Freeswitch does not support this, see http://jira.freeswitch.org/browse/FS-2731

Travis

On Wed, Feb 8, 2012 at 11:26 AM, DJB International <djbinter@gmail.com> wrote:
Does anyone ever experience with BLF for DND on polycom expansion module?  The BLF is working fine when the extension is busy, but when the extension has DND on, it did not change the LED light.  Any sugestion?

Thank you.

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