Try this:

<action application="set" data="hold_music=silence" />

Or

<action application="set" data="hold_music=/sounds/holdmusic.wav" />


Srigo Kana
On 8 Oct 2018, at 17:43, sagar malam <sagarmalam@gmail.com> wrote:
Caller A and Caller B are on call.Caller A puts call on hold for 2 mins.During these 2 mins FS does not send any RTP to firewall due to which firewall closes RTP port of caller A due to udp inactivity
can we configure FS to send something like empty RTP to caller A ?
I did not find any settings in wiki

Thanks in advance

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