Grandstream Networks UCM series supports interconnecting Telstra NTU to work with Telstra Business SIP trunk service. Topology: To register Telstra Business SIP Trunk, we will…
Grandstream Networks GXW410x series is an FXO gateway that converts SIP/RTP IP calls to traditional PSTN calls and vice versa. FXO gateway is extremely useful…
180 Ringing and 183 Session Progress are two of the SIP responses that are related to SIP. Based on RFC3261, here are the definition of…
Least Cost Routing (LCR), is a process to find the most inexpensive way to route phone calls. It is the process of analyzing, selecting, and…
While I was configuring CLICK2CALLwith UCM6302 in my environment, I encountered several issues, and I managed to fix them along the way. I hope this…
CLICK2CALL is a popular feature in UC solutions that allow the users to make a call after they click an object (e.g., button, image, or…
By default, the capacity of the contact in the Grandstream GXV Series is limited to 1000 contacts. It’s possible to extend the limit by using…
UCM63XX only supports the new HTTPS API Setting, and no longer supports the old HTTPS API Setting. Although UCM API configuration does show how to…
Fax over IP (FoIP) is considered an essential feature in telephony solutions. In the past, people send faxes through fax machines using T.30, handled over…
I have recently come across a user who asked me the following questions – “How do I read the recordings file name in Grandstream UCM…