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.
Description The Call Waiting feature allows the users to answer another call while they are already on an active call. Primarily used in business phone systems, this feature enhances employee efficiency and improves customer experience. In short, the call waiting feature allows for two active call lines on a single IP phone, providing call agents … Read more
Description This article describes the firmware upgrade settings in Grandstream devices and how to analyze the Syslog when it fails. General Settings Go to the gateway or phone’s UI > Maintenance tab > Upgrade and Provisioning, and make sure that: Firmware File If you choose the upgrade the phones locally (via Web UI or local … Read more
Scenario: If you are using Grandstream UCM as LDAP Server, you may find that that the contact names are not showing on the phones when you dial out, or on the incoming calls. There are some settings not covered in the LDAP Config guide. At the UCM Go to UCM Web UI > System Setting … Read more