Installation guide
Table Of Contents
- About This Publication
- Document Revision History
- 1. Post-Release Developments
- 1.1 Service Update for Dialogic® System Release 6.1 CompactPCI for Windows®
- 1.2 PDK Support for Automatic Answer and Reject of Inbound Calls
- 1.3 Status Monitor Tool Support for 16 Span Boards
- 1.4 Improvement to Call Progress Analysis
- 1.5 Media Load Support for the Dialogic® DM/V1200A- 4E1-cPCI Board
- 1.6 Handling non-2xx Responses to T.38 Switch
- 1.7 Important Notice about System Release Update Installation
- 1.8 Media LAN Disconnection Alarm Notification for Dialogic® DM/IP Boards
- 1.9 Support for SFTP in Dialogic® Global Call SS7 Call Control Library
- 1.10 New Media Loads for Dialogic® DM/V4800BC Media Boards Using Special Coders
- 1.11 File Management Enhancements for DebugAngel Tool
- 1.12 File Management Enhancements for PDK Trace Tool
- 1.13 Configuring SIP Stack Parameters with Global Call
- 1.14 Disabling Automatic re-INVITE Message when Switching between Fax and Audio
- 1.15 IP Multicast Client Support
- 1.16 Troubleshooting Information for RTF Logs
- 1.17 Remote Diagnostics Package
- 1.18 Enhanced Diagnostics Tools
- 1.19 New QoS Alarms for RTCP and RTP Inactivity
- 1.20 New Operating System Support
- 1.21 Support for Compute Platforms
- 1.22 New Parameter for Adjusting Silence Threshold on Dialogic® DM3 Boards
- 1.23 File Management Enhancements for ISDNtrace Tool
- 1.24 New Media Loads for Dialogic® DM/V2400A-cPCI and DM/V4800BC Media Boards
- 1.25 Modified Alarm Events for Media LAN Disconnect
- 1.26 Enhancement to its_sysinfo Tool
- 1.27 Modify an Existing SIP Call Using re-INVITE for Dialogic® IPT Boards
- 1.28 PDK Log File Detection
- 1.29 Media Channel Reset Capability (Stuck IP Media Channel Recovery)
- 1.30 Dialogic® Global Call API Access to New H.323/Q.931 Message IEs
- 1.31 On-Demand Full Reset of Dialogic® DM3 Boards
- 1.32 New Dialogic® Diagnostics Management Console
- 1.33 New Runtime Trace Facility (RTF) Manager
- 1.34 Support for Reporting Billing Type
- 1.35 Runtime Control of Double Answer for R2MF
- 1.36 Additional Supported Operating System Security Updates
- 1.37 Media Channel Reset Capability (Stuck Channel Recovery)
- 1.38 Notification of Layer 1 Alarm Events on Dialogic® SS7 Boards
- 1.39 Dialogic® Global Call Support for Time Slots on Dialogic® SS7 Boards Running in DTI Mode
- 2. Release Issues
- 3. Documentation Updates
- 3.1 System Release Documentation Updates
- 3.2 Installation and Configuration Documentation Updates
- 3.2.1 Dialogic® System Release 6.1 CompactPCI for Windows® Software Installation Guide
- 3.2.2 Dialogic® DM3 Architecture for CompactPCI on Windows® Configuration Guide
- 3.2.3 Dialogic® IPT Series on Windows® Configuration Guide
- 3.2.4 Dialogic® Global Call Country Dependent Parameters (CDP) for PDK Protocols Configuration Guide
- 3.3 OA&M Documentation Updates
- 3.3.1 Dialogic® System Release 6.1 CompactPCI for Windows® Administration Guide
- 3.3.2 Dialogic® SNMP Agent Software for Windows® Administration Guide
- 3.3.3 Dialogic® System Software Diagnostics Guide
- 3.3.4 Dialogic® Board Management API Library Reference
- 3.3.5 Dialogic® Event Service API Programming Guide
- 3.3.6 Dialogic® Event Service API Library Reference
- 3.3.7 Dialogic® Native Configuration Manager API Programming Guide
- 3.3.8 Dialogic® Native Configuration Manager API Library Reference
- 3.4 Programming Libraries Documentation Updates
- 3.4.1 Dialogic® Audio Conferencing API Programming Guide
- 3.4.2 Dialogic® Audio Conferencing API Library Reference
- 3.4.3 Dialogic® Continuous Speech Processing API Programming Guide
- 3.4.4 Dialogic® Continuous Speech Processing API Library Reference
- 3.4.5 Dialogic® Digital Network Interface Software Reference
- 3.4.6 Dialogic® Fax Software Reference
- 3.4.7 Dialogic® Global Call API Programming Guide
- 3.4.8 Dialogic® Global Call API Library Reference
- 3.4.9 Dialogic® Global Call E1/T1 CAS/R2 Technology Guide
