> For the complete documentation index, see [llms.txt](https://prosbcdocs.telcobridges.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prosbcdocs.telcobridges.com/tmedia-documentation/configuration/creating-an-isup-interface.md).

# Creating an ISUP Interface

> **Applies to:** Tmedia 3.0, 3.2, 3.3

The [ISUP](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/protocols/isup/README.md) interface creates a binding within the ISUP layer of a particular variant, a specific network, and an OPC/DPC pair to which circuits can be assigned. It contains the circuit identifier codes (CICs) within the ISUP user part. One interface is created for each similar grouping of CICs within one user part protocol variant.

After you have created an [ISUP](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/protocols/isup/README.md) user part, you must create one or more ISUP interfaces.

To create an ISUP interface:

1- Click **ISUP** in the navigation panel.

![CreateIsupStack 0](https://docs.telcobridges.com/w/images/7/71/CreateIsupStack_0.png)

2- Select the ISUP stack

![SelectIsupStack 0](https://docs.telcobridges.com/w/images/5/5f/SelectIsupStack_0.png)

3- Click **Create New Isup Interface** in the ISUP stack configuration window

![Create ISUP Interface 0](https://docs.telcobridges.com/w/images/b/b1/Create_ISUP_Interface_0.png)

4- Configure the new ISUP interface:

* Enter a **name** for the interface
* Select an **ISUP user part**
* Select an **ISUP network**
* Select a **trunk type**
* Select an **originating point code** (OPC)
* Select a **destination point code** (DPC)
* Click **Create**

![Create ISUP Interface 1](https://docs.telcobridges.com/w/images/9/9f/Create_ISUP_Interface_1.png)

5- Verify that the **"IsupInterface was successfully created"** message appears

![Create ISUP Interface 2](https://docs.telcobridges.com/w/images/3/3b/Create_ISUP_Interface_2.png)

**Path**

```
/configurations/@[configuration_name]/isup_stacks/@[isup_stack]/isup_interfaces/@[isup_interface]
```

**Parameters (text)**

```
/configurations/@[configuration_name]/isup_stacks/@[isup_stack]/isup_interfaces/@[isup_interface]
destination_point_code = "@[point_code]"
isup_network           = "@[isup_network]"
isup_userpart          = "@[isup_userpart]"
name                   = "@[isup_interface]"
origin_point_code      = "@[point_code]"

/configurations/tb_academy_demo_config/isup_stacks/ISUP_007443/isup_interfaces/@[isup_interface]/advanced_parameters
cic_validation_test_upon_resume = false
pause_action                    = "Clear transient"
sls_range                       = "5 bits"
sls_selector                    = "By CIC"

/configurations/tb_academy_demo_config/isup_stacks/ISUP_007443/isup_interfaces/@[isup_interface]/timers
dpc_status_query_timer = "15 seconds"
pause_timer            = "15 seconds"
t4_timer               = "5 minutes"
```

**Parameters (json)**

```
{
  "advanced_parameters" : {
    "cic_validation_test_upon_resume" : false,
    "pause_action" : "Clear transient",
    "sls_range" : "5 bits",
    "sls_selector" : "By CIC"
  },
  "destination_point_code" : "@[point_code]",
  "isup_network" : "@[isup_interface]",
  "isup_userpart" : "@[isup_userpart]",
  "name" : "@[isup_interface]",
  "origin_point_code" : "@[point_code]",
  "timers" : {
    "dpc_status_query_timer" : "15 seconds",
    "pause_timer" : "15 seconds",
    "t4_timer" : "5 minutes"
  }
}
```

### List of Parameters

* [Name](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/parameters/name/README.md)
* [ISUP User Part](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/parameters/isup-user-part/README.md)
* [ISUP Network](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/parameters/isup-network/README.md)
* [OPC](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/parameters/origin-point-code/README.md)
* [DPC](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/parameters/destination-point-code/README.md)

**Timers**

* [T4 Timer](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/parameters/isupnetwork-t4-timer/README.md)
* [Pause Timer](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/parameters/pause-timer/README.md)
* [DPC Status Query Timer](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/parameters/dpc-status-query-timer/README.md)

**Advanced Parameters**

* [Pause Action](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/parameters/pause-action/README.md)
* [Available Test](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/parameters/available-test/README.md)
* [Sls Selector](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/parameters/sls-selector/README.md)
* [Sls Range](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/parameters/sls-range/README.md)


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