Description A wake-up call refers to a service provided by hotels or accommodations to wake up guests at a specific time as per their request. It is a feature commonly found in hospitality management software or PMS (Property Management System) platforms. Wake-up calls are often used by guests who have early morning commitments or need … Read more
Description This article describes the best practices to free up the data partition in Grandstream IP PBX UCM to avoid abnormal behaviors such as call drops, delays, and slow performance. The UCM62XX or UCM6510 series has a config partition of only 200MB while the UCM630X series has a 500MB config partition. The data partition is … Read more
Description You may notice that the Grandstream UCM63XX series IP PBX is accessing certain IP addresses at all times from your router or firewall services. This article explains the purposes of these IP addresses. ifconfig.meIt is used in ip2location to query the location of an IP address during UCM system startup and download the language … Read more
Description In India, there are several telecom service providers that offer SIP trunking services to businesses and organizations. This article describes call establishment issues with Grandstream IP PBX UCM and SIP Trunks in India and suggested settings to resolve them. Case 1: Call drop due to 422 Session Interval too Small (BSNL) Figure 1: UCM’s … Read more
Description This article describes the steps by steps in syncing a local LDAP Phonebook to a remote SIP Peer trunk in Grandstream IP PBX UCM.
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
Description The Grandstream HA100 is a high availability IP PBX solution designed for small to medium-sized businesses. It allows for the creation of a redundant system with two Grandstream PBX UCM6510 that can automatically switch over to a secondary system in case of a primary system failure. It also supports automatic failover for SIP trunks … Read more
Description This article shows you the steps by steps on how to configure and troubleshoot Grandstream UCM’s Email Setting using a Gmail account. How-to 2. Go to PBX Settings –> Network Settings –> Basic Settings > DNS Server 1, enter Google DNS (for eg. 8.8.8.8), followed by Save and Apply. 3. Log in to your … Read more
Scenario Mass provisioning 100 units of GXP1628’s MPK setting via Grandstream UCM’s Zero Config Steps AT UCM 1. Go to UCM’s Web UI > Value Added Feature > Zero Config > Discover GXP1628 phone > Edit > MPK Setting > select Speed Dial > enter your description and value > click Save and Update. 2. … Read more
Scenario: If you are using Grandstream UCM as LDAP Server, you may find that that the contact names are not showing on the phones when you dial out, or on the incoming calls. There are some settings not covered in the LDAP Config guide. At the UCM Go to UCM Web UI > System Setting … Read more