Grandstream UCM6510 User Manual - Manual (Page 237)

Firmware Version 1.0.2.5 UCM6510 IP PBX User Manual Page 236 of 313
Delay Before Callback
Configure the number of seconds to be delayed before calling back the
user.
Destination
Configure the destination which the callback will direct the caller to. Two
destinations are available:
• IVR
• DISA
The caller can then enter the desired number to dial out via UCM6510
trunk.