Update documentation for SIP_HEADER.

The SIP_HEADER function only works on the the initial SIP INVITE. The documentation was updated
in trunk, but not in 1.8 or 10, so I'm making them match.

(Closes issue ASTERISK-18640)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@338492 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index e7263d645542cd49214eeeac618548a9e794475d..ef2a8b4a58dda3867e73dbe9b6f4e98820f12872 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -339,7 +339,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
        </application>
        <function name="SIP_HEADER" language="en_US">
                <synopsis>
-                       Gets the specified SIP header.
+                       Gets the specified SIP header from an incoming INVITE message.
                </synopsis>
                <syntax>
                        <parameter name="name" required="true" />