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3CX SIP Trunk Setup
Tested Version - 16.0.3.676 on July 9, 2020 NOTE - DNS-SRV on 3CX versions 15.5.15502.6 and above correctly failover when the first DNS entry is unreachable, but the 3CX system will not recheck the first entry until the second DNS entry is ...
Grandstream UCM Add a SIP Trunk
UCM6102/UCM6104 - 1.0.16.20 firmware Note - Caller ID must follow the NPANXX standard. The area code (NPA) must be a valid area code and the NXX must be a valid NXX. If the caller ID is not valid, then calls will not route properly and will need to ...
Yeastar S-Series - Add a SIP Trunk
Tested on Yeastar S20 - Firmware – 30.11.0.28 Note - Caller ID must follow the NPANXX standard. The area code (NPA) must be a valid area code and the NXX must be a valid NXX. If the caller ID is not valid, then calls will not route properly and will ...
Grandstream GXW4501 Setup
Prerequisites SIP Trunk credentials Description This document describes how to link a legacy PBX (e.g. Nortel, Shoretel, Cisco, Avaya, etc...) to a Grandstream PRI Gateway, the gateway then connects to Unitedcloud via a SIP Trunk and can process ...
Grandstream HT81x Setup
Prerequisites Access to the HT81x webgui Office Manager or higher user scope Manual device credentials found here SIP Trunk credentials will require a partner account or support to assist. This KB will go over how to setup basic functionality of the ...