diff --git a/packages/calling/src/CallSettings/UcmBackendConnector.test.ts b/packages/calling/src/CallSettings/UcmBackendConnector.test.ts
index 45df2f651c0..7b3409e57b1 100644
--- a/packages/calling/src/CallSettings/UcmBackendConnector.test.ts
+++ b/packages/calling/src/CallSettings/UcmBackendConnector.test.ts
@@ -1,10 +1,15 @@
 import {LOGGER} from '../Logger/types';
 import * as utils from '../common/Utils';
-import {FAILURE_MESSAGE, SUCCESS_MESSAGE, UCM_CONNECTOR_FILE} from '../common/constants';
+import {
+  FAILURE_MESSAGE,
+  SUCCESS_MESSAGE,
+  UCM_CONNECTOR_FILE,
+  WEBEX_API_CONFIG_INT_URL,
+} from '../common/constants';
 import {getTestUtilsWebex} from '../common/testUtil';
 import {HTTP_METHODS, WebexRequestPayload} from '../common/types';
 import {UcmBackendConnector} from './UcmBackendConnector';
-import {CF_ENDPOINT, ORG_ENDPOINT, PEOPLE_ENDPOINT, WEBEX_APIS_INT_URL} from './constants';
+import {CF_ENDPOINT, ORG_ENDPOINT, PEOPLE_ENDPOINT} from './constants';
 import {CallForwardAlwaysSetting, CallForwardingSettingsUCM, IUcmBackendConnector} from './types';
 
 describe('Call Settings Client Tests for UcmBackendConnector', () => {
@@ -44,7 +49,7 @@ describe('Call Settings Client Tests for UcmBackendConnector', () => {
       },
     };
 
-    const callForwardingUri = `${WEBEX_APIS_INT_URL}/${PEOPLE_ENDPOINT}/${userId}/${CF_ENDPOINT.toLowerCase()}?${ORG_ENDPOINT}=${orgId}`;
+    const callForwardingUri = `${WEBEX_API_CONFIG_INT_URL}/${PEOPLE_ENDPOINT}/${userId}/${CF_ENDPOINT.toLowerCase()}?${ORG_ENDPOINT}=${orgId}`;
 
     beforeAll(() => {
       callSettingsClient = new UcmBackendConnector(webex, {level: LOGGER.INFO}, false);
diff --git a/packages/calling/src/CallSettings/UcmBackendConnector.ts b/packages/calling/src/CallSettings/UcmBackendConnector.ts
index cbf6fd7e8f2..3aab3e44ee6 100644
--- a/packages/calling/src/CallSettings/UcmBackendConnector.ts
+++ b/packages/calling/src/CallSettings/UcmBackendConnector.ts
@@ -8,15 +8,11 @@ import {
   SUCCESS_MESSAGE,
   UCM_CONNECTOR_FILE,
   VOICEMAIL,
+  WEBEX_API_CONFIG_INT_URL,
+  WEBEX_API_CONFIG_PROD_URL,
 } from '../common/constants';
 import {HTTP_METHODS, WebexRequestPayload} from '../common/types';
-import {
-  CF_ENDPOINT,
-  ORG_ENDPOINT,
-  PEOPLE_ENDPOINT,
-  WEBEX_APIS_INT_URL,
-  WEBEX_APIS_PROD_URL,
-} from './constants';
+import {CF_ENDPOINT, ORG_ENDPOINT, PEOPLE_ENDPOINT} from './constants';
 import {
   CallForwardAlwaysSetting,
   CallForwardingSettingsUCM,
@@ -132,7 +128,9 @@ export class UcmBackendConnector implements IUcmBackendConnector {
       method: this.getCallForwardAlwaysSetting.name,
     };
 
-    const webexApisUrl = this.useProdWebexApis ? WEBEX_APIS_PROD_URL : WEBEX_APIS_INT_URL;
+    const webexApisUrl = this.useProdWebexApis
+      ? WEBEX_API_CONFIG_PROD_URL
+      : WEBEX_API_CONFIG_INT_URL;
 
     try {
       if (directoryNumber) {
diff --git a/packages/calling/src/CallSettings/constants.ts b/packages/calling/src/CallSettings/constants.ts
index a869a5703ce..95912f9fac4 100644
--- a/packages/calling/src/CallSettings/constants.ts
+++ b/packages/calling/src/CallSettings/constants.ts
@@ -7,5 +7,3 @@ export const CF_ENDPOINT = 'features/callForwarding';
 export const VM_ENDPOINT = 'features/voicemail';
 export const CALL_WAITING_ENDPOINT = 'CallWaiting';
 export const XSI_VERSION = 'v2.0';
-export const WEBEX_APIS_INT_URL = 'https://integration.webexapis.com/v1/uc/config';
-export const WEBEX_APIS_PROD_URL = 'https://webexapis.com/v1/uc/config';
diff --git a/packages/calling/src/Contacts/ContactsClient.test.ts b/packages/calling/src/Contacts/ContactsClient.test.ts
index 01b6fc6b4a7..404023aaba4 100644
--- a/packages/calling/src/Contacts/ContactsClient.test.ts
+++ b/packages/calling/src/Contacts/ContactsClient.test.ts
@@ -9,6 +9,7 @@ import {
   SCIM_ENDPOINT_RESOURCE,
   SCIM_USER_FILTER,
   SUCCESS_MESSAGE,
+  WEBEX_API_BTS,
 } from '../common/constants';
 import log from '../Logger';
 import {
@@ -59,7 +60,7 @@ describe('ContactClient Tests', () => {
 
