When you configure a E1/T1 trunk, you may need to configure some of the advanced settings. This reference describes all the settings on a E1/T1 trunk.
E1/T1 signaling type
Yeastar S100 and S300 supports the following ISDN signaling type, you can configure the trunk according to the information provided by your service provider.
E1/T1 trunk settings - PRI
The table below shows the settings for the E1/T1 trunk (PRI signaling type).
| Settings | Description |
|---|---|
| Basic Settings | |
| Name | Give this trunk a name to help you identify it. |
| Interface Type | Specify the interface type according to the trunk specification.
|
| Signaling | Specify the Signaling type PRI. |
| Framing | Select the frame format for this trunk according to the requirements of your country and carrier. The frame format of the PBX must be the same as that of the carrier. Otherwise, the link cannot be established.
|
| Line Code | Choose the line code for this trunk according to the direction provided by carrier.
|
| Codec | Choose the codec for this trunk.
|
| Echo Cancellation | This option enables or disables echo cancellation. Note: If an echo occurs during a call, you can enable echo cancellation. |
| D Channel | Set the channel used to carry control information and signaling information.
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| Switch Type | Configure the switch type according to the direction provided by carrier.
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| Signaling Role | Specify whether this interface will act like the user or the network.
If the service provider acts as the network, the PBX needs to be set as the user. If the service provider acts as the user, the PBX needs to be set as the network. |
| Overlap Dial | Define whether the system can dial this switch using overlap digits or not. If you need Direct Dial-in, then enable this option. |
| Advanced Settings | |
| Facility-based ISDN Supplementary Services | Decide whether to enable transmission of facility-based ISDN supplementary services (such as caller name from CPE over facility) or not. The default is checked. |
| Carrier Hangup Tone Detection |
|
| PRI Indication | Tells how the PBX should indicate busy and congestion to the switch/user. The default is "Out-of-Band".
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| Reset Interval (s) | This sets the time in seconds between restart of unused B channels. The default is "Never". Note: Set the interval to "Never" if you do not wish the channel to restart. |
| Enable DNIS | Dialed Number Identification Service is a telephone service that enables a company to identify which telephone number was dialed. Users could configure DNIS to allow the IP phones to display which trunk is passing the call. |
| DID Number | The DID number to associate with the trunk. This number is used to identify which line of the trunk is passing the call. |
| DNIS Name | Dialed Number Identification Service is a telephony service used to identify which telephone number was dialed. By enabling this service and configuring a name for this DNIS and the DID number, when a call reaches the configured DID number and the trunk, the name will be displayed on the ringing phone. |
| Dialplan | |
| Calling Party Numbering Plan | Select the Calling Party Numbering Plan. |
| Calling Party Numbering Type | Select the Calling Party Numbering Type. |
| Called Party Numbering Plan | Select the Calling Party Numbering Plan. |
| Called Party Numbering Type | Select the Called Party Numbering Type. |
| Presentation Indicator | The PI provides instructions on whether or not the provided calling line identity is allowed to be presented, or indicate that the number is not available. |
| Screen Indicator | The SI provides information on the source and the quality of the provided information. |
| ISDN Dialplan | Enable or disable the ISDN/telephony numbering plan (Recommendation E.164) |
| International Prefix | Dialplan: '(Called Party Numbering Plan: ISDN +)Called Party Numbering Type: International'. |
| National Prefix | Dialplan: '(Called Party Numbering Plan: ISDN +)Called Party Numbering Type: National'. |
| Local Prefix | Dialplan: '(Called Party Numbering Plan: ISDN +)Called Party Numbering Type: Subscriber'. |
| Private Prefix | Dialplan: 'Called Party Numbering Plan: private + Called Party Numbering Type: Subscriber'. |
| Unknown Prefix | Dialplan: '(Called Party Numbering Plan: ISDN +)Called Party Numbering Type: Unknown'. |
E1/T1 trunk settings - MFC/R2
The table below shows the settings for the E1/T1 trunk (MFC/R2 signaling type).
| Settings | Description |
|---|---|
| Basic Settings | |
| Name | Give this trunk a name to help you identify it. |
| Signaling | Specify the Signaling type MFC/R2. |
| Framing | Select the frame format for this trunk according to the requirements of your country and carrier. The frame format of the PBX must be the same as that of the carrier. Otherwise, the link cannot be established. Framing options are:
|
| Line Code | Choose the line code for this trunk according to the direction provided by carrier. Line Code options are:
|
| Echo Cancellation | This option enables or disables echo cancellation. Note: If an echo occurs during a call, you can enable echo cancellation. |
| Variant | Set the MFC/R2 variant.
|
| Category | Set the category of the calling party.
