For detailed information about the appropriate description of the various supported CPUs and VMs, refer to
Terminology.
Overview
As indicated in the Level 4 Converter UI Hierarchy, you can provision the Level 4 Converter using the screens listed in the following table.
Level 4 Converter Provisioning Utilities
Base Configuration Screens
The following sections describe the Base Configuration screens.
General Configuration Screen
The following figure shows the General Configuration screen and the following table lists and describes the attributes on this screen.
General Configuration Screen
General Configuration Screen Attribute Listing and Description
Attribute | Description |
|---|
Active Peer ID | Read-only attribute that shows the active peer identifier as defined by the converter Layer Distribution Library (LDL) file. The converter LDL file (cvtr_ldl.conf) is located in the /opt/cpu_ss7gw/current/data directory (usually the Routing VM virtual slot number). |
Traffic Status | Read-only attribute that shows the traffic status; should only be inactive during the initial configuration of the converter system. Attribute values: |
ISUP Support | ISUP Support Attribute Values: |
SCCP Support | SCCP Support Attribute Values: |
BICC Support | BICC Support Attribute Values: |
Reregistration Timer | Interval at which the Level 4 Converter attempts reregistration at MTP for Route Mappings (in seconds) Attribute values: - 0 to disable reregistration
- 60 seconds (default)
|
Incoming App ID Precedence | Incoming App ID Precedence Precedence only applies if both associated Route Mappings for an MSU conversion contain an Incoming App ID. The chosen Incoming App ID is taken from the Routing Mapping corresponding with either the OPC or DPC as per this attribute. Attribute values: |
| Route Mapping Limit | L4 Cvtr max route mapping limit.This attribute limits the number of Route Mapping objects that may be created for each SS7 Variant. Attribute values: - Default 2000
- Valid range is 2000 to 4000
NOTE: This limit is set to 200 and is not modifiable in ANSI to ITU or ITU to ANSI variant conversion configurations. |
Debug Configuration Screen
The following figure shows the Debug Configuration screen and the following table lists and describes the attributes on this screen.
Debug Configuration Screen
Debug Configuration Screen Attribute Listing and Description
Attribute | Description |
|---|
Errors | If you set this attribute to LOGGED, the system logs to the debug log all the Level 4 Converter errors. It is recommended that you set this field to LOGGED for live systems. Attribute values: |
Setup Management | If you set this attribute to LOGGED, the system logs to the debug log all the Level 4 Converter setup information. It is recommended that you set this field to LOGGED for live systems. Attribute values: |
Execution Trace | If you set this attribute to LOGGED, the system logs to the debug log the complete execution trace during the processing of incoming traffic. It is recommended that you set this field to NOT LOGGED for live systems. Attribute values: |
Layer Communication | If you set this attribute to LOGGED, the system logs to the debug log events related to layer communication. It is recommended that you set this field to NOT LOGGED for live systems. Attribute values: |
Peer Management | If you set this attribute to LOGGED, the system logs to the debug log the Level 4 Converter inter-peer information. It is recommended that you set this field to NOT LOGGED for live systems. Attribute values: |
Message Content | If you set this attribute to LOGGED, the system logs to the debug log the MSU dump of incoming and outgoing traffic. It is recommended that you set this field to NOT LOGGED for live systems. Attribute values: |
Message Parsing | If you set this attribute to LOGGED, the system logs to the debug log the MSU decode output of incoming and outgoing traffic. It is recommended that you set this field to NOT LOGGED for live systems. Attribute values: |
| LDL Debug | Set this attribute to 2 or lower on all production systems, unless directed otherwise by support. The system performance may be impacted if this attribute is set to 3 or higher. The valid range is 0 (NOT LOGGED), 1 to 10. NOTE: This is only applicable to the DSC Platform. |
IP Variant Configuration Screen
The following figure shows the IP Variant Configuration screen and the following table lists and describes the attributes on this screen.
