Description When you usually try to make a call via a Feature Code (eg. *20*), you will see a message pop up ‘No dial plan rules matched’ on the Grandstream phone, causing the call failure. Troubleshooting ResolutionThis issue arises because the dial plan entries do not permit # and * in the middle of a … Read more
Description When utilizing Zero Config to detect devices across subnets, users might encounter the error “LAN port is disconnected. Please connect LAN port to discover again.” in the Grandstream IP PBX UCM62XX series. Network Setup Troubleshooting steps Workaround To resolve the issue and enable Zero Config to auto-detect devices across subnets, try the following steps: … Read more
Issue Description User is unable to transfer calls from the call queue via GS Wave iOS application. Test steps: 1. Ext. 1008 (Wave iOS) is a member of Call Queue 6500 2. Ext. 1004 dials 6500 3. Ext. 1008 picks up the call and press Transfer (Blind) to 8002 4. Repeat step 1 to 3 … Read more
Description If you’ve forgotten the Web UI admin password for your Grandstream PBX UCM63XX, you can recover or reset access by email or performing a factory reset. Method 1: Recover via Email (Recommended) If you previously configured a recovery email address, follow these steps: Tip: It is strongly recommended to set up the recovery email … Read more
Description Many users encounter issues with the GXW4104/4108 not identifying caller IDs on incoming calls. Below are some troubleshooting steps to help resolve these issues. Troubleshooting Steps Telco Provider 1. Enable Caller Line Identification (CLI)Ensure that CLI is enabled on your phone line with your service provider. Many users are unaware that this service may … Read more
Description Grandstream UCM has built-in troubleshooting tools under the Maintenance tab. They are : Process Log & Syslog Level CDR API Log: Monitors processes related to CDR API configuration and function. PBX MID Log: Monitors processes related to the CTI module. This includes CRM and PMS features, as well as web pages that use WebSocket … Read more
Issue Description GRP260X freezes and is not responsive occasionally, even after firmware upgrade and factory reset. Cause GRP260X that are manufactured before March 2021 may experience this freezing issue. It is caused by the CPU loader that does not upgrade. This can be fixed by uploading the test build 0.28.8.6 followed by an SSH command. … Read more
Description Many users often forget the “Admin Password” needed to access the web interface of their IP phones, especially when the Factory Reset option is unavailable on the device menu. This article outlines methods to reset the administrator password for Grandstream devices. Triage Before proceeding, verify the following: Method 1: GDMS GDMS (Grandstream Device Management System) … Read more