Issue Description User is unable to transfer calls from the call queue via Wave iOS Test steps: 1. Ext. 1008 (Wave iOS) is a member of...

Description This article describes how to recover the admin password of UCM. When the user forgets about the Web UI admin password, you...

Description This article describes the known issues with the Grandstream Wave Lite application. Known issues 1. IPv6 Wave Lite...

Description This article shows the Bluetooth and Wi-fi frequency range, transmission output power and antenna gain.

Description When filtering a 'No Answer' CDR report, the list shows 'Answered Calls' as well. Explanation This is the default design and...

Description Management Information Base (MIB) parameters of GXP16XX in order to send correct requests to client (Grandstream end-points)...

Description We've always seen issue using GXW4104/4108 for not identifying caller ID on the incoming call. Here are some steps you may...

Description Beside resetting the phone via Web UI or reset pin on the device, you can also factory reset the phone via SSH command. How...

The full charge time for the DP722 is 8 hours; The full charge time for the DP730 is 3 hours. Note: As the battery's use time becomes...

Scenario Mass provisioning 100 units of GXP1628's MPK setting via Grandstream UCM's Zero Config Steps AT UCM 1. Go to UCM's Web UI >...

Understanding Grandstream UCM Syslog Modules

Issue GRP260X freezes and not responsive occasionally, even after firmware upgrade and factory reset. Cause The freezing issue is caused...

Issue A lot of times, the users have forgotten “Admin Password” on the phone's web access page and have no access to the Factory Reset...

Call Waiting Setting Go to Settings > Call Features Disable Call-Waiting During an active call and you receive a second call, the second...

General Settings Go to the gateway or phone's UI > Maintenance tab > Upgrade and Provisioning, make sure that: Allow DHCP Option 43 and...

Description: This article describes the test bed setup and testing results of GWN7660. The maximum wireless performance is tested under...

Description As WP820 is not listed as the supported phone model by 3CX, you are unable to add the phone's XML file or direct 'Phone...

To do so, please: a. Create a config backup from the UCM62XX, attach the file as compressed to a support ticket. (If you are migrating...

1. What are the Facility Management Solution provided by Grandstream? Our facility management solutions include our GDS series door...

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...