Dialogic 6.2 ユーザーズマニュアル

Failover Based on Telephony Cause Codes

November 2009

234

Gateway with 

responding SIP/H323 

and PSTN down (no 

PSTN cable connected)

H.323 1000

27

34

-

1000

1

1

17

-

Gateway with 

responding SIP/H.323 

and PSTN down due to 

an alarm

H.323 17

27

34

-

-

-

-

0

-

Gateway SIP/H.323 

channels exceeded

H.323 1000

34

1000

-

1000

63, 41 44

1000

-

Gateway PSTN 

channels exceeded

H.323  17

-

-

-

-

-

-

-

-

Gateway failure during 

an active call by 

disconnecting the 

PSTN cable

H.323 0

0

38

-

34

34

34

16

-

Gateway with 

responding SIP/H.323 

and PSTN up but not 

waiting for calls

H.323 17

27

34

-

44

44

44

41

-

Unreachable IP 

address

SIP

18

18

18

18

18

18

18

18

18

Reachable IP address 

with no SIP/H.323 

responds

SIP 

41

41

41

41

41

41

41

41

41

Gateway failure during 

an active call by 

disconnecting the 

network cable on 

SR140

SIP

41

41

41

41

41

41

41

41

41

Gateway failure during 

an active call by 

disconnecting the 

network cable on the 

gateway

SIP

18

18

18

18

18

18

18

18

18