mgw: Configure IuUP if codec set during MDCX
The mgcp client may first configure the connection to use RTP-AMR, but
after setting up another call leg may find out that both legs are IuUP
and hence want to forward the IuUP between the 2 connections instead.
In that case, an MDCX with codec VND.3GPP.IUFP would be set.
Until now, osmo-mgw didn't take that scenario into account, and it was
only upgrading the rtp conn to iuup internally during CRCX.
As a result, in the mentioned scenario osmo-mgw would continue to
output RTP instead of IuUP after the MDCX with VND.3GPP.IUFP, which is
wrong.
Related: SYS#6578
Change-Id: Ic94bf90f54d8ba3e65a2cd52734867847f3a60c2
1 file changed