Description In some countries, the providers of SIP trunks deliver a private IP for the routing of calls on their SIP trunks, in these cases, it is necessary to manage static routes to redirect outgoing calls on their private network or interface. In dual-mode, the UCM6XXX is able to handle a different network per individual port and a … Read more
Description You may find the phone’s admin guide a little confusing when it comes to Self-Defined Time Zone setting under Date and Time Setting. This article shows you the steps to complete How to a. Navigate to the phone‘s web interface > Setting > Preferences > Date and Time b. Time zone: select Self-Defined Time … Read more
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 This article describes the known issues with the Grandstream Wave Lite application. There will be limited or zero development resources for this application. Known Issues 1. IPv6 Wave Lite Android/iOS application does not support IPv6-only networks under some mobile networks (e.g. T-Mobile), the registration will fail under the IPv6 network. 2. Run in Background … Read more
Description This article summarises and highlights the technical specifications, comparison, and use cases of Grandstream IP Phones
Description When filtering a ‘No Answer’ CDR report, the list shows ‘Answered Calls’ on the CDR page of Grandstream IP PBX UCM6XXX. Explanation This is the designed behavior. When the sub-entry or call legs meet the Filter conditions (either No Answer or Answered), it will be pre-viewed as the first entry in the CDR results.
