[asterisk-users] process_sdp: Multiple audio streams are not supported

[cjwstudios]

Hello folks, I'm running 1.8.11 on a Centos 6 system with an adjacent
Hylafax server using softmodems:

Noticed this in the Asterisk log when trying to send a fax from
Hylafax to Asterisk:

[Apr  3 01:53:09] WARNING[29184]: chan_sip.c:8926 process_sdp:
Multiple audio streams are not supported

I've googled a few asterisk tickets that may suggest that yes,
multiple audio streams are not supported in 1.8, but is there possibly
a way for multiple audio streams to be supported?

Thank you very much.