# Configuring iPALIM

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Descriptions

iPALIM stands for “intelligent Private A-Link Intelligent Multiplexer”. This multiplexer functionally resides at the A-interface of the UltraWAVE Softswitch to enable the system to work as an Inter-Reach Office (IRO) Softswitch System to perform as a switch or as a BSC, depending on desired service and user type.

From the point of view of the iPALIM, private service and public service are provided by the IRO Softswitch:

•The private A-Link multiplexer recognizes the users that are eligible for private services and routes their calls to the IRO for local switching within the local UltraWAVE community.

•For the non-private (public) GSM mobile user, iPALIM routes calls to the PLMN MSC, bypassing the IRO. iPALIM allows the UltraWAVE IRO network to appear as a BSC to the PLMN MSC. The intelligent private A-link multiplexer is transparent to the user and the MSC. Moving into and out of the IRO is seamless to the public user.

Implementation

| Scenario - Enterprise Office

Item | Requirement
Business Model | PLMN operator offers IRO to an enterprise to improve the in-building coverage and provide PBX services.
User Type | Hybrid users only. All the enterprise staffs are customers of the PLMN (using PLMN’s SIM card).
Registration | Auto-registration. Company provides ‘recharge card numbers’ to employees for self activation.
Service Control | Free of charge (zero tariffs). Use COS to control the service privilege. Senior and Junior use different COS to get different services.
PSTN | Connect to local PSTN through the office PBX in ISDN.
Numbering Plan | Each employee gets a short number as his extension number.
Emergency Call | No local emergency center. Route all emergency calls to the PLMN.

Parameter Datafill (Example)

Parameters from Public Network
PLMN MSC Point Code | National 14bit PC =100
PLMN MCC + MNC | 240 + 02
IRO Point Code | National 14bit PC = 101
IRO LAC + Cell ID | 100 + 1
Parameters for Enterprise Network
CC + NDC | 66 + 755
OPPS E.164 Number | 66755900012
SMSC E.164 Number | 66755900004
IMSI Prefix for OPPS | 46003
Registration Hotline | 800
iPALIM User Number | 66755910000 - 66755919999
User Extension Number | 10000 - 19999

| Configure MTP3 Parameters

1.Go to EMS >Configuration >NSS >MTP3.

2.Make sure the System ID at the upper right corner displays MTP3(MSS_Pub), click the button.

1.Click the Link Set tab, and then click New at the bottom of the Linkset table.

2.In the Linkset ID box, select an available number for the new linkset, and then click the button.

3.In the Linkset Option window, configure the relevant parameters given in the following table.

4.Click the button to update parameters to application servers.

5.Click the button to activate the new created linkset.

Sub-parameter | Description (Click highlight SAVE after change) | Recommended Value
Network Indicator | Specify network type of the MSS. | National
DPC | Enter the Originating Point Code of PLMN MSC. | 100
Loopback Option | Enable or disable loopback function on this linkset. Enabled only for the MSC loopback linksets. | Disable
OPC Multiple | Not in use. | 0

1.Click the SG tab, and then click New at the bottom of the Signaling Gateway table.

2.In the SG ID box, select an available number for the new SG, and then click the button.

3.In the Signaling Gateway Option window, configure the relevant parameters given in the following table.

4.Click the button to update parameters to application servers.

5.Click the button to activate the new created signaling gateway.

Sub-parameter | Description (Click highlight SAVE after change) | Recommended Value
Application Mode | Select the application mode of the signaling gateway. | Server
Signaling Type | Specify the type of the signaling gateway. | M2UA
ACK Option | The ACK message must be sent if there is request from the peer. Otherwise, the ACK message should not be sent. | Allow
Remote IP | IP address of media gateway. | MG IP

1.Click the Link tab, and then click New at the bottom of the Link table.

2.In the Link ID box, select an available number for the new link, and then click the button.

3.In the Link Option window, configure the relevant parameters given in the following table.

4.Click the button to update parameters to application servers.

5.Click the button to activate the new created link.

Sub-parameter | Description (Click highlight SAVE after change) | Recommended Value
Link Type | Specify the signaling type of the link. | M2UA
Linkset ID | Enter the Linkset index number to assign this link to a linkset. | Linkset ID
SLC | Assign a Signaling Link Code to this link for identification. | 0
Host IP | Management server's IP of this link. | MSC0 = 172.18.98.1 MSC1 = 172.18.99.1
Alternative Host IP | Alternative management server's IP of this link for backup purpose.
SG ID | Enter the SG index number to assign this link to a signaling gateway. | SG ID
M2UA IID | Assign a M2UA Interface ID to this link for identification. | 0

6.Repeat Step 2 to 5 to add link 1.