IP Variant Configuration Screen
IP Variant Configuration Screen Attribute Listing and Description
Attribute | Description |
|---|
IP Variant Configuration | Only present if the IP-SS7 configuration is not defined. Attribute value: |
IP Service Port | IP service port (IP-SS7 converter only). Signaling Gateway connection for User Application Protocol (UAP) management |
CPAM ID | CPA Message identifier (IP-SS7 converter only). Used to envelop an unsupported message sent to the IP application for Custom Pass Along (CPA) back to the SS7 network. Valid range is 0 to 255. |
CPAP ID | CPA parameter identifier (IP-SS7 converter only). Used to envelop an unsupported parameter sent to the IP application for Custom Pass Along (CPA) back to the SS7 network. Valid range is 0 to 255. |
CPAM ID | Only present in the IP-SS7 configuration. Custom Pass-Along Message (CPAM) identifier used to envelop an unsupported message sent to the IP application for CPA back to the SS7 network. |
CPAP ID | Only present in the IP-SS7 configuration. Custom Pass-Along Parameter (CPAP) identifier used to envelop an unsupported parameter sent to the IP application for CPA back to the SS7 network. |
SS7 Variant Configuration Screens
The following sections describe the SS7 Variant Configuration screens.
SS7 Variant Configuration Screen
The following figure shows the Converter SS7 Variant Configuration screen and the table lists and describes the attributes on this screen.
Converter SS7 Variant Configuration Screen
Converter SS7 Variant Configuration Screen Attribute Listing and Description
Attribute | Description |
|---|
Name | Name of the variant. |
| Network Appearance | Network Appearance of the SS7 Variant. Valid range is 1 to 99. |
SS7 Variant | Identifier of the variant (read-only; provided by MTP3) Attribute values include: - ANSI
- ITU
- CHINA
- JAPAN
- PAKISTAN
- NEW ZEALAND
- UNDEFINED
- and others
|
Network Indicator | Network indicator (NI) for the variant’s network (read-only; provided by MTP3). Attributes values are: - NI_00
- NI_01
- NI_10
- NI_11
- UNDEFINED
|
Connection Type | Connection type of the variant. - Attribute values are:
- SS7
- IP
|
Connection Status | Connection type status. Attribute values are: |
| ID | Unique identifier of the SS7 Variant. |
SS7 Variant Features Screen
The following figure shows the Converter SS7 Variant Features screen and the table lists and describes the attributes on this screen.
Converter SS7 Variant Features Screen
SS7 Variant Features Screen Attribute Listing and Description
Attribute | Description |
|---|
CPA Support | Sets the Custom Pass Along (CPA) support. Attribute values are: NOTE: This attribute is not supported for this release. The attribute is only applicable for IP-SS7. |
ISUP IAM CLD ST Mandatory | Sets the mandatory ISDN User Part (ISUP) Initial Address Message (IAM) called number (CLD) attribute Signal Terminate (ST) value. |
ISUP IAM CLG ST Mandatory | Sets the mandatory ISUP IAM CLG attribute ST value. |
SCCP CLD PC Conversion | If the incoming SCCP message Called Party Address parameter includes a point code but the conversion fails, the full message is discarded if this attribute is set to NO MATCH DISCARD. If this attribute is set to NO MATCH PC REMOVE, only the PC is removed. Attribute values are: - No Match Discard MSU
- No Match Discard PC
Default attribute value: |
SCCP CLG PC Conversion | If the incoming SCCP message Calling Party Address parameter includes a point code but the conversion fails, the full message is discarded if this attribute is set to NO MATCH DISCARD MSG. If this attribute is set to NO MATCH PC REMOVE, only the PC is removed. Attribute values are: - No Match Discard MSU
- No Match Discard PC
Default attribute value: NOTE: For GSM response routing, the Calling PC is often used to determine the destination. The Global System for Mobile Communication (GSM) responses must be routed based on GT to allow the removal of the PC from the CLG attribute. |
SCCP Relay Mate LPC | SCCP Relay Mate Local Point Code as per MTP3 C-link definition. To reset the point code to UNSET, set to -1. |
SCCP Relay Mate LPC | Sets the SCCP Relay Mate Local Point Code (LPC) as per MTP3 C-link definition. |
Route Mapping Configuration Screen
The following figure shows the Route Mapping Configuration screen and the table lists and describes the attributes on this screen.
