Bugfixes:
- Introduces a short call cancellation on inbound ISDN calls through Sirrix cards in order to detect potential overlap dialing from the trunk line
- Outbound call numbers are now entirely internationalized based on the user's primary external number before a COR rule gets applied
- The resolution of inbound call numbers now also accounts for local area codes to broker calls between users in different local areas on one PBX
- The provisioned settings for Patton analog gateways have been reversed to the ones in version 5.3.0.9
- The status of function keys in the web interface gets refreshed reliably again
- E-mails will from now on be sent from the address set in the mail server administration. The user's address will only appear in the "ReplyTo" field
- Removes the cause for an Asterisk crash when processing SIP PUBLISH messages
- Removes irritating but harmless error messages in the error log