   // eslint-disable-next-line no-underscore-dangle
   const contactServiceUrl = `${webex.internal.services._serviceUrls.contactsService}/${ENCRYPT_FILTER}/${USERS}/${CONTACT_FILTER}`;
-  const scimUrl = `${webex.internal.services._serviceUrls.identity}/${IDENTITY_ENDPOINT_RESOURCE}/${SCIM_ENDPOINT_RESOURCE}/${webex.internal.device.orgId}/${SCIM_USER_FILTER}id%20eq%20%22801bb994-343b-4f6b-97ae-d13c91d4b877%22`;
+  const scimUrl = `${WEBEX_API_BTS}/${IDENTITY_ENDPOINT_RESOURCE}/${SCIM_ENDPOINT_RESOURCE}/${webex.internal.device.orgId}/${SCIM_USER_FILTER}id%20eq%20%22801bb994-343b-4f6b-97ae-d13c91d4b877%22`;
   // eslint-disable-next-line no-underscore-dangle
   const contactServiceGroupUrl = `${webex.internal.services._serviceUrls.contactsService}/${ENCRYPT_FILTER}/${USERS}/${GROUP_FILTER}`;
   const serviceErrorCodeHandlerSpy = jest.spyOn(utils, 'serviceErrorCodeHandler');
diff --git a/packages/calling/src/common/Utils.test.ts b/packages/calling/src/common/Utils.test.ts
index f35d45ef89b..06b70c2c098 100644
--- a/packages/calling/src/common/Utils.test.ts
+++ b/packages/calling/src/common/Utils.test.ts
@@ -52,6 +52,7 @@ import {
   INFER_ID_CONSTANT,
   SCIM_ENDPOINT_RESOURCE,
   SCIM_USER_FILTER,
+  WEBEX_API_BTS,
 } from './constants';
 import {CALL_EVENT_KEYS} from '../Events/types';
 
@@ -913,7 +914,7 @@ describe('Voicemail Sorting Tests', () => {
 });
 
 describe('resolveContact tests', () => {
-  const scimUrl = `${webex.internal.services._serviceUrls.identity}/${IDENTITY_ENDPOINT_RESOURCE}/${SCIM_ENDPOINT_RESOURCE}/${webex.internal.device.orgId}/${SCIM_USER_FILTER}`;
+  const scimUrl = `${WEBEX_API_BTS}/${IDENTITY_ENDPOINT_RESOURCE}/${SCIM_ENDPOINT_RESOURCE}/${webex.internal.device.orgId}/${SCIM_USER_FILTER}`;
 
   it('Invalid CallingPartyInfo', () => {
     const callingPartyInfo = {} as CallingPartyInfo;
diff --git a/packages/calling/src/common/Utils.ts b/packages/calling/src/common/Utils.ts
index 44e4577d902..5c5ee2434ff 100644
--- a/packages/calling/src/common/Utils.ts
+++ b/packages/calling/src/common/Utils.ts
@@ -113,6 +113,8 @@ import {
   IDENTITY_ENDPOINT_RESOURCE,
   SCIM_ENDPOINT_RESOURCE,
   SCIM_USER_FILTER,
+  WEBEX_API_PROD,
+  WEBEX_API_BTS,
 } from './constants';
 import {Model, WebexSDK} from '../SDKConnector/types';
 import SDKConnector from '../SDKConnector';
@@ -1184,7 +1186,10 @@ export async function scimQuery(filter: string) {
   const sdkConnector = SDKConnector;
   const webex = sdkConnector.getWebex();
 
-  const scimUrl = `${webex.internal.services._serviceUrls.identity}/${IDENTITY_ENDPOINT_RESOURCE}/${SCIM_ENDPOINT_RESOURCE}/${webex.internal.device.orgId}/${SCIM_USER_FILTER}`;
+  const isProd = !webex.internal.device.url.includes('-int');
+  const webexHost = isProd ? WEBEX_API_PROD : WEBEX_API_BTS;
+
+  const scimUrl = `${webexHost}/${IDENTITY_ENDPOINT_RESOURCE}/${SCIM_ENDPOINT_RESOURCE}/${webex.internal.device.orgId}/${SCIM_USER_FILTER}`;
   const query = scimUrl + encodeURIComponent(filter);
 
   return <WebexRequestPayload>(<unknown>webex.request({
diff --git a/packages/calling/src/common/constants.ts b/packages/calling/src/common/constants.ts
index 8166e6e25aa..a71f3de888a 100644
--- a/packages/calling/src/common/constants.ts
+++ b/packages/calling/src/common/constants.ts
@@ -44,3 +44,7 @@ export const UCM_CONNECTOR_FILE = 'UcmBackendConnector';
 export const VOICEMAIL = 'VOICEMAIL';
 export const SCIM_WEBEXIDENTITY_USER = 'urn:scim:schemas:extension:cisco:webexidentity:2.0:User';
 export const SCIM_ENTERPRISE_USER = 'urn:ietf:params:scim:schemas:extension:enterprise:2.0:User';
+export const WEBEX_API_PROD = 'https://webexapis.com';
+export const WEBEX_API_BTS = 'https://integration.webexapis.com';
+export const WEBEX_API_CONFIG_INT_URL = `https://${WEBEX_API_BTS}/v1/uc/config`;
+export const WEBEX_API_CONFIG_PROD_URL = `https://${WEBEX_API_PROD}/v1/uc/config`;