Editing a trunk profile for a PRI gateway
To edit the trunk profile for a PRI gateway, perform this procedure.
Procedure steps
- In the GUI of the FortiVoice phone system, go to Trunk > Gateway.
- Double-click the profile that you want to edit.
- The following tables include details about the gateway settings (PRI gateway trunk options and PRI gateway span options):
PRI gateway trunk options
GUI field
Description
Trunk gateway
The name of the PRI gateway.
This field is read only.
Enable
Select to activate this trunk profile.
Type
The gateway type.
This field is read only.
Display name
Not required. You can leave this field empty.
Main number
Optionally, you can add a main number for reference. For example, you can use the number assigned by your service provider to identify the trunk.
Edit span
To edit settings of the PRI span, click Edit
.For details, see PRI gateway span options.
The FortiVoice Gateway GT01 has one PRI port with one span.
The FortiVoice Gateway GT02 has two PRI ports. Each PRI port has one span. By default, both spans are assigned to a single trunk.
Span
Make sure that the trunk profile is in the Selected list. If not, select the trunk profile in the Available list and click -> to move the trunk profile to the Selected list.
Gateway device
The device type for this profile.
Gateway SIP address
The SIP address of the PRI gateway.
Gateway SIP port
The SIP port of the PRI gateway.
Caller ID modification
Optionally, select the caller ID modification configuration. This choice changes the phone number, caller name, or both that display on the destination phone.
For more details, see the Modifying caller IDs section in the FortiVoice Phone System Administration Guide.
Description
Optionally, add notes for this trunk profile.
PRI gateway span options
GUI field
Description
Standard Options
Name
The name of this span.
This field is read only.
Type
Select PRI T1 or PRI E1.
Signaling
Select the PRI signaling:
- PRI signaling, CPE (customer premises equipment) side
- PRI signaling, network side
- PRI R2 signaling - For more details about additional settings, see the PRI R2 Setting section.
Advanced Options
Framing and coding options
Specify the type of framing and coding to provision the PRI with your PSTN service provider.
Clocking options
Select the clock synchronization option for the FortiVoice phone system:
- Clock sourcing from PSTN network
- Internal clocking source
This option setting does not need to match the one used by your PSTN service provider.
Receive sensitivity
Select the level of receiver sensitivity. This option allows the phone receiver to pick up the required level of phone signals and operate more efficiently.
This option setting does not need to match the one used by your PSTN service provider.
D-channel signaling format
Select a signaling method for the D channel.
This format carries the information needed to connect or disconnect calls and negotiate special calling parameters such as automatic number ID, call waiting, and data protocol.
The D channel can also carry packet-switched data using the X.25 protocol.
Line build out
Select the line build out (LBO).
Use LBO settings to adjust the output power of the transmission signal to achieve equal level point (ELP) at the DSX.
D-channel
Depending on your selection in Type, the default channel numbers are:
- Full T1: 24
- Full E1: 16
Make sure to configure this setting to match the one used by your PSTN service provider.
B-channel
Depending on your selection in Type, the default channel numbers are:
- Full T1: 1-23
- Full E1: 1-15, 17-31
You can also configure individual channels alongside channel ranges. For example, for T1/E1, the channels can be the following:
- 1-12
- 2, 3, 4, 9-15
- 2-4, 9-15
Make sure to configure this setting to match the one used by your PSTN service provider.
If you select PRI R2 signaling in the Signaling field, then this option is active.
The PRI gateway supports many localized implementations of R2 signaling because there is no R2 signaling standard.
Country
Select the country for PRI R2 signaling settings.
Max ANI digits
Telephone companies use the automatic number identification (ANI) to identify the directory number (DN) of a calling subscriber. This number allows subscribers to capture or display a caller's telephone number.
Enter the number of digits of a caller's phone number that the subscriber phone can capture or display.
Max DNIS digits
Telephone companies can provide a dialed number identification service (DNIS) that lets the receiver of a call know which number the caller has dialed.
Enter the number of digits of a dialed call that the FortiVoice phone system sends to the telephone company.
Caller category
Select the caller type.
Incoming digits mode
Consult your telephone company about which incoming digits mode to select.
DTMF options
DTMF dialing: To allow dual-tone multi-frequency (DTMF) signaling, select this option.
DTMF answering: To enable DTMF answering, select this option.
Allow collect calls
To allow a call to be billed to the called number, select this option.
- To save changes to the PRI gateway span (if applicable), click OK.
- To save changes to the PRI gateway trunk, click OK.
- Send the configuration changes to the PRI gateway by following the instructions in Applying the PRI gateway configuration.