Description This article illustrates the scenario when the caller requests Call Completion when called party is busy with Grandstream IP PBX UCM6XXX. You may refer to the complete guide here. By default, when the Call Waiting feature is disabled at the Extensions and IP Phones, the Call Completion request works only on unanswered or timeout … Read more
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
Description This article describes how to set up the captive portal feature on the GWN76XX series using Public RADIUS authentication by idBlender. This is useful when you do not have the environment to install a separate server for testing and troubleshooting purposes. Step-by-step Go here to create an Wifi username and password 2. Click ‘Test … Read more
Scenario/Test Steps 1. ISP (TATA) VoIP trunk has 100 DIDs and DODs. Configure the SIP Register trunk in UCM A. The SIP Trunk number (pilot number) is 68010200. 2. UCM A and UCM B are connected via Peer Trunk. Keep Trunk CID, Keep Original CID, and Caller ID disabled in Peer Trunks. 3. UCM B has … Read more
Description This article explains P-Preferred-Identity (PPI) Header in UCM’s INVITE message when UCM forwards the call from the extension to an external or mobile number. Test Steps Configure a VoIP Trunk Go to Advanced Setting and enable Send PPI Header and set PPI Mode to ‘DOD Number’ Configure DOD number: ddd9955 and DOD Name: DDD9955 at … Read more
Description Call forward makes the remote working solutions more efficient and ensures continuity of business operation. This article describes the settings required to allow the forwarding of the original Caller ID of external numbers in Grandstream IP PBX UCM. 1. Make sure that the UCM has the latest firmware version 2. Make sure the following settings … Read more
Description Ghost calls will usually affect the phone level. You may find it annoying by getting authorized calls. You can increase the security on the affected phone by setting the following parameter to YES in Grandstream IP Phones – GXP16XX/17XX/21XX and HT8XX ATAs models. Validate Incoming Messages Check SIP User ID for Incoming INVITE Accept … Read more
Description This article describes the configuration steps on how to enable SFTP Data Sync in Grandstream IP PBX UCM with MAC OS. Step 1: Follow this guide to enable SFTP and allow File Sharing in your Macbook Step 2 Navigate to UCM’s Web UI > Maintenance > Backup > Data Sync and enter SFTP’s Administrator … Read more
Description ‘Pending Delivery’ indicates that the changes on the settings are not pushed to the UCM630X series successfully via GDMS. When you try to assign parameters to the offline UCM, it will display ‘Pending Delivery’. When UCM is back online, the pending parameters will be re-assigned to the UCM. Make sure that TR069 is allowed. The users … Read more
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