Contact Now: Zoiper - Registration Failed Due to STUN Server

Symptom

Unable to make outbound calls due to the "Registration failed due to STUN server (DNS resolving or connection) code: 59" error in Zoiper.

Applies To

• ContactNow

Resolution

The following changes should be made:

1. Click Settings>Accounts>Account name
2. Navigate to the Advanced tab on the top right hand corner
3. Scroll down to the Network related section
4. Locate the "Use STUN" option and select "Don't use STUN"