<Server Settings>
/
<user_hold_inactive idx="1-10">VALIDVALUE</user_hold_inactive>
Specify if you want to indicate a hold request with sdp parameter send-only or inactive. Some pbx's need the inactive setting for proper music-on-hold operation.
RFC3263 defines direction attributes and (set to off)
RFC2543 will send in SDP inactive. (set to on)
off / on
off