If you're having issues placing calls with Truly, it could be an issue with your network. Ensure the following ports and IP addresses are whitelisted on your network:
STUN IP Addresses and Ranges
Truly uses Google’s standard STUN servers and ports to obtain public IP addresses:
Service | Port | URI |
STUN Server (Main LB) | 19302 | stun.l.google.com |
STUN Server | 19302 | stun1.l.google.com |
STUN Server | 19302 | stun2.l.google.com |
STUN Server | 19302 | stun3.l.google.com |
STUN Server | 19302 | stun4.l.google.com |
Port Ranges
The following protocols and their respective ports should also be whitelisted:
Protocol | Port | Note |
HTTPS | 443 |
|
STUN/TURN | 3478 |
|
SIP | 5060-5061 | TCP & UDP |
UDP/RTP | 10000-20000 |
|
IP Addresses
The IP address blocks for your region should be whitelisted:
Region | IP Address Block |
us-east-1 | 35.172.155.128/26 |
eu-central-1 | 18.196.161.224/27 |