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| MAX DNIS | Max amount of DNIS to ask for. Note: If you wish to customize the size, enter the value in the text box directly. |
| Advanced Settings | |
| Enable DNIS | Dialed Number Identification Service is a telephone service that enables a company to identify which telephone number was dialed. Users could configure DNIS to allow the IP phones to display which trunk is passing the call. |
| DID Number | The DID number to associate with the trunk. This number is used to identify which line of the trunk is passing the call. |
| DNIS Name | Dialed Number Identification Service is a telephony service used to identify which telephone number was dialed. By enabling this service and configuring a name for this DNIS and the DID number, when a call reaches the configured DID number and the trunk, the name will be displayed on the ringing phone. |
| Forced Release | Enables or disables forced release of channel. Note: If the call can not be hanged up properly, check this options. |
| Immediate Accept | Most variants of MFC/R2 offer a way to go directly to the call accepted state, by passing the use of group B and II tones. This option enables or disables the use of that feature for incoming calls. The default is unchecked. |
| Double Answer | Block collect calls with double answer. This will cause that every answer signal is changed by answer -> clear back -> answer. The default is unchecked. |
| Charge Calls | Whether or not report to the other end "accept call with charge". |
| Allow Collect Calls | Specify whether to accept collect calls or not. |
| MF Back Timeout (ms) | MFC/R2 value in milliseconds for the MF timeout. |
| Metering Pulse Timeout (ms) | MFC/R2 value in milliseconds for the metering pulse timeout. Enter "-1" to use the value. |
| Incoming DTMF Mode | Specify the incoming DTMF mode. |
| Outgoing DTME Mode | Specify the outgoing DTMF mode. |
| First Number to Get | Choose which number to get first.
|
E1/T1 trunk settings - SS7
The table below shows the settings for the E1/T1 trunk (SS7 signaling type).
| Settings | Description |
|---|---|
| Basic Settings | |
| Name | Give this trunk a name to help you identify it. |
| Signaling | Specify the Signaling type SS7. |
| Framing | Select the frame format for this trunk according to the requirements of your country and carrier. The frame format of the PBX must be the same as that of the carrier. Otherwise, the link cannot be established. Framing options are:
|
| Line Code | Choose the line code for this trunk according to the direction provided by your carrier. Line Code options are:
|
| Codec | Choose the codec for this trunk. |
| Echo Cancellation | This option enables or disables echo cancellation. Note: If an echo occurs during a call, you can enable echo cancellation. |
| D Channel | Set the channel used to carry control information and signaling information. Enter a channel number from 1 to 31. |
| Variant | Set the SS7 variant.
|
| Linkset | Define SS7 linkset numbers. |
| Network indicator | Specify the network indicator according to the network environment. |
| SLC | Specify the Signal Linking Code. |
| OPC | Specify the Originating Point Code. This is generally assigned by your carrier. |
| DPC | Specify the Destination Point Code. This is generally assigned by your carrier. |
| Advanced Settings | |
| Enable DNIS | Dialed Number Identification Service is a telephone service that enables a company to identify which telephone number was dialed. Users could configure DNIS to allow the IP phones to display which trunk is passing the call. |
| DID Number | The DID number to associate with the trunk. This number is used to identify which line of the trunk is passing the call. |
| DNIS Name | Dialed Number Identification Service is a telephony service used to identify which telephone number was dialed. By enabling this service and configuring a name for this DNIS and the DID number, when a call reaches the configured DID number and the trunk, the name will be displayed on the ringing phone. |
| Start CIC No | Specify the Circuit Identification Code number of the first B channel of E1 line (SS7). Note: the suggested value is the multiples of 32 plus 1, for example: 1, 33, 65. |
| Calling Party Number Type | Specify the calling party number type.
|
| Called Party Number Type | Specify the calling party number type.
|
E1/T1 trunk settings - E&M
The table below shows the settings for the E1/T1 trunk (E&M signaling type).
| Settings | Description |
|---|---|
| Name | Give this trunk a name to help you identify it. |
| Interface Type | Specify the interface type according to the trunk specification.
|
| Signaling | Specify the Signaling type E&M. |
| Framing | Select the frame format for this trunk according to the requirements of your country and carrier. The frame format of the PBX must be the same as that of the carrier. Otherwise, the link cannot be established. Framing options are:
|
| Line Code | Choose the line code for this trunk according to the direction provided by your carrier. Line Code options are:
|
| Codec | Choose the codec for this trunk. |
| Echo Cancellation | This option enables or disables echo cancellation. Note: If an echo occurs during a call, you can enable echo cancellation. |
| Advanced Settings | |
| Enable DNIS | Dialed Number Identification Service is a telephone service that enables a company to identify which telephone number was dialed. Users could configure DNIS to allow the IP phones to display which trunk is passing the call. |
| DID Number | The DID number to associate with the trunk. This number is used to identify which line of the trunk is passing the call. |
| DNIS Name | Dialed Number Identification Service is a telephony service used to identify which telephone number was dialed. By enabling this service and configuring a name for this DNIS and the DID number, when a call reaches the configured DID number and the trunk, the name will be displayed on the ringing phone. |
Adapt Caller ID
The incoming caller ID that matches the adaptation pattern will be adapted, so that you can press the call record directly on your phone call back a number.
For more information, see Change Inbound Caller ID.
Navigation path: , edit a trunk on the Adapt Caller ID tab.
| Settings | Description |
|---|---|
| Patterns | The following characters have special meanings:
|
| Strip | Strip allows you to specify the number of digits that will be stripped from the front of the Caller ID before the call is displayed. For example, if the incoming Caller ID is 05929999999, but you need to dial number 5929999999 to call back, one digit should be stripped. |
| Prepend | These digits will be prepended to the Caller ID before the call is displayed. For example, if the incoming caller ID is 5929999999, but you need to dial digit 0 before the number to call back, 0 should be prepended. |