Jaz ChyeSep 16, 20212 min readIssues encountered while configuring CLICK2CALL in UCM and how to resolve themWhile I was configuring CLICK2CALLwith UCM6302 in my environment, I encountered several issues, and I managed to fix them along the way....
Jaz ChyeSep 16, 20211 min readTroubleshooting with Faxes in Grandstream ATAsIn my previous post, I mentioned the pros and cons of T.38 fax. A major downside for T.38 faxing is that this protocol depends a lot on...
Jaz ChyeSep 16, 20213 min readSIP Fragmentation on UDPWhat is SIP Fragmentation? Every link on the internet has a Maximum Transfer Unit (MTU) size which determines the maximum size of a...
Jaz ChyeSep 16, 20211 min read401 Unauthorized Error in POSTMAN when used along with Grandstream's IP PBXPOSTMAN is a collaboration platform for API development. Postman's features simplify each step of building an API and streamline...