If you encounter issues such as frequent disconnections or cannot obtain an IP address on the Grandstream FXS Gateway GXW42XX series, here are the steps for diagnosing hardware defects in the network port: If the above steps do not resolve the issue, please contact the Support team for further assistance.
Description We are currently experiencing intermittent unresponsive events with the Grandstream GXW42xx FXS gateways. In the most recent incident, while the gateways were responsive to pings, users could not log in. This required the customer to manually power off the gateways for 2-3 minutes before they resumed normal functionality. It’s worth noting that there is … Read more
Description When uploading the firmware file to the Grandstream GXW42XX FXS gateway, you may encounter the error: “Unable to upload the file. Please try again. Reason: CGI Error.” How-to This error typically occurs when the incorrect firmware file is uploaded. The GXW42xx V2 device requires a different firmware file than the GXW42xx V1 device. Please … Read more
Description This article describes the recommended settings in Grandstream IP Phones to avoid un-registration issues due to unstable network connectivity. Recommendations Others
Description This article describes the error of Account Registration Failed when logging in to Grandstream Wave Mobile using the UCM Remote Connect address, but it works in Wave Desktop and Wave Web. The error occurs when an invalid certificate is uploaded. Try these 2. Go to UCM’s UI > PBX settings > SIP Settings > … Read more
Description This article suggests the parameters to resolve the issue of call disconnect after a few minutes in Grandstream IP Phones. You can set these under Account > SIP Settings: 1. Force Timer to Yes 2. Force INVITE to Yes 3. Enable UAC Specify Refresher to UAC 4. Enable UAS Specify Refresher to UAS
Description This article describes the issue of uploading the device’s XML config file to Grandstream Analog Gateway GXW42XX. When exporting and importing the XML config from one gateway to another, you may experience an error ‘Failed. Please try again.’ Workaround To solve this, remove <mac>xxx</mac> from the XML Config and re-upload it to the new … Read more
Description No ‘ringback tone’ issue on outbound calls occurs when the PBX or UCM receives 183 Session Progress (with SDP) first and then 180 Ringing later from the SIP Service Provider (ITSP). It would be a 183 Session Progress message to play the ‘Early Media’ on the caller’s phone. Also, missing SDP in 183 Session … Read more
Issue Grandstream IP PBX UCM does not call the invitees with external numbers, but it works with extensions during the scheduled meeting. How to UCM calls out using the Meeting Room Number during the scheduled meeting. Make sure that you enter the _x. or _meeting_room_number under Outbound Routes > Source Caller ID Pattern
Scenario There is no audio issue in the calls between IP Phones using UCMRC. However, audio works when the call is established between the Wave app and the IP Phone with the same registered extension. Solution The “Strict RTP” option cannot be enabled while using the remote domain address of UCMRC services. When using the … Read more