Head over to the Developers section (look for the little 👩‍💻 icon on the left). Click API Keys, and you’ll see your existing key/secret pair. You can copy them or even rotate them if you need a fresh set. Setting Up Your SIP Details Go to Voice API (the 📞 icon). Choose Endpoints, then click Create endpoint and pick SIP. From there you can fill in your SIP username, password, host, port, you name it.