One way audio outgoing calls

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Mikeme

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Apr 26, 2021
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Hi,
I'm facing a problem with outgoing call via SIP TRUNK when there is a one way sound.
when asking ITSP for the reason they told me that FS does not sending - " a=sendrecv" in media sip message of the invite
does some known which settings do i need to change so FS will send this line in the invite SIP message?
can't find anything about this issue in the net.


 
M

Mikeme

Member
Apr 26, 2021
171
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38
I try many options like adding early_media in outgoing dialplan and nothing changed.
help
 
hfoster

hfoster

Active Member
Jan 28, 2019
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<param name="NDLB-sendrecv-in-session" value="true"/>

What about the above if you added it to the external profile in SIP Profiles?
 
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