How-to – Mac OS X – Configure Zoiper for SSL Connection

Subject

When a client requires encrypted calls.

Note: Not all instances of ClusterPBX support encrypted calls, please talk to your administrator or provider to know if you are on an eligible instance.

Note: Only calls to an extension within the same client are encrypted – outbound calls – even those made to other users of encrypted phones will not be encrypted.

Intended Audience

Admin, Reseller

Step-by-Step Guide

  1. In Zoiper go to Settings → Preferences

  2. Click the Advanced button then the Security tab and enter the following information
    • Extra CA certificats (PEM)

      The .pem file contains the security certificate, you will need to contact your ClusterPBX administrator to get a copy of it.

    • Set Protocol suite to TLSv1

  3. Go to the Accounts tab and click the Create account button
  4. Follow the steps of the Account Wizard
    • Account type: SIP
    • Enter the account’s softphone credentials

      Note: To find the credentials, log into ClusterPBX as the user and click the My Softphone entry in the menu.

    • Make sure Skip auto-detection is checked

  5. After the wizard you will be presented with the Accounts section
  6. Click the Advanced tab and set the following options
    • Use TLS transport
    • TLS with SDES SRTP
    • Don’t use STUN
    • In TLS client certificate select use certificate as Use default

  7. Click OK to save and register

Note: The certificate we provide will be valid for 10 years.