Index: doc/asterisk-mib.txt
===================================================================
--- doc/asterisk-mib.txt        (revision 62416)
+++ doc/asterisk-mib.txt        (working copy)
@@ -11,7 +11,7 @@
                FROM DIGIUM-MIB;
 
 asterisk MODULE-IDENTITY
-       LAST-UPDATED    "200603061840Z"
+       LAST-UPDATED    "200704040317Z"
        ORGANIZATION    "Digium, Inc."
        CONTACT-INFO
                "Mark A. Spencer
@@ -736,4 +736,14 @@
                "Number of active channels using the current technology."
        ::= { astChanTypeEntry 7 }
 
+astChanScalars OBJECT-IDENTIFIER ::= { asteriskChannels 5 }
+
+astNumChanBridge OBJECT-TYPE
+       SYNTAX          Gauge32
+       MAX-ACCESS      read-only
+       STATUS          current
+       DESCRIPTION
+               "Number of channels currently in a bridged state."
+       ::= { asteriskChanScalars 1 }
+
 END
Index: res/snmp/agent.c
===================================================================
--- res/snmp/agent.c    (revision 62416)
+++ res/snmp/agent.c    (working copy)
@@ -138,6 +138,8 @@
 #define                        ASTCHANTYPETRANSFER             6
 #define                        ASTCHANTYPECHANNELS             7
 
+#define                ASTCHANBRIDGECOUNT              5
+
 void *agent_thread(void *arg)
 {
     ast_verbose(VERBOSE_PREFIX_2 "Starting %sAgent\n", res_snmp_agentx_subagent ? "Sub" : "");
@@ -585,6 +587,34 @@
     return NULL;
 }
 
+static u_char *ast_var_channel_bridge(struct variable *vp, oid *name, size_t *length,
+                                                                  int exact, size_t *var_len, WriteMethod **write_method)
+{
+    static unsigned long long_ret;
+    struct ast_channel *chan;
+
+    if (header_generic(vp, name, length, exact, var_len, write_method))
+               return NULL;
+
+    long_ret = 0;
+    for (chan = ast_channel_walk_locked(NULL);
+                chan != NULL;
+                chan = ast_channel_walk_locked(chan)) {
+                   if (ast_bridged_channel(chan) != NULL)
+                       long_ret++;
+                ast_channel_unlock(chan);
+    }
+       *var_len = sizeof(long_ret);
+
+    switch (vp->magic) {
+       case ASTCHANBRIDGECOUNT:
+               return (u_char *)&long_ret;
+       default:
+               break;
+    }
+    return NULL;
+}
+
 static u_char *ast_var_Config(struct variable *vp, oid *name, size_t *length,
                                                         int exact, size_t *var_len, WriteMethod **write_method)
 {
@@ -802,6 +832,7 @@
                {ASTCHANTYPEINDICATIONS, ASN_INTEGER,   RONLY, ast_var_channel_types_table, 4, {ASTCHANNELS, ASTCHANTYPETABLE, 1, ASTCHANTYPEINDICATIONS}},
                {ASTCHANTYPETRANSFER,    ASN_INTEGER,   RONLY, ast_var_channel_types_table, 4, {ASTCHANNELS, ASTCHANTYPETABLE, 1, ASTCHANTYPETRANSFER}},
                {ASTCHANTYPECHANNELS,    ASN_GAUGE,     RONLY, ast_var_channel_types_table, 4, {ASTCHANNELS, ASTCHANTYPETABLE, 1, ASTCHANTYPECHANNELS}},
+               {ASTCHANBRIDGECOUNT,       ASN_GAUGE,   RONLY, ast_var_channel_bridge,      2, {ASTCHANNELS, ASTCHANBRIDGECOUNT}},
     };
 
     register_sysORTable(asterisk_oid, OID_LENGTH(asterisk_oid),