Howto:SIP/ISDN signaling interworking: Difference between revisions
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New page: ==Applies To== This information applies to * all innovaphone products V6 sr2 or higher. <!-- Keywords: enter keywords, foreign translations and/or synoyms not appearing in the article h... |
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1. -> SIP/INVITE | 1. -> SIP/INVITE | ||
2. -> ISDN/SETUP | 2. -> ISDN/SETUP | ||
3. <- ISDN/ | 3. <- ISDN/DISCONNECT with cause 'user busy' and progress indicator | ||
4. <- SIP/183 Session Progress | 4. <- SIP/183 Session Progress | ||
| Line 24: | Line 24: | ||
6. <- SIP/200 OK | 6. <- SIP/200 OK | ||
7. -> ISDN/RELEASE | 7. -> ISDN/RELEASE | ||
8. <- SIP/487 Request | 8. <- SIP/487 Request Terminated | ||
9. -> SIP/ACK | 9. -> SIP/ACK | ||
</pre> | |||
==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 | |||
</pre> | |||
==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 | |||
</pre> | </pre> | ||
Latest revision as of 09:05, 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
Call to a busy PSTN user without inband information
1. -> SIP/INVITE 2. -> ISDN/SETUP 3. <- ISDN/RELEASE with cause 'user busy' 4. <- SIP/486 Busy Here 5. -> 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