Description This article suggests the settings for resolving the common issue – Unknown Caller ID in Grandstream ATA HT813. These parameters can be found under the FXO Port Page. 1. Adjust the Number of Rings from 1 to 4 2. Configure Caller ID Transport Type to Relay via P-Asserted-Identity if it is unable to detect … Read more
Description Upgrading the product to the latest firmware version allows the expiration date of Grandstream-authorized certificates to be adjusted automatically. Even with the certificate expired, the communication between the phones and clients might not be secure or fully encrypted but the device will still function. Downloads GEN 1 (SHA256) GEN 2 (SHA384)
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
Description This article shows the steps on how to configure Google Authentication in Grandstream GWN Access Points. The Release Note has a typo in specifying the Oauth URL path. Add Test Users Known Issue You may hit Error 403: disallowed_useragent when trying to connect to SSID and authenticate with iPhone or iPad. This is a … Read more
Description This article describes the call flow of Attended Transfer initiated by Grandstream GXP2135. VoIP packets and the phone’s Syslog messages will be discussed in this article. Call Flow a. Ext. 1001 dials Ext. 1007 b. Ext. 1007 puts the call on hold with ext. 1001 by pressing the Attn Transfer button on the Call … Read more
Description Many users find it difficult to capture the Syslog from the phone or gateway devices when the issues are intermittent and difficult to replicate. Hence, you can install an external Syslog server on your machines that allow you to store and capture the phone’s Syslog the whole day. Requirements a. Windows b. Connect the … Read more
Description DNS SRV (Domain Name System Service Record) mode is a feature available in Grandstream IP phones that allows the phones to automatically discover and register with a SIP server using DNS SRV records. This article shows the example settings of DNS SRV Mode in Grandstream IP Phones.
More details: Grandstream Help Center
Overview Starting with firmware version 1.0.1.52, the Grandstream GRP261X series introduces the Remote Phonebook feature. This allows users to easily access and manage a centralized phonebook via an XML server. Configuration Steps
Background Issue We are connecting Hikvision camera DS2XM6726GO-IS/ND with GXV3500 decoder. However, we are getting blank or sometimes white screens on the DVR. What should I do? Facts GXV3500 is designed primarily to support Grandstream SIP Cameras. We do not guarantee compatibility with other vendors’ cameras. This is because of the different implementations of the H.264 codec … Read more