[CentOS] Softphones for CentOS-6

I am presently configuring a test Asterisk 11 server based on CentOS-6
and I need to employ a softphone for testing.  The base repo has
ekiga.  The EPEL repo has twinkle.  I lack the knowledge of whether
other packages exist or might be better suited.  Which of the two do
you recommend?  Or, alternatively, what other package might be a
better choice?

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James B. Byrne                mailto:ByrneJB at Harte-Lyne.ca
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