Skip to content
VoIP Phones & PBX

Grandstream Networks UCM6300 / UCM6510 IP PBX — Default Password

Default username and password for the Grandstream Networks UCM6300 / UCM6510 IP PBX: admin / admin. Learn how to log in and how to change the default credentials.

Older/earlier-production UCM6300/6510 units ship with admin/admin. Newer units (approximately post-2022) ship with a unique per-device password printed on the device label. Different from UCM6100/6200 series. Verify on device label for newer units.

UsernamePasswordAccessNotes
admin
admin
Web UIEarlier production units. Post-2022 units use per-device label password.
Source
vendor 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.

Related devices

VoIP Device
Grandstream Networks
UCM6100 / UCM6200 Series IP PBX
admin/adminWeb UI
VoIP Device
Grandstream Networks
GXP Series SIP IP Phone (GXP1600 / GXP2100 / GXP2130 / GXP2160 / GXP2170)
admin/adminWeb UI
Access Point
Grandstream Networks
GWN Series Enterprise Wi-Fi Access Point (GWN7660 / GWN7630 / GWN7605)
admin/adminWeb UI
Router
Grandstream Networks
GWN7000 Enterprise Multi-WAN Gigabit Router
admin/adminWeb UI
VoIP Device
Polycom VVX 500 (phone)
Default login
Admin/456Web UI
VoIP Device
Mitel
Default login
∅/∅Web UI