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-rw-r--r--telepathy-yell/Call_Content_Interface_Media.xml9
1 files changed, 8 insertions, 1 deletions
diff --git a/telepathy-yell/Call_Content_Interface_Media.xml b/telepathy-yell/Call_Content_Interface_Media.xml
index 0552111..24811fd 100644
--- a/telepathy-yell/Call_Content_Interface_Media.xml
+++ b/telepathy-yell/Call_Content_Interface_Media.xml
@@ -27,7 +27,14 @@
<tp:docstring xmlns="http://www.w3.org/1999/xhtml">
<p>Interface to use by a software implementation of media
- streaming.</p>
+ streaming. The reason behind splitting the members of this
+ interface out from the main <tp:dbus-ref
+ namespace="ofdT.Call">Content.DRAFT</tp:dbus-ref> interface is
+ that the software is not necessarily what controls the
+ media. An example of this is in GSM phones, where the CM just
+ tells the phone to dial a number and it does the audio routing
+ in a device specific hardware way and the CM does not need
+ to concern itself with codecs.</p>
<p>On new <tp:dbus-ref
namespace="ofdT.Channel.Type">Call.DRAFT</tp:dbus-ref> channels,