Sub-parameter | Description (Click highlight SAVE after change) | Recommended Value
Link Type | Specify the signaling type of the link. | M2UA
Linkset ID | Enter the Linkset index number to assign this link to a linkset. | Linkset ID
SLC | Assign a Signaling Link Code to this link for identification. | 1
Host IP | Management server's IP of this link. | MSC1 = 172.18.99.1 MSC0 = 172.18.98.1
Alternative Host IP | Alternative management server's IP of this link for backup purpose.
SG ID | Enter the SG index number to assign this link to a signaling gateway. | SG ID
M2UA IID | Assign a M2UA Interface ID to this link for identification. | 1

1.Click the Nat Network tab.

2.In the upper table, configure the relevant parameters given in the following table.

3.Click the button to update parameters to application servers.

Sub-parameter | Description (Click highlight SAVE after change) | Recommended Value
Nat OPC | Originating Point Code of MSS. | 101
Nat PC Length | Length of Point Code. | 14-bit
Nat PC Type | Type of Point Code. | ITU

4.Click New at the bottom of the Nat Routing table.

5.In the Nat Routing ID box, select an available number for the new routing, and then click the button.

6.In the Routing Option window, configure the relevant parameters given in the following table.

7.Click the button to update parameters to application servers.

Sub-parameter | Description (Click highlight SAVE after change) | Recommended Value
DPC | Enter the unique point code of the PLMN MSC. | 101
Normal Linkset | Enter the Linkset index number configured previously. | Linkset ID
Alternative Linkset | Assign an Alternative Linkset to the PLMN. It will be activated when the Normal Linkset is unavailable. Set 128 to disable alternative linkset. | 128

| Configure SCCP Parameters

1.Go to EMS >Configuration >NSS >SCCP.

2.Make sure the System ID at the upper right corner displays SCCP(MSS_Pub), click the button.

1.Click the Local Node tab.

2.Click the hyperlinked index number of OPPS to open the OPPS Option window.

3.Configure the relevant parameters given in the following table.

4.Click the button to update parameters to application servers.

Sub-parameter | Description (Click highlight SAVE after change) | Recommended Value
Network Indicator | Specify the local node to a network. Choose the same network as MTP3 setting. | National
MSISDN | The E.164 node address of OPPS. | 66755900012
IP 0 | IP address of the local node server 0. | OPPS0 = 172.18.98.1
IP 1 | IP address of the local node server 1. | OPPS1 = 172.18.99.1

1.Click the GTT tab, and then click New at the bottom of the Globe Title Translate table.

2.In the GTT ID box, select an available number for the new entry, and then click the button.

3.In the GTT Option window, configure the following parameters to add IMSI range of OPPS subscribers.

4.Click the button to update parameters to application servers.

5.Repeat step 1 to 4 to add MSISDN range of iPALIM subscribers.

Sub-parameter | Description (Click highlight SAVE after change) | Recommended Value
Flag | Enable or disable this GTT item. | Enable
Number Plan | Describe which numbering plan will be used for the global title. The numbering plan chosen will aid the routing system in determining the correct network system to direct the message. | IMSI MSISDN
Translation Type | Translation examines the destination address and deciding how to identify it over the telephone network. | 0 80
Start GT Number | The start of the IMSI and MSISDN range of OPPS subscribers. | 460030000000000 66755910000
End GT Number | The end of the IMSI and MSISDN range of OPPS subscribers. | 460039999999999 66755919999
Network Indicator | Nature of Address Indicator. It indicates the scope of the address value. Choose the same network as MTP3 setting. | National
DPC | Point Code of IRO. | 101
SSN | Subsystem Number. For IMSI and MSISDN, specify SSN to 6. | 6
Route Indicator | For the connected network, select Route on GT. | Route on GT
Address Indicator | Contribution of SCCP Address. | GT+DPC+SSN
Replace Start Digit | The start digit of the GT number to be replaced. | 0
Replace End Digit | The end digit of the GT number to be replaced. | 0
Replacing Number Plan | The type of the number to be output. | N/A
Replacing Digits | Replace the selected GT number range with these digits. | N/A

| Configure iPALIM Parameters

1.Go to EMS >Configuration >NSS >iPALIM.

2.Click the button at the upper right corner.

1.On the System tab, configure the relevant parameters given in the following table.

2.Click the button to update parameters to application servers.

