Cisco SPA2102 - Call Forward Settings Section

ATA Voice Field Reference
User page
Cisco Small Business ATA Administration Guide 217
B
Call Forward Settings section
Cfwd All Dest Forward number for Call Forward All Service
In addition to normal call forward destination as used in the
other ATAs, on the SPA3102, you can specify the following
additional parameters:
gw0  forward the caller to use the PSTN gateway
<pstn-number>@gw0  forward to caller to the PSTN
number (dialed automatically by the SPlocalA through the
PSTN gateway)
The default is blank.
Cfwd Busy Dest Forward number for Call Forward Busy Service. Same as
Cfwd All Dest.
The default is blank.
Cfwd No Ans Dest Forward number for Call Forward No Answer Service.
Same as Cfwd All Dest.
In addition to normal call forward destination as used in the
other ATAs, on the SPA3102, you can specify the following
additional parameters:
gw0  forward the caller to use the PSTN gateway
<pstn-number>@gw0  forward to caller to the PSTN
number (dialed automatically by the SPA through the PSTN
gateway)
The default is blank.
Cfwd No Ans Delay Delay in sec before Call Forward No Answer triggers.
Same as Cfwd All Dest.
The default is 20.