User manual

Grandstream Networks, Inc. GXP1100/1105 User Manual Page 14 of 34
Firmware version: 1.0.1.110 Last Updated: 01/2012
- The call will hang up automatically
*91 Cancel Busy Call Forward
- Pick up the handset
- Dial “*91”. A short tone will be heard
- Wait for the call to hang up
*92 Delayed Call Forward
- Pick up the handset
- Dial “*92” followed by forwarding number
- Press # or SEND key
- The call will hang up automatically
*93 Cancel Delayed Call Forward
- Pick up the handset
- Dial “*91”. A short tone will be heard
- Wait for the call to hang up