System Parameters | Description (Click highlight SAVE after change) | Recommended Value
PSTN Routing | Select the outgoing route for Hybrid user PSTN calls. •Local = Route PSTN calls to the MSC trunk group pointing towards PBX. •Remote = Route PSTN calls to the iPALIM trunk group pointing towards remote PLMN. | Local
Emergency Routing | Select the outgoing route for Hybrid and Private user emergency calls. •Local = Route emergency calls to the MSC trunk group pointing towards PBX. •Remote = Route emergency calls to the iPALIM trunk group pointing towards remote PLMN. | Remote
UES Flag | Enable or disable User Equipment Simulator function. It should be enabled to support iRLS function. | Disable
SMSC Address | E.164 local node of Short Message Center. | 66755900004
Idle Period to Purge | System purges Public users from iPALIM database when they have been idle for the amount of time. Unit = Hour. | 1
Public Exclusive | Allow or forbid Public users to login the local IRO. •Off = Allow •On = Forbid | Off
Private Exclusive | Allow or forbid Private users to login the local IRO. •Off = Allow •On = Forbid | Off
Hybrid Exclusive | Allow or forbid Hybrid users to login the local IRO. •Off = Allow •On = Forbid | Off
Hybrid Priority | Allow or forbid the Hybrid users to use private service when iPALIM A-interface link is failed. •Public = Forbid •Private = Allow | Private

1.Click Hotline Number tab, configure the relevant parameters given in the following table.

2.Click the button to update parameters to application servers.

Hotline Number | Description (Click highlight SAVE after change) | Recommended Value
Language 1 - 8 | Registration hotline number for Public user to self-create Hybrid user account in the IRO network coverage. | 800

1.Click the Media Gateway tab, and then click New at the bottom of the Media Gateway table.

2.In the MG ID box, select an available number for the new Media Gateway, and then click the button.

3.In the Media Gateway Option window, configure the relevant parameters given in the following table.

4.Click the button to update Media Gateway parameters to application servers.

5.Click the button to activate the new created Media Gateway.

MG Parameters | Description (Click highlight SAVE after change) | Recommended Value
Title | Specify an identifiable name to the Media Gateway. | PLMN-1
IP | IP address of this Media Gateway. | 172.18.98.1
Domain Name | Specify a domain name to the Media Gateway. | 172.18.98.1
Switching Mode | Select the switching mode of the specified Media Gateway. | MGCP
Endpoint | Specify the method of MGCP endpoint description. | Structured
Type | Select the type of MG endpoint. •AudioCodes = E1 connection via AudioCodes •iPALIM = IP connection to PLMN | iPALIM
Max Physical Ports | The total physical port number of the Media Gateway. | 1
Max Channels | The total channel number of the virtual MG. Applicable to virtual MG only. | 32
Packetization Period | The period over which encoded voice bits are collected for encapsulation in. | x20ms
Codec Type | Specify the codec type of the Media Gateway. | EFR
Audit Timer | The time interval between sending AUEP message from MGC to MGW to check the trunk status. | --

1.Click the Trunk Group tab, and then click New at the bottom of the Trunk Group table.

2.In the TG ID box, select an available number for the new Trunk Group, and then click the button.

3.In the Trunk Group Option window, configure the relevant parameters given in the following table.

4.Click the button to update Trunk Group parameters to application servers.

5.Click the button to activate the new created Trunk Group.

6.Click the hyperlinked number in the Trunk Entries to open the Trunk table.

7.Click New at the bottom of the Trunk table to add a Trunk.

8.In the Trunk ID box, click the button.

9.In the Trunk Option window, configure the relevant parameters given in the following table.

10.Click the button to update Trunk parameters to application servers.

11.Click the button to activate the new created Trunk.

12.Repeat Step 7 to 11 to add more trunks.

TG Parameters | Description (Click highlight SAVE after change) | Recommended Value
Title | Specify an identifiable name to the Trunk Group. | TG-1
OPC | Originating Point Code. Point Code of the local IRO network. | 101
DPC | Destination Point Code. Point Code of the remote PLMN network. | 100
Network Indicator | Specify the Trunk Group to one of the four networks. | Nat
Protocol Type | Select the protocol type for this Trunk Group. The default is AIF. | AIF
Circuit Selection Mode | Circuit selection mode of the traffic channel connections. The mode should be the same at each end of the Trunk Group. | Clockwise

Trunk Parameters | Description (Click highlight SAVE after change) | Recommended Value
Title | Specify an identifiable name to the Trunk. | Trunk-1
MG ID | Specify the Trunk to the Media Gateway which has been created in the preceding section. | MG ID
Port ID | Specify the Trunk to the physical port on the selected Media Gateway. | 0
Port Type | Specify the type of MG physical ports. | E1
Group ID | Select the application group for the Trunk. | Group 0
CIC Value Assignment | Specify the start CIC to the Trunk. | 0

1.Click the Location Area tab, and then click New at the bottom of the Location Area table.

2.In the Location Area ID box, click the button.

3.In the Location Area Option window, configure the relevant parameters given in the following table.

4.Click the button to update Location Area parameters to application servers.

5.Click the hyperlinked number in the Cell Entries to open the Cell table.

6.Click New at the bottom of the Cell table to add a Cell of IRO.

