Getting Started
This document explains how Grandstream GDMS (Grandstream Device Management System) is used in environments where DIDforSale is the SIP trunking provider. It clearly distinguishes between:
SIP trunk configuration on a PBX either CloudUCM (recommended) or on‑prem UCM
SIP account provisioning directly to devices via GDMS UC (limited to only few Grandstream devices with no PBX level features)
The goal is to provide administrators with a clear, correct, and repeatable integration approach.
It covers:
SIP account creation at DIDforSale
SIP trunk setup in the Grandstream PBX via GDMS
Inbound & outbound routing
Prerequisites
Before beginning, gather these from your DIDforSale account:
SIP Domain / Server (example: lxy.didforsale.com)
SIP Username / ID (example: 100xxxxxxx)
SIP Password (provided by DIDforSale)
Assigned DID numbers for inbound calls and outbound caller ID
GDMS Account
CloudUCM or on‑prem UCM added to GDMS
Added Grandstream devices, supported by GDMS
For instruction on creating a SIP account with DIDForSale follow link below.
Creating SIP AccountLog In to Grandstream GDMS
Go to the GDMS dashboard: https://www.gdms.cloud/uc/dashboard
Log in with your admin credentials.
Your CloudUCM instance should already be visible in GDMS. If not, add it following the GDMS device onboarding process.
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