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Linphone is available at and version 3.6.1 was tested by Justin LaSelva on 2013-07-10.

It is a free, open-source SIP client that requires the presence of Oracle's Java runtime to operate.

Deployment & Installation

This soft client requires some initial configuration but does not require logging in after its initial setup.

  1. Download and decompress the ZIP file.
  2. Drag the Linphone application icon to the Applications folder.
  3. Launch the Linphone application.
  4. From the Options menu, choose Preferences > Manage SIP Accounts.
  5. Click the + button and choose New SIP Account.
  6. In the General tab, in the User Details section, enter the following:
    • Account Name: UT Voice
    • User ID: Your User ID
    • Domain:
    • Password: Your Password
    • Display Name: Your Name
  7. In the General tab, in the Domain Proxy section:
    • Click the Proxy radio button.
    • Enter in the Address field.
  8. Click OK.

Maintenance & Support

This soft client has a built-in update mechanism that allows the user to update the client when a new version is available. It will download the new version inside a disk image, placed on the Desktop, and requires the user to copy the updated application into the Applications folder, replacing the older version.

There is no built-in documentation. The Help menu directs users to

The program includes a diagnostic utility, found in the Help menu, which analyzes audio and video quality, and allows for device (i.e., headset/speaker/microphone) diagnostics.

Integration Consideration (ex. Outlook)

It appears that this soft client will only integrate with OS X's built-in Contacts application, and not with Microsoft Outlook.

However, the program has LDAP functionality and can be used to query the UT Directory directly:

  1. From the Bria 3 menu, choose Preferences > Directory.
  2. Choose LDAP from the Directory Type drop-down menu.
  3. In the Server Settings tab, enter the following:
    • Server:
    • Authentication Method: Anonymous
    • User Name (dn=): dc=directory,dc=utexas,dc=edu
  4. In the Search Options tab, click the Search on Demand radio button, then enter the following:
    • Search Timeout: 60
    • Max Results: 250
  5. In the Attribute Mapping tab, replace the text in the Work number field with the string telephoneNumber.

To allow the soft client to query OS X's built-in Contacts application:

  1. From the Bria 3 menu, choose Preferences > Accounts.
  2. Check the box to enable the MAC Address Book.

The built-in contacts will now appear in the Mac Address Book category in the Contacts tab.

Issues & Resolutions

  • While you can query the UT Directory via LDAP, the UT Directory lists all on-campus numbers with the prefix +1 512, so you can't automatically place an on-campus call from the results of your query, as the telephone system gets confused by the +1 and expects that a campus extension (ext. 1512X) is being dialed.
  • Caller ID does not appear to acknowledge the user-configurable Display Name field found in Preferences > Accounts.
  • Add to Contacts from the Directory contextual menu does not appear to work; it creates a Directory Contacts group in the Contacts tab, but does not populate it with the user you chose to add.
  • Dialing #71 to reach voicemail does not work; the system refuses to connect the call: "We're sorry, your call cannot be completed as dialed."
    package breaks when moved out of its original location
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