Call Features

Grandstream IP PBX UCM – Completion Request / Busy Camp-On

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Grandstream Call Completion Busy Camp on

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

Multicast Paging in Grandstream UCM IP PBX

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Description This page describes a simple simulation in configuring multicast paging in UCM and IP Phones. Steps: Go to UCM‘s Web UI > Call Features > Paging/Intercom > configure Multicast IP Address and its port. The IP range is from 224.0.1.0 – 238.255.255.255 2. Go to IP Phone > Setting > Multicast Paging > Listening … Read more