Failover Based on Telephony Cause Codes

Scenario

SR140

GnuGK

Alcatel

Avaya

SIP

Cisco

CCM6.01

CCM6.1

Quintum

IM1010

 

Protocol

 

 

 

Control

2821

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gateway with

SIP

-

41

-

41

1

1

1

17

41

responding SIP/H.323

 

 

 

 

 

 

 

 

 

 

and PSTN down (no

 

 

 

 

 

 

 

 

 

 

PSTN cable connected)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gateway with

SIP

-

41

-

-

-

-

-

-

41

responding SIP/H.323

 

 

 

 

 

 

 

 

 

 

and PSTN down due to

 

 

 

 

 

 

 

 

 

 

an alarm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gateway SIP/H.323

SIP

-

21

-

41

41

41

41

17

-

channels exceeded

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gateway PSTN

SIP

-

-

-

-

-

-

-

0

41

channels exceeded

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gateway failure during

SIP

-

0

-

16

16

16

16

16

16

an active call by

 

 

 

 

 

 

 

 

 

 

disconnecting the

 

 

 

 

 

 

 

 

 

 

PSTN cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gateway with

SIP

-

41

-

41

41

41

41

41

41

responding SIP/H.323

 

 

 

 

 

 

 

 

 

 

and PSTN up but not

 

 

 

 

 

 

 

 

 

 

waiting for calls

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

November 2009

235

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Image 235
Dialogic 6.2 manual November 235