Accept MGCP keepalive

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1135 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_mgcp.c b/channels/chan_mgcp.c
index 27a962b..faeb828 100755 (executable)
--- a/channels/chan_mgcp.c
+++ b/channels/chan_mgcp.c
@@ -2139,15 +2139,22 @@ static int handle_request(struct mgcp_subchannel *sub, struct mgcp_request *req,
     }
        /* Clear out potential response */
        if (!strcasecmp(req->verb, "RSIP")) {
-               dump_queue(p);
-               if (option_verbose > 2) {
-                       ast_verbose(VERBOSE_PREFIX_3 "Resetting interface %s@%s\n", p->name, p->parent->name);
-        }
-               if (sub->owner) {
-                       ast_softhangup(sub->owner, AST_SOFTHANGUP_DEV);
-        }
-               transmit_response(sub, "200", req, "OK");
-               transmit_notify_request(sub, "");
+               /* Test if this RSIP request is just a keepalive */
+               if(!strcasecmp( get_header(req, "RM"), "X-keepalive")) {
+                       if (option_verbose > 2)
+                               ast_verbose(VERBOSE_PREFIX_3 "Received keepalive request from %s@%s\n", p->name, p->parent->name);
+                       transmit_response(sub, "200", req, "OK");
+               } else {
+                       dump_queue(p);
+                       if (option_verbose > 2) {
+                               ast_verbose(VERBOSE_PREFIX_3 "Resetting interface %s@%s\n", p->name, p->parent->name);
+                       }
+                       if (sub->owner) {
+                               ast_softhangup(sub->owner, AST_SOFTHANGUP_DEV);
+                       }
+                       transmit_response(sub, "200", req, "OK");
+                       transmit_notify_request(sub, "");
+               }
        } else if (!strcasecmp(req->verb, "NTFY")) {
                /* Acknowledge and be sure we keep looking for the same things */
                transmit_response(sub, "200", req, "OK");