Examine the example output
hostname GW1 !
interface Ethernet 0/0 ip address 172.16.2.1 255.255.255.0 h323-gateway voip interface
h323-gateway voip id GK1-zone1 .abc.com abc.comipaddr172.16.2.2 h323-gateway voip h323-id GW1 h323-gateway voip bindsrcaddr172.16.2.1 !
dial-peer voice 1 voip destination-pattern 12.12… … .
session-targetras !
dial-peer voice 2 pots destination-pattern 2125551212 no register e164 !
end
Choose the command that will restore communication with gatekeeper functionality to this device.

A.
h323-gateway voip h323-id GK1

B.
gateway

C.
h323-gateway voip bindsrcaddr172.16.2.2

D.
h323-gateway voip GW1-zone2.abc.com abc.comipaddr172.16.2.1