- 3.4.10 Dialogic® Global Call IP Technology Guide
- 3.4.11 Dialogic® Global Call ISDN Technology Guide
- 3.4.12 Dialogic® Global Call SS7 Technology Guide
- 3.4.13 Dialogic® IP Media Library API Programming Guide
- 3.4.14 Dialogic® IP Media Library API Library Reference
- 3.4.15 Dialogic® Modular Station Interface API Programming Guide
- 3.4.16 Dialogic® Modular Station Interface API Library Reference
- 3.4.17 Dialogic® Standard Runtime Library API Programming Guide
- 3.4.18 Dialogic® Standard Runtime Library API Library Reference
- 3.4.19 Dialogic® Voice API Programming Guide
- 3.4.20 Dialogic® Voice API Library Reference
- 3.5 Demonstration Software Documentation Updates
- 3.5.1 Dialogic® Continuous Speech Processing API Demo Guide
- 3.5.2 Dialogic® Global Call API Demo Guide
- 3.5.3 Dialogic® High Availability for Windows® Demo Guide
- 3.5.4 Dialogic® IP Gateway (Global Call) Demo Guide
- 3.5.5 Dialogic® IP Media Server (Global Call) Demo Guide
- 3.5.6 Dialogic® IP Media Gateway (IPML) Demo Guide
Dialogic
®
System Release 6.1 CompactPCI for Windows
®
Release Update 52
With the Service Update, the ability to disable/enable the sending of the automatic SIP re-
INVITE message upon media switch can now be configured with the Dialogic
®
Global Call
API to prevent this glare condition.
1.14.1 Feature Description
Overview of Use Case
A user application can enable and disable the unsolicited GCEV_EXTENSION notification
events associated with certain types of transition events, including media streaming
connection state changes. The application can receive notification of changes in the
status (connection and disconnection) of media streaming in the transmit and receive
directions as GC_EXTENSIONEVT events. The events for this notification must be
enabled by setting or adding the bitmask value EXTENSIONEVT_SIGNALING_STATUS
to the GC_EXTENSIONEVT mask. Events can be enabled on a per board basis (using
gc_SetConfigData( )) or on a per channel basis (using gc_SetUserInfo( )).
A user application needs to enable media streaming status
EXTENSIONEVT_STREAMING_STATUS to get notification of media transmit and
receive connected events before doing specific media tests just after another media test is
completed. This is particularly useful in back-to-back testing, because in live applications
there are other indications of media session events, e.g., fax CNG/CED tones, busy tone,
phone hang-up tone, etc., which are not available in back-to-back testing.
For example, consider two user applications where one makes an IP call to the other,
sends a fax (over IP), and after the fax session is completed, dials a string of DTMF digits
for the other side to detect. If the DTMF digits are dialed before the fax session completely
ends, the DTMF dial test will fail, since the media session has not switched from fax to
audio yet. In order for the application to know when to dial the DTMF digits it has to know
when the previous fax session has ended and the audio session has started. It knows this
when it receives an event indicating that the audio media stream is connected.
When working with the H.323 protocol, this functionality to detect the media switch is
sufficient for user applications. However for SIP protocols, when a fax to audio switch
occurs, both sides send a re-INVITE message to renegotiate the media session between
them, which causes a glare condition that drops the call. This is not an expected situation
for a user application.
A similar situation can occur when the media switches from audio to fax.
New Parameters to Disable/Enable Automatic re-INVITE Messages
In order to prevent this glare situation, new parameters are now available in Global Call to:
• prevent sending an automatic SIP re-INVITE when a switch from fax to audio media
occurs, or when a switch from audio to fax media occurs
• re-enable the sending of an automatic SIP re-INVITE when a switch from fax to audio
media occurs, or when a switch from audio to fax media occurs