Speed Test and Band Utilization in Grandstream GWN76XX Access Points

Run Speed Test with Grandstream Access Point

Description Running speed tests with access points is important to find out the download and upload speed of the wireless network. It helps to evaluate and optimize the placement or position of the access point and ensure that the wireless network is able to provide adequate coverage and performance. This article describes simple methods for … Read more

Audio delay issue in Grandstream IP Phones GRP260x and IP PBX UCM

Audio delay in Grandstream IP Phone

Description In an IP phone system, audio delay can occur due to network latency, jitter, and packet loss. In addition, audio codecs and processing that are used in IP phone systems can also contribute to audio delay. To reduce audio delay in IP phones, network administrators can use Quality of Service (QoS) techniques to prioritize … Read more

Grandstream Wave Mobile Login fails with Grandstream UCM Public IP

Grandstream Wave Mobile Account Registration Failed

Description When Grandstream IP PBX UCM63XX is used in remote work without Remote Connect service (UCMRC), there are certain network settings required to allow Grandstream Wave Mobile application login via UCM’s Public IP addresses; otherwise, you will get login errors such as ‘Account Registration Failed’ or ‘Unable to connect to the server’. Configure the ports … Read more

Grandstream GXP16XX series IP Phones are stuck at ‘Recovery Incomplete’

Recovery Incomplete Grandstream IP Phones GXP1625

Description This article describes the steps to troubleshoot the Grandstream IP Phones that are stuck at ‘Recovery Incomplete’ or ‘Firmware Initialising’ upon boot up. This is commonly found in GXP16XX series IP Phones – GXP1610, GXP1620, GXP1625, GXP1628 and GXP1630. Cause The error is caused by power failure or disruption during a firmware upgrade or … Read more

Grandstream Android Phone GXV32XX is not responsive when receiving incoming calls

Grandstream GXV32XX is not responsive in answering calls

Description This article describes Grandstream Android Phone GXV32XX as being not responsive when receiving incoming calls. The users are unable to answer or pick up calls from the LCD call screen. This scenario is seen after UCM firmware upgrade. Workaround Please try one of these methods: a. Go to UCM63XX’s WEB UI > Extension > Media  > … Read more

Troubleshooting the ‘CPE Connection Failed’ Warning on Grandstream IP Phones

Understanding the CPE Connection Failed Warning and How to Address It If you’ve encountered a CPE Connection Failed warning on your Grandstream IP phone, you might be wondering what it means and how to resolve it. In this article, we’ll break down the cause of this warning and provide a simple solution to prevent the … Read more

Grandstream Headsets GUV30XX Hardware Diagnosis

GUV3000 Grandstream Troubleshooting

Description This article describes the diagnosis steps with low volume in the Grandstream USB Headset GUV3XXX series before submitting an RMA request with the Helpdesk. Steps a. Test with different laptops, PC, or devices b. Test with different applications for eg Zoom, Teams, IPVideoTalk, etcc. Record audio with Audacity and verify if you are able to … Read more

Grandstream IPVT10 – The MCU Resource is unavailable, please try again later.

Grandstream IPVT10 - The MCU Resource is unavailable, please try again later.

Description This article describes the error when creating and joining a meeting via IPVT10: ‘The MCU resource is unavailable, please try again later.’ warning pops up. Possible causes a. Verify if the license applied is valid under Advanced Settings > License Management b. Go to System Information and identify if there is an error message. … Read more