Route Mapping Configuration Screen
Route Mapping Configuration Screen Attribute Listing and Description
Attribute | Description |
|---|
Home PC | Read-only attribute that shows the point code of a switch in the variant’s network. Displayed using the parent SS7 variant PC format. |
Home PC Secondary | Read-only attribute that shows the secondary point code of the home PC. For more information, refer to SCCP Relay Configuration. NOTE: If SCCP Relay is not defined in the SS7 variant, this attribute does not appear in the UI. |
Home PC Tertiary | Read-only attribute that shows the tertiary point code of the home PC. For more information, refer to SCCP Relay Configuration. NOTE: If SCCP Relay is not defined in the SS7 variant, this attribute does not appear in the UI. |
Mirror PC | Read-only attribute that shows the point code mirror of a switch in the other variant’s network. Displayed using the mirror (opposite) SS7 variant PC format. |
Incoming App ID | Incoming App ID for Gateway Screening. On creation, the attribute is defaulted to an empty string which disables the feature. Alphanumeric, dash, and underscore for a maximum of 16 characters including the terminating null. |
Mirror PC Secondary | Read-only attribute that shows the secondary point code mirror of a switch in the other variant’s network. For more information, refer to SCCP Relay Configuration. Displayed using the mirror (opposite) SS7 variant PC format. NOTE: If SCCP Relay is not defined in the SS7 variant, this attribute does not appear in the UI. |
Mirror PC Tertiary | Read-only attribute that shows the tertiary point code mirror of a switch in the other variant’s network. For more information, refer to SCCP Relay Configuration. Displayed using the mirror (opposite) SS7 variant PC format. NOTE: If SCCP Relay is not defined in the SS7 variant, this attribute does not appear in the UI. |
Description | Description of the route mapping object. |
Route Mapping Conversion (ANSI) Screen
The following figure shows the Route Mapping Conversion (ANSI) screen and the table lists and describes the attributes on this screen.
Route Mapping Conversion (ANSI) Screen
Route Mapping Conversion (ANSI) Screen
Attribute | Description |
|---|
ANSI Country Code | ANSI Country Code for ISUP Called Party conversion from ITU to ANSI. If enabled and international call (Nature of Address or NOA), add the country code of “1”. Attribute values: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ANSI CCR LPA Response | ANSI requires a loopback acknowledgement to a Continuity Check Request (CCR) message. Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ANSI CG Ack Broadcast | Incoming ANSI Circuit Group Acknowledge (CG Ack) message broadcast to all peers. If the second portion of the split CG is expected to be received as the same peer who received the first ack response, the feature can be disabled. Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ANSI CLD NOA | If this attribute is set to ENABLED, the incoming ITU CLD NOA is forced to 0x03 (national) if not included in the 0x01-0x04 range. Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ANSI CLG NOA | If this attribute is set to ENABLED, the incoming ITU CLG NOA is forced to 0x03 (national) if not included in the 0x01-0x04 range. Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ANSI FCI International | If this attribute is set to ENABLED, the incoming ITU Forward Call Indicator (FCI) incoming international call indicator is set to 1 (incoming international); else, the bit is set to 0 (not an incoming international call). Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ANSI Send Msg Twice | If this attribute is set to ENABLED, the incoming ITU Circuit Group Blocking (CGB), Circuit Group Unblocking (CGU), and Circuit Group Reset (GRS) converted message is sent twice to the ANSI network. Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ANSI CG 32 Support | If this attribute is set to ENABLED, the ANSI switch is assumed to support the full ITU 32 Circuit Identification Code (CIC) range instead of the traditional 24 ANSI range. No Custom Gateway (CG) Management is required to split incoming ITU CG queries in this setup. Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ANSI USI TMR Fallback | ANSI CPAP USI TMP fallback Management. Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
Route Mapping Conversion (ITU) Screen
The following figure shows the Route Mapping Conversion (ITU) screen and the table lists and describes the attributes on this screen.
