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VoIP Phones & PBX

Grandstream Networks UCM6100 / UCM6200 Series IP PBX — Default Password

Default username and password for the Grandstream Networks UCM6100 / UCM6200 Series IP PBX: admin / admin. Learn how to log in at 192.168.2.1 and how to change the default credentials.

Covers UCM6102, UCM6104, UCM6108, UCM6116, UCM6202, UCM6204, UCM6208. UCM6100 shipped with admin/admin; UCM6200 units manufactured after 2017 use a random password printed on the device sticker. Default management IP 192.168.2.1 on LAN2 port.

UsernamePasswordAccessVersion / firmwareNotes
admin
admin
Web UIUCM6100 series; UCM6200 manufactured before 2017Administrator. Post-2017 UCM6200 units use a unique random password on the device label.
Default IP
192.168.2.1
Source
Grandstream UCM6100 Series IP PBX User Manual

Responsible use

This database lists publicly documented default credentials so administrators can find and change them. Only use these on systems you own or are authorized to test.

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