Don't use FXO's with no battery (bug #2359)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3712 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index a061712..cafe99e 100755 (executable)
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -6289,9 +6289,6 @@ static inline int available(struct zt_pvt *p, int channelmatch, int groupmatch,
                                return 1;
                }
 #endif
-               if ((p->sig == SIG_FXSKS) || (p->sig == SIG_FXSLS) ||
-                       (p->sig == SIG_FXSGS) || !p->sig)
-                       return 1;
                if (!p->radio)
                {
                        /* Check hook state */
@@ -6304,6 +6301,14 @@ static inline int available(struct zt_pvt *p, int channelmatch, int groupmatch,
                        }
                        if (res) {
                                ast_log(LOG_WARNING, "Unable to check hook state on channel %d\n", p->channel);
+                       } else if ((p->sig == SIG_FXSKS) || (p->sig == SIG_FXSLS) ||
+                               (p->sig == SIG_FXSGS) || !p->sig) {
+                               /* When "onhook" that means no battery on the line, and thus
+                                 it is out of service... */
+                               if (par.rxisoffhook)
+                                       return 1;
+                               else
+                                       return 0;
                        } else if (par.rxisoffhook) {
                                ast_log(LOG_DEBUG, "Channel %d off hook, can't use\n", p->channel);
                                /* Not available when the other end is off hook */