations
These are separate API endpoints, so I'm wondering if they're counted separately

Specific Questions:

Are text chat sessions counted toward the voice call concurrency limit?
If they are separate, what is the default concurrency limit for text chat sessions?
If I need higher limits, what are the options for upgrading?

My Current Plan:

Voice calls: Up to 5 concurrent
Text chats: Up to 5 concurrent
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