Section 7. H.323 and SIP Gateways
The main thing to remember about H.323 and SIP gateways is that they do not register with Cisco Unified Call Manager. All call routing must be configured locally on the gateway. Therefore, you must make sure the configuration on both ends is correct. For problem resolution, the issues are either network or configuration related.
H.323 Gateways
When checking the gateway using IOS, make sure that the required configuration is on the gateway and that the gateways have connectivity to the needed devices:
interface FastEthernet0/0 ip address 67.43.157.125 255.255.255.128 ip route-cache same-interface duplex auto speed auto h323-gateway voip interface --This command is mandatoryh323-gateway voip bind srcaddr 67.43.157.125 ...
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