Description This article describes the steps to configure the PSTN lines in the Hunting Group with HT8X1 and Grandstream IP PBX UCM63XX. We use HT841 in this case. Steps 1.Configure a Peer Trunk between UCM63XX and HT841 following the steps in the guide 2.Connect PSTN lines to FXO ports of HT841 using RJ11. We use … Read more
Description This article describes the recommended settings in Grandstream IP Phones to avoid un-registration issues due to unstable network connectivity. Recommendations
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
Call Park Feature Call Parking is a feature that allows a person to put a call on hold on one phone and continue or pick up from another phone. It can be activated by pressing the programmable key on an IP Phone. It will transfer the call to an unused ‘Parking Lot’ extension. The callers who … Read more
Description This article describes the steps to configure Ring Simultaneously on the same extension range of Grandstream IP PBX UCM63XX and Analog PBX. Scenario I have an extension range (200-300) in Panasonic Analog PBX and Grandstream PBX UCM6301. They connect with a PRI Gateway GXW4501 through a SIP Peer Trunk and E1 cable. When someone … Read more
Description This article describes the instructions on how to upload 802.1x certificates in EAP-TLS mode with the Grandstream Android Video phone GXV3XXX series. Step 1: Navigate to Network Settings->Ethernet Settings->802.1X Mode > select EAP-TLS mode Step 2: Reboot the device after uploading certificates and it is filled with identity. Note: The users do not need … Read more
Description The Network Status of NAT Type: UDP blocked indicates that the Grandstream IP Phone device detects that the SIP port is not port forwarded. Suggestions Please note that STUN does not work with all the routers, especially with Symmetric NAT enabled, it is recommended to do manual port forwarding for the SIP and RTP … Read more
Description You can select Key Mode in Grandstream High-end Color GXP21XX series IP Phone under the VMPK settings. This article describes the scenarios in different key modes. When the phone is in Line Mode If there is a line button only for Account 1, pressing an Account 2 key causes the Account 1 line key … 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