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This page describes the PRI Channel and contains instructions on how to add one to the VoipNow system.

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OptionDescription
Switch typeChoose the PRI switch type your PRI line is connected to. The default type is National. The other available values are dms100, 4ess, 5ess, EuroISDN, ni1, qsig.
Network specific facilitySome PRI switches (AT&T for example) require that you provide the network specific facility. The default value is none. Other values possible include sdn, megacom, accunet.
PRI dial plan (Rarely used!)

Rarely used. Controls the Type of Number (TON) and the Numbering Plan Index (NPI) associated with the called party information element. The values available are:

  • Unknown - The receiving switch will interpret the digits according to the standard used by the PSTN in that country. e.g. A switch in Sweden will interpret the number "00461234567" as the national Swedish number "1234567".
  • Private
  • Local
  • National - The receiving switch will interpret the digits as a national number (e.g. with an area code at the beginning); escape digits, such as leading zero for the area code are not interpreted.
  • International
  • Dynamic - The receiving switch will parse the dialed number and try to find a matching prefix in the settings international prefix, national prefix, local prefix, private prefix, unknown prefix.

Default value is National. This is the recipient of the call. This parameter is required only by a few types of PRI switches. If your switch does not require this parameter, it will simply be ignored.

PRI local dial plan (Rarely used!)

Rarely used. Controls the Type of Number (TON) and the Numbering Plan Index (NPI) associated with the calling party information element. The available values are:

  • Unknown - The receiving switch will interpret the digits according to the standard used by the PSTN in that country. e.g. A switch in Sweden will interpret the number "00461234567" as the national Swedish number "1234567".
  • Private
  • Local
  • National - The receiving switch will interpret the digits as a national number (e.g. with an area code at the beginning). Escape digits, like such as zero for the area code, are not interpreted.
  • International
  • Dynamic - The receiving switch will parse the dialed number and try to find a matching prefix in the settings international prefix, national prefix, local prefix, private prefix, unknown prefix.

Default value is National.

PRI callerID international prefixSpecifies the international prefix part of the dialed number. The default value is 00. Another example of a valid international prefix is +.
PRI callerID national prefixSpecifies the national prefix part of the dialed number. The default value is 0. Another example of a valid national prefix is +49.
PRI callerID local prefixSpecifies the local prefix part of the dialed number. This text box can be empty. Examples of valid local prefixes: 0711 or +49711.
PRI callerID private prefixSpecifies the private prefix part of the dialed number. This text box can be empty. Examples of valid private prefixes: 07115678 or +497115678.
PRI callerID unknown prefixThis text box can be empty.
PRI reset intervalSpecifies the time interval between resetting unused channels.
Default value is 3,600 s. Some PBXes have problems with channel resetting. In these cases, you can set the time interval to a larger value (e.g. 86,400 s).
Send overlap digitsSpecifies whether a dialed phone number's digits should be sent to the switch by using the overlap sending procedure or the en-bloc procedure. If set to Yes, overlap sending will be used.
Default value is Yes. The overlap sending procedure means that the system sends each dialed digit in its own ISDN information message. The en-bloc procedure means that all digits are sent in the same ISDN setup message.
PRI indicationsSpecifies the type of signaling used for indicating events such as busy and congestion. When the setting is In band, the system signals busy or congestion using in-band tones and does not answer. When the setting is Out of band, the system disconnects with busy or congestion information code and the switch will play the indication tones to the caller.
Force all PRI channels to be marked exclusively selectedIf set to Yes, the system will override the existing channels selection routine. As a result, all PRI channels will be marked as exclusively selected.

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Configure public phone numbers and DIDs

Configure the public phone numbers and DIDs as sent by the channel provider. Select the Set up the public phone numbers assigned to the channel checkbox. If you want to add the new channel without configuring the public phone numbers, deselect the Set up the public phone numbers assigned to the channel checkbox and click OK. For more info on how to add public phone numbers, check the Manage Public Numbers section.

Set channel costs

Set up the channel costs charged by the channel provider, based on the call destination. Select the Setup channel costs checkbox. You won't be able to do this unless you have defined a Paid charging plan in the Channel setup page. For more info on how to add channel costs, check the Add Channel Costs section.

Click OK to add the new channel. If you want to add the new channel without configuring its costs, deselect the Setup channelcosts checkbox and click OK to save the channel costs.

4psarelated
NameRelated Topics

Manage Channels

Manage Public Numbers

Manage Channel Costs


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