Release 2.2 SP4.1 - An Overview of Features

FR6550 UUI Enhancement

Brief Description:

The UUI Format field is supported when interworking SS7 to SIP or SIP to SS7. Prior to software Release 2.2 SP4.1, the UUI message was always interworked using the binary format. With the introduction of FR6550 UUI Enhancement feature, the UUI message can now be interworked using the hexadecimal format as well. Refer to the links in the Related Topics section below for more information.

Related Topics:

UUI Support 

FR6661 APM Interworking and Voicemail System Interaction

Brief Description:

This feature adds the ability to set APM Interworking and includes additional functionality required to interact with a voicemail system. Refer to the links in the Related Topics section below for more information.

Related Topics:

SIP to SS7 ISUP Interworking

FR15896 Multi Level Precedence and Preemption (MLPP) SIP to ISUP

Brief Description:

This feature adds the ability to allow an authorized user the ability to specify a precedence level when making a call and preempt any existing calls that have a lower precedence level. Preemption allows important calls the ability to take precedence over less important calls. Precedence determines the level of importance of a call and makes the decision as to whether the call can be preempted or not. MLPP is now supported between SIP to ISUP. Refer to the links in the Related Topics section below for more information.

Related Topics:

Multi-Level Precedence and Preemption - MLPP

Channel Group

SIP Profile - Headers

FR19026 SIP to UK ISUP Calling Party Number Assertion

Brief Description:

This feature adds a new custom SIP header that can be used as an option to provide the ISUP call the number with which the Calling Party Number can be replaced. Refer to the links in the Related Topics section below for more information.

Related Topics:

SIP to SS7 ISUP Interworking

SIP to UK ISUP Interworking

FR19114 Preferred Network Port

Brief Description:

This feature adds the ability to set a preferred network port for automatic switchover when the configured network port becomes available. Refer to the links in the Related Topics section below for more information.

Related Topics:

IP Network Interface

Logical Interface

FR19282 Interwork ISDN DISC with Progress Indicator to SIP 183 with SDP

Brief Description:

This feature adds the functionality to interwork ISDN DISC with progress indicator to SIP 183 with SDP. Upon receiving ISDN DISC with progress indicator, 2020 IMG will complete the call setup then cut through to establish the early media session, in order to relay an audio announcement. Once the early media session is established, the call can be torn down by the ISDN side (after announcement has ended) or by the SIP side (hang up). No configuration is necessary since it is always enabled. Refer to the links in the Related Topics section below for more information.

Related Topics:

ISDN Overview 

FR19291 On Hold/Resume Support

Brief Description:

This feature adds the functionality to support On Hold/Resume (Hold/UnHold) while in early media as well as in connected state. In early media, SIP UPDATE method will be used. In connected state (after 200 OK INVITE), SIP UPDATE or SIP RE-INVITE methods can both be used. Media flow attributes can be used to put on hold and then resume a call. Refer to the links in the Related Topics section below for more information.

Related Topics:

SIP Profile - Advanced Settings

SIP Media Flow Attribute Support

FR19338 SIP Maximum Call Duration Support

Brief Description:

This feature adds the ability to configure the SIP maximum call duration. When the 2020 IMG receives an incoming call for a channel group that has the incoming IP Profile set with the SIP Maximum Call Duration field enabled, the call will be ended after the specified number of minutes specified in the SIP Maximum Call Duration Value field. Refer to the links in the Related Topics section below for more information.

Related Topics:

IP Profile

FR19367 SIP SDP Offer/Answer Negotiation Redesign

Brief Description:

This feature adds SIP SDP Offer/Answer negotiation design alignment with the specification detailed in RFC 3264. Backward compatible support is also retained. Refer to the links in the Related Topics section below for more information.

Related Topics:

SIP Codec Negotiation

SIP Profile - SGP 

FR19380 Implicit Mode for ISDN NFAS D-Channel Backup

Brief Description:

This feature adds support for ISDN NFAS D-Channel backup to include implicit mode. This will support the case when the interface identifier is not present and the D-Channel backup is used for signaling. Refer to the links in the Related Topics section below for more information.

Related Topics:

ISDN Overview 

FR19381 Play Treatment Support

Brief Description:

This feature adds the ability to play a treatment on an incoming or outgoing call for a channel group. This can be configured through the Incoming Treatment and Outgoing Treatment fields. Refer to the links in the Related Topics section below for more information.

Related Topics:

Channel Group

Route Table Element

Treatment Table