Switchvox - Is Switchvox Vulnerable to the OpenSSL exploit Linux Slapper Worm?

Is Switchvox vulnerable to the OpenSSL exploit Linux Slapper Worm?
According to the F-Secure website, the version of OpenSSL that fixed this is 0.9.6e or above:

Switchvox is running OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008, so v.5.7.1 and above is running that version of OpenSSL and you do not have to be concerned about this vulnerability.

Affected Version(s)

SMB 5.11;SMB 5.10;SMB 5.9;SMB 5.8;SMB 5.7.3;SMB 5.7.2;SMB 5.7.1