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func_channel.c: Update MASTER_CHANNEL documentation

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Be more explicit in what is meant by the master channel to eliminate
misunderstanding.

ASTERISK-23133

Change-Id: I453bcaf4b99404a5a3e345dbf093ac6c1afcfc72
This commit is contained in:
Richard Mudgett
2017-12-27 20:22:36 -06:00
parent 92fb393cab
commit eead5d0c30
1 changed files with 5 additions and 2 deletions
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7
funcs/func_channel.c
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@@ -69,8 +69,11 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
Gets or sets variables on the master channel
</synopsis>
<description>
<para>Allows access to the channel which created the current channel, if any. If the channel is already
a master channel, then accesses local channel variables.</para>
<para>Allows access to the oldest channel associated with the current
channel if it still exists. If the channel is the master channel or
the master channel no longer exists then access local channel variables
instead. In other words, the master channel is the channel identified by
the channel's linkedid.</para>
</description>
</function>
<function name="CHANNEL" language="en_US">