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Digital Gateways

  • folder icon closed folder iconUser Manual
    • DGW-100XR User Manual
    • DGW-L1 User Manual
    • DGW-L20X User Manual
  • folder icon closed folder iconFunctions Guide
    • SNMP
    • How to configure PRI signalling
    • How to configure MFC/R2 signalling
    • How to configure SS7 signalling
    • How to use Auto Provisioning
    • How to use DID function with OpenVox T1/E1 Gateway
  • folder icon closed folder iconApplication Notes
    • OpenVox TR069 Technote
    • Digital Gateways Connect with Elastix
    • connect E1 gateway with elastix via sip trunk
  • folder icon closed folder iconFAQ
    • SNMP Guide on Digital gateway
    • Digital Gateway connect with 3CX
    • Digital Gateway connect with Issabel
    • Digital Gateway connect with Asterisk16.15.1
    • Digital Gateway connect with Openvox UC
    • Digital Gateway connect with Freepbx 15

Digital Gateways

  • folder icon closed folder iconUser Manual
    • DGW-100XR User Manual
    • DGW-L1 User Manual
    • DGW-L20X User Manual
  • folder icon closed folder iconFunctions Guide
    • SNMP
    • How to configure PRI signalling
    • How to configure MFC/R2 signalling
    • How to configure SS7 signalling
    • How to use Auto Provisioning
    • How to use DID function with OpenVox T1/E1 Gateway
  • folder icon closed folder iconApplication Notes
    • OpenVox TR069 Technote
    • Digital Gateways Connect with Elastix
    • connect E1 gateway with elastix via sip trunk
  • folder icon closed folder iconFAQ
    • SNMP Guide on Digital gateway
    • Digital Gateway connect with 3CX
    • Digital Gateway connect with Issabel
    • Digital Gateway connect with Asterisk16.15.1
    • Digital Gateway connect with Openvox UC
    • Digital Gateway connect with Freepbx 15

How to configure PRI signalling

Estimated reading: 5 minutes 45 views

Port Details

E1/T1 generic interface selection PRI (CPE side)
There is a crc4 (cyclic redundancy check) parameter on this page that needs to be noted. The parameter is turned off by default, and whether it is turned on or not needs to be confirmed with the docked carrier to be consistent.

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Settings Description
Timing Source Timing Source indicate the ports as to which should be used to recover the
clock.(0 for master mode, upper for client mode, small number have higher priority )
Interface Choose a line type for the interface.
Framing Select the frame format according to the country and operator (or peer) requirements. The frame format of the gateway must match that of the carrier (or peer), otherwise the link may not be able to establish the frame format of the trunk.

  • If the interface type is T1, the following two frame formats can be set:
    • ESF
    • D4
Coding Select the line code for the trunk according to the country and the carrier’s (or peer’s) requirements.

  • If the interface type is E1, the following two line codes can be set:
    • HDB3
    • AMI
  • If the interface type is T1, the following two line codes can be set:
    • B8ZS
    • AMI
Line Build-out The external cable represents the length of cable wire from this gateway’s port to the next device.
CRC4 Enable cyclic redundancy online error checking. In Europe CRC-4 needs to support all network switches, but many older switches and PBXs do not support it.
Signaling Show the signaling used by the port.
Switch Type Please set it according to the properties of the Carrier or Peer, and it should be the same conversion type.

  • If the interface type is T1, these switch type can be set:
    • EuroISDN
    • Q.SIG
  • If the interface type is E1, these switch type can be set:
    • National 2
    • National 1
    • Nortel DMS400
    • AT&T 4ess
    • Lucent 5ess
    • Q.SIG

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Settings Description
Q.SIG Channel Mapping Sets logical or physical channel mapping. In logical channel mapping, channels are mapped to 1-30.In physical channel mapping, channels are mapped to 1-15,17-31,skipping the number used for the data channel, Default is physical.
Enable Caller ID Whether or not to use caller ID
PRI Dial Plan for Dialed Number PRI Dialplan: The ISDN-levei Type of Number (TON) or numbering plan, used for the dialed number. Leaving this as ‘unknown’ (the default) works for most cases. In some very unusual circumstances, you may need to set this to; ’dynamic’ or ‘redundant’
PRI Dial Plan for Dialing Number PRI Local Dialplan: Only RARELY used for PRI(sets the calling number’s numbering plan).In North America, the typical use is sending the 10 digit; caller ID number and setting the prilocaldialplan to ‘national’ (the default).Only VERY rarely will you need to change this.
Network Specific Facility (NSF) Messages Some switches (AT&T especially) require network specific facility IE. Supported values are currently ‘none’,’sdn’,’ megacom’,’ tollfreemgacom’, ’ account’
Idle Bearer Reset Whether or not to reset unused B channels
Idle Bearer Reset Period Sets the time in seconds between restart of unused B channels; defaults to ‘never’
Display Send Send/receive ISDN display IE options, the display options are a comma separated list of the following options:

Block:

Do not pass display text data.

Name_ initial:

Use display text in SETUP/CONNECT messages as the party name.

Name_ update:

Use display text in other messages (NOTIFY/FACILITY)for COLP name update.

Name:

Combined name_ initial and name_ update options.

Text:

Pas any unused display text data as an arbitrary display message during a call. Sent text goes out in default to ‘name’

Display Receive Send/receive ISDN display IE options. The display options are a comma separated list of the following options:

Block:

Do not pass display text data.

Name_ initial:

Use display text in SETUP/CONNECT messages as the party name.

Name_ update:

Use display text in other messages (NOTIFY/FACILITY) for COLP name update.

Name:

Combined name_ initial and name_ update options.

Text:

Pas any unused display text data as an arbitrary display message during a call. Sent text goes out in default to ‘name’

Overlap Dialing Enable overlap dialing mode–sending overlap digits.
Allow Progress When Call Released Allow inband audio (progress) when a call is DISCONNECT Ted by the end of a PRI
Out-of-Band Indications PRI Out of band indications. Enable this to report Busy and congestion on a PRI using out_ of_ band notification. Inband indication, as used by the gateway doesn’t seem to work with all telcos.
Facility-based ISDN Supplementary Services To enable transmission of facility-based ISDN supplementary services (such as caller name form CPE over facility), enable this option. Cannot be changed on a reload.
Exclusive Channel Selection If you need to override the existing channels selection routine and force all PRI channels to be marked as exclusively selected, set this to yes. priexclusive cannot be changed on a reload.
Ignore Remote Hold Indications If you wish to ignore remote hold indications (and use MOH that is supplied over the B channel) enable this option.
Block Outbound Caller ID Name Enable if you need to hide just the name and the number for legacy PBX use. Only applies to PRI channels.
Wait for Caller ID Name Support caller ID on call waiting

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