7.In the Cell ID box, click the button.

8.In the Cell Option window, configure the relevant parameters given in the following table.

9.Click the button to update Cell parameters to application servers.

10.Repeat Step 6 to 9 to add more cells.

Please note all LAC and Cell ID configured in the IRO MSC Location Area list must be created here.

LA Parameters | Description (Click highlight SAVE after change) | Recommended Value
LAC | Location Area Code. Assigned by PLMN operator. | 100
MCC | Mobile Country Code. Assigned by PLMN operator. | 240
MNC | Mobile Network Code. Assigned by PLMN operator. | 2

Cell Parameters | Description (Click highlight SAVE after change) | Recommended Value
Cell ID | Global Cell Identity defined in GSM 03.03. Assigned by PLMN operator. | 1
TG ID | Combine the routing Trunk Group with the specified cell. This TG was created in the preceding section. | TG ID

| Configure VLR Parameters

1.Go to EMS >Configuration >NSS >VLR.

2.Click the button at the upper right corner.

1.On the System tab, configure the relevant parameters given in the following table.

2.Click the button to update parameters to application servers.

VLR Parameters | Description (Click highlight SAVE after change) | Recommended Value
OPR Flag | Enable or disable OPR function. It should be enabled to support auto-registration service. | Enable
IMDX Flag | The IMDX function must be disabled to deploy iPALIM service. | Disable
IMSI Prefix for OPPS | Substitute the IMSI prefix (MCC+MNC) of the inbound Public users by the predefined pseudo IMSI prefix for HLR routing purpose. It should be different from the IMSI prefix of the local network or any other roaming partners' networks. | 46003

| Configure OPPS Parameters

1.Go to EMS >Configuration >NSS >OPPS.

2.Click the button at the upper right corner.

1.Click the OPR tab, configure the relevant parameters given in the following table.

2.Click the button to update parameters to application servers.

OPPS Parameters | Description | Recommended Value
COS ID | Specify a COS to the iPALIM users for private calls charging purpose. Class of Service (COS) is the basic entity used to define prepaid packages, and constitutes a major part of the prepaid service data. | COS ID
Auto-registration Flag | Enable or disable auto-registration service. | Enable
Auto-cleanup Threshold | The OPPS will send a warning alarm and clean up database by deleting the trial accounts when the OPR license utilization level reaches this threshold. | 0.50 - 0.99
Welcome SMS | Customize the text format in a welcome short message. It is sent to the user when he successfully registered to the iPALIM service and informs him his local phone number. | --
PLMN List Option | Allow or reject the mobile subscribers from the specific PLMNs to register to the local network. | Allow
PLMN List | List the allowed PLMN. | 24002

| Configure MSC Parameters

Refer to Connecting to PSTN to complete the following configuration: 1.Relevant configuration of PBX. 2.Relevant configuration of iPALIM private call routing: •Convert ‘unknown’ prefix 1 to ‘IDD’ prefix “6675591”, and point it to local BSC trunk group. •Assign LAC and Cell ID to local BSC and BTS.

| Configure XAPP Parameters

Complete the following steps to configure XAPP related parameters. After this configuration, the Hybrid users can send local short message by entering the shortened extension number (1xxxx) of the receiver, instead of entering his or her whole MSISDN number (6675591xxxx).

1.Go to EMS >Configuration >NSS >XAPP.

2.Click the button at the upper right corner.

1.Click the Prefix Manipulation tab, and then click New at the bottom of the Prefix Manipulation table.

2.In the Prefix ID box, select an available number for the new Prefix, and then click the button.

3.In the Prefix Manipulation Option window, configure the relevant parameters given in the following table.

4.Click the button to update Prefix Manipulation parameters to application servers.

Sub-parameter | Description | Recommended Value
Prefix | Hybrid users can send local short message by entering the shortened extension number (1xxxx) of the receiver. | 1
Deletion Count | The amount of digits to be deleted from the beginning of the service number. | 0
Insertion Count | The amount of digits to be inserted to the front of the service number. | 6
Inserted Digits | The digits to be added to the front of the service number. | 667559
Number Length | The length of the incoming service number. | 5

| Configure PPS Parameters

1.Go to EMS >Configuration >NSS >PPS.

2.Click the button at the upper right corner.

1.Click the SRF Parameters tab, and then click the Service Number sub-tab.

2.Enter 800 in PALIM Register Number field.

3.Click the button to update parameters to application servers.

Refer to Configuring Tariff to configure and activate the tariff for iPALIM users.

Refer to PPS parameter dictionary to configure the COS relevant parameters.

| Create OPPS Accounts for Auto-Registration

Refer to OPPS Subscriber to import a batch of OPPS subscribers for auto-registration

See Also

• Configure Local Switching

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