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
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 the 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 Packet capture Outbound CID Priority TO vs Request Headers The Request-Line and To headers show the DID used by the PBX, eg. 8887771234 is the DID, it is … 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 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 When working with the UCM630X series, you may encounter a warning message labeled “Pending Delivery.” in GDMS. It is important to understand what this means and how it affects your device management. What Does “Pending Delivery” Mean? The “Pending Delivery” status appears when you attempt to assign parameters or settings to an offline Grandstream … Read more
Description This article describes the error Failed to bind LDAP session when configuring Phonebook Download Configuration in Grandstream IPPBX UCM63XX. The example shown on the phonebook Download Configuration page is not up-to-date. To avoid the binding error in UCM63XX, make sure you fill in cn=admin,dc=pbx,dc=com in the Username field. Go back to the LDAP Phonebook … Read more
Description When clicking to Download Search Results at the CDR page, it returns an error {“response”: { “need_apply”: “no” }, “status”: -11 }. This message usually pops up when the card memory is full. When the USB or SD Card reaches a certain capacity, you click on any wav file (for eg. MoH), you will get … Read more
Description This article outlines common Analog and PSTN trunk issues encountered with Grandstream IP PBX UCM63XX/62XX/6510. It provides a list of suggestions to address various scenarios in customer setups. Issue 1: Noise or Echo Issue 2: Caller ID Not Showing or Displayed as 0000 Issue 3: FXO Port Status Not Displayed Correctly in Web Interface … Read more
Scenario I have two UCM62XXs at two locations with different extension number ranges:Location A: UCM6204 (extension range 1000) Location B: UCM6204 (extension range 2000). There is a VoIP Trunk connected in UCM A. Is it possible to make outbound calls from UCM B through UCM A’s VoIP Trunk and vice versa? How-to Inbound call The Service Provider has given the … Read more