Route Mapping Conversion (ITU) Screen
Attribute | Description |
|---|
ITU Country Code | If this attribute is set to a valid country code (CC, not 0), remove the given CC from the incoming ANSI and set NOA to 0x03 (national). If the given CC is not found, the NOA is set to 0x04 (international). Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ITU CLD NOA | If this attribute is set to ENABLED, the incoming ANSI CLD NOA is converted to 0x70 (unknown). Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ITU CLG NOA | If this attribute is set to ENABLED, the incoming ANSI CLG NOA is converted to 0x70 (unknown). Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ITU FCI International | If this attribute is set to ENABLED, the incoming ANSI FCI incoming international call indicator is set to 1 (incoming international); else, the bit is set to 0 (not an incoming international call). Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ITU Min CLD ANSI IAM | On receipt of ITU Initial Address Message (IAM) and Subsequent Address Message (SAM), if number of received ITU digits matches or exceeds the minimum, the signals are deemed complete and the pending ANSI IAM is converted. Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ITU Max Number of SAM | On receipt of ITU SAM messages, if the number of received ITU SAM messages matches or exceeds the maximum, the ANSI IAM is converted and no more SAM messages are expected. Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ITU SAM Overlap Timer | If pending extra digits to complete the ANSI IAM from ITU SAM messages, the ANSI IAM is converted at latest when the timer expires. Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
ITU USI Discard | User Service Information (USI) is optional in ITU. On incoming ANSI IAM, discard the USI if feature is enabled. Attribute values are: Default attribute value: NOTE: This attribute only appears in the UI in the ANSI to ITU converter. |
Message Rule Configuration Screen
The following figure shows the Message Rule Configuration screen and the table lists and describes the attributes on this screen.
Message Rule Configuration Screen
Message Rule Configuration Screen Attribute Listing and Description
Attribute | Description |
|---|
Message ID | Message identifier. |
Action | Message action. Attribute values are: - DISCARD
- PASS THRU
- PROCESS
- CPAM
|
Description | Message rule description. |
SI | Signaling Indicator (SI) for message (ISUP or SCCP). |
Parameter Rule Configuration Screen
The following figure shows the Parameter Rule Configuration screen and the table lists and describes the attributes on this screen.
Parameter Rule Configuration Screen
Parameter Rule Configuration Screen Attribute Listing and Description
Attribute | Description |
|---|
Parameter ID | Parameter identifier. |
Action | Parameter action. Attribute values are: - DISCARD
- PASS THRU
- CPAP
- PROCESS
|
Description | Parameter rule description. |
SI | Signaling Indicator for parameter (ISUP or SCCP). |
Level 4 Converter Statistics Configuration Screens
The following sections describe the Level 4 Converter Statistics Configuration screens.
Statistics Configuration Screen
The following figure shows the Converter Statistics Configuration screen and the table lists and describes the attributes on this screen.
Level 4 Converter Statistics Configuration Screen
Converter Statistics Configuration Screen Attribute Listing and Description
Attribute | Description |
|---|
Variant 1 Name | Name of variant 1. |
Variant 1 Received | Number of received Message Signaling Unit (MSU) from variant 1. |
Variant 1 Discarded | Number of discarded MSU from variant 1. |
Variant 1 Sent | Number of sent MSU from variant 1. |
Variant 1 Generated | Number of generated MSU from variant 1. |
Variant 2 Name | Name of variant 2. |
Variant 2 Received | Number of received MSUs from variant 2. |
Variant 2 Discarded | Number of discarded MSU from variant 2. |
Variant 2 Sent | Number of sent MSU from variant 2. |
Variant 2 Generated | Number of generated MSU from variant 2. |
Refresh Date | Date/Time from which the above counts were last updated. Use the Refresh All Stats action to update to the latest counts. |
Reset Date | Date/Time from which the above counts were last started or reset. Use the Reset All Stats action to reset the counts. |
Peer Statistics Configuration Screen
The following figure shows the Peer Statistics Configuration screen and the table lists and describes the attributes on this screen.
Peer Statistics Configuration Screen
Peer Statistics Configuration Screen Attribute Listing and Description
Attribute | Description |
|---|
Peer ID | Level 4 Converter LDL peer identifier. |
Variant 1 Name | Name of variant 1. |
Variant 1 Received | Number of received Message Signaling Unit (MSU) from variant 1 on this peer. |
Variant 1 Discarded | Number of discarded MSU from variant 1 on this peer. |
Variant 1 Sent | Number of sent MSU from variant 1 on this peer. |
Variant 1 Generated | Number of generated MSU from variant 1 on this peer. |
Variant 2 Name | Name of variant 2. |
Variant 2 Received | Number of received MSU from variant 2 on this peer. |
Variant 2 Discarded | Number of discarded MSU from variant 2 on this peer. |
Variant 2 Sent | Number of sent MSU from variant 2 on this peer. |
Variant 2 Generated | Number of generated MSU from variant 2 on this peer. |
Refresh Date | Date/Time from which the above counts were last updated. Use the Refresh All Stats action to update to the latest counts. |
Reset Date | Date/Time from which the above counts were last started or reset. Use the Reset All Stats action to reset the counts. |
