diff --git a/app.js b/app.js
index d4568d9..5f83bdd 100644
--- a/app.js
+++ b/app.js
@@ -71,6 +71,6 @@ srf.use((req, res, next, err) => {
 
 setInterval(() => {
   stats.gauge('sbc.sip.calls.count', activeCallIds.size, ['direction:inbound']);
-}, 3000);
+}, 5000);
 
 module.exports = {srf, logger};
diff --git a/lib/middleware.js b/lib/middleware.js
index 2f91272..f8b2bc7 100644
--- a/lib/middleware.js
+++ b/lib/middleware.js
@@ -3,7 +3,7 @@ const debug = require('debug')('jambonz:sbc-inbound');
 module.exports = function(srf, logger) {
   const {lookupSipGatewayBySignalingAddress, lookupAuthHook}  = srf.locals.dbHelpers;
   const authenticator = require('jambonz-http-authenticator')(lookupAuthHook, logger, {blacklistUnknownRealms: true});
-  const {stats, activeCallIds} = srf.locals;
+  const {stats} = srf.locals;
 
   function initLocals(req, res, next) {
     req.locals = req.locals || {};
@@ -14,8 +14,6 @@ module.exports = function(srf, logger) {
       const tags = ['canceled:yes', 'sipStatus:487'];
       if (req.locals.originator) tags.push(`originator:${req.locals.originator}`);
       stats.increment('sbc.terminations', tags);
-      activeCallIds.delete(callId);
-      stats.gauge('sbc.sip.calls.count', activeCallIds.size);
     });
     stats.increment('sbc.invites', ['direction:inbound']);
     next();
diff --git a/package-lock.json b/package-lock.json
index 2d035c8..092fb53 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1866,10 +1866,11 @@
       }
     },
     "jambonz-stats-collector": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/jambonz-stats-collector/-/jambonz-stats-collector-0.0.1.tgz",
-      "integrity": "sha512-SjldpRYr5fRn/gXb1w9T9YvTiV+5cenVyNQjZfjOGBpGUlcHQomK84oxgdIiaLbGXEg7VxM5E9kupEjoF6hKfg==",
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/jambonz-stats-collector/-/jambonz-stats-collector-0.0.3.tgz",
+      "integrity": "sha512-WcQr7Zhk3BDi6ZO8ft5eigO8ygu8D2rgHIC2RbL15a+a5qGDeQATI+5LXZnYFiHwn5WoDweR0sc0/Ui5nYIeXg==",
       "requires": {
+        "debug": "^4.1.1",
         "hot-shots": "^6.8.7"
       }
     },
diff --git a/package.json b/package.json
index f05945f..5f24d74 100644
--- a/package.json
+++ b/package.json
@@ -28,11 +28,10 @@
     "debug": "^4.1.1",
     "drachtio-fn-b2b-sugar": "0.0.12",
     "drachtio-srf": "^4.4.28",
-    "hot-shots": "^6.8.7",
     "jambonz-db-helpers": "^0.3.2",
     "jambonz-http-authenticator": "0.1.1",
     "jambonz-rtpengine-utils": "0.0.9",
-    "jambonz-stats-collector": "0.0.1",
+    "jambonz-stats-collector": "0.0.3",
     "pino": "^5.14.0",
     "rtpengine-client": "^0.0.8"
   },