diff --git a/packages/calling/src/common/constants.ts b/packages/calling/src/common/constants.ts
index f6f1b42f705..567a818b789 100644
--- a/packages/calling/src/common/constants.ts
+++ b/packages/calling/src/common/constants.ts
@@ -47,5 +47,5 @@ export const SCIM_WEBEXIDENTITY_USER = 'urn:scim:schemas:extension:cisco:webexid
 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`;
+export const WEBEX_API_CONFIG_INT_URL = `${WEBEX_API_BTS}/v1/uc/config`;
+export const WEBEX_API_CONFIG_PROD_URL = `${WEBEX_API_PROD}/v1/uc/config`;