Setting up X-Lite with STUN / REGISTRATION / RPORT to talk with Border elements

Instructions to get X-Lite working through NAT without firewall modifications on the Voice Elements Platform:

1. Download and Install X-Lite 4 from Counterpath here.
2. Under Softphone / Account Settings, set the following:
   1. Account tab:
      1. Account name: Your name
      2. Allow this call for: Call (Uncheck IM/Presence)
      3. User ID: PhoneNumber (i.e. 3472465437)
      4. Domain: 74.124.6.75:5050
      5. Password: password
      6. Display Name: your name
      7. Authorization name: phone number (3472465437)
      8. Register with domain and receive calls: check
      9. Send outbound via: Domain
   2. Topology tab
      1. Firewall traversal method: Discover public IP address (Stun)
      2. Server address: stun.counterpath.net
      3. User name / password: leave blank
   3. Transport Tab:
      1. Signaling transport: UDP
   4. Advanced Tab:
      1. Send SIP keep-alives: checked
      2. Use rport: checked
      3. Send outgoing request directly to target: Not checked