Howto:SIP/ISDN signaling interworking: Difference between revisions
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===Treat ISDN/DISCONNECT like RELEASE=== | |||
To enable the gateway to treat a disconnect message with progress indicator (PI) like a release message, use the config option "No Inband Disconnect". | |||
<pre> | |||
1. -> SIP/INVITE | |||
2. -> ISDN/SETUP | |||
3. <- ISDN/CONNECT | |||
4. <- SIP/200/OK | |||
... | |||
5. <- ISDN/DISCONNECT with progress indicator | |||
6. <- SIP/BYE | |||
==Call to a busy PSTN user without inband information== | ==Call to a busy PSTN user without inband information== |
Revision as of 09:02, 6 October 2015
Applies To
This information applies to
- all innovaphone products
V6 sr2 or higher.
More Information
...
Call to a busy PSTN user with inband information provided by PSTN
1. -> SIP/INVITE 2. -> ISDN/SETUP 3. <- ISDN/DISCONNECT with cause 'user busy' and progress indicator 4. <- SIP/183 Session Progress Calling user hears the inband information provided by PSTN and terminates the call then. 5. -> SIP/CANCEL 6. <- SIP/200 OK 7. -> ISDN/RELEASE 8. <- SIP/487 Request Terminated 9. -> SIP/ACK
Treat ISDN/DISCONNECT like RELEASE
To enable the gateway to treat a disconnect message with progress indicator (PI) like a release message, use the config option "No Inband Disconnect".
1. -> SIP/INVITE 2. -> ISDN/SETUP 3. <- ISDN/CONNECT 4. <- SIP/200/OK ... 5. <- ISDN/DISCONNECT with progress indicator 6. <- SIP/BYE ==Call to a busy PSTN user without inband information== <pre> 1. -> SIP/INVITE 2. -> ISDN/SETUP 3. <- ISDN/RELEASE with cause 'user busy' 4. <- SIP/486 Busy Here 5. -> SIP/ACK