Conference bridge, Language settings for voice prompt, Voicemail – Grandstream UCM6510 User Manual User Manual
Page 5: Ring group, Paging and intercom group, Call queue, Extension groups, Pickup groups

Firmware Version 1.0.2.5
UCM6510 IP PBX User Manual
Page 4 of 313
CONFERENCE BRIDGE ......................................................................... 187
LANGUAGE SETTINGS FOR VOICE PROMPT .................................... 197
PAGING AND INTERCOM GROUP ........................................................ 211
EXTENSION GROUPS ............................................................................ 217