Reference:Configuration/BRI/Protocol: Difference between revisions

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The signaling protocol for the ISDN interface is configured here.
The signaling '''protocol''' for the ISDN interface is configured here.


== Euro ISDN D-channel protocol: ==
== Euro ISDN D-channel protocol: ==
{|
|valign=top nowrap=true|'''EDSS1:'''
| This type of signalling has gained worldwide acceptance for ISDN subscribers and, despite the name, is also common outside Europe.
|}


* '''EDSS1:''' This type of signalling has gained worldwide acceptance for ISDN subscribers and, despite the name, is also common outside Europe.


== QSIG D-channel protocol: ==
== QSIG D-channel protocol: ==
This is a standardised signalling method that is mainly used to connect PBXs. Here, basic call and tunnelling are supported by the gateways. This allows, in particular, homogeneous PBX systems to be linked with QSIG (1 byte), in which manufacturer-specific properties are exchanged via QSIG.
This is a standardised signalling method that is mainly used to connect PBXs. Here, basic call and tunnelling are supported by the gateways. This allows, in particular, homogeneous PBX systems to be linked with QSIG (1 byte), in which manufacturer-specific properties are exchanged via QSIG.
Unfortunately, there are several variants of the QSIG standard and various implementations; some conform more and some less to the standard.
Unfortunately, there are several variants of the QSIG standard and various implementations; some conform more and some less to the standard.


The gateways therefore support two different variants.
The gateways therefore support two different variants.
* '''QSIG ECMA1:''' Numbering of the channels from 1-30 (2 bytes)
{|
* '''QSIG ECMA2:''' Numbering of the channels from 1-15, 17-21 (2 bytes)
|valign=top nowrap=true|'''QSIG ECMA1:'''
| Numbering of the channels from 1-30 (2 bytes)
|-
|valign=top nowrap=true|'''QSIG ECMA2:'''
| Numbering of the channels from 1-15, 17-21 (2 bytes)
|}
 


== NI D-channel protocol: ==
== NI D-channel protocol: ==
 
{|
* '''NI:''' USA (National ISDN 1)
|valign=top nowrap=true|'''NI:'''
* '''5ESS:''' USA (AT&T)
| USA (National ISDN 1)
* '''DMS100:''' USA (new standard)
|-
|valign=top nowrap=true|'''5ESS:'''
| USA (AT&T)
|-
|valign=top nowrap=true|'''DMS100:'''
| USA (new standard)
|}


== Mode: ==
== Mode: ==
 
{|
* '''Point-to-Point:''' Switches on the point-to-point connection.
|valign=top nowrap=true|'''Point-to-Point:'''
* '''Point-to-Multipoint:''' Switches on the point-to-multipoint connection.
| Switches on the point-to-point connection.
|-
|valign=top nowrap=true|'''Point-to-Multipoint:'''
| Switches on the point-to-multipoint connection.
|}

Revision as of 19:35, 11 April 2007

The signaling protocol for the ISDN interface is configured here.

Euro ISDN D-channel protocol:

EDSS1: This type of signalling has gained worldwide acceptance for ISDN subscribers and, despite the name, is also common outside Europe.


QSIG D-channel protocol:

This is a standardised signalling method that is mainly used to connect PBXs. Here, basic call and tunnelling are supported by the gateways. This allows, in particular, homogeneous PBX systems to be linked with QSIG (1 byte), in which manufacturer-specific properties are exchanged via QSIG. Unfortunately, there are several variants of the QSIG standard and various implementations; some conform more and some less to the standard.

The gateways therefore support two different variants.

QSIG ECMA1: Numbering of the channels from 1-30 (2 bytes)
QSIG ECMA2: Numbering of the channels from 1-15, 17-21 (2 bytes)


NI D-channel protocol:

NI: USA (National ISDN 1)
5ESS: USA (AT&T)
DMS100: USA (new standard)

Mode:

Point-to-Point: Switches on the point-to-point connection.
Point-to-Multipoint: Switches on the point-to-multipoint connection.
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