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Parameter

Description
Calling number screening This field is visible only if Call Agent signaling type is set to ISDN PRI or SIP. Specifies whether the calling number provided by the PBX on outgoing calls is used as the calling party number and/or charge number. This field does not apply if both the Calling party number and Charge number fields are specified; the configured numbers always take precedence. Choose Use default or specify a value:
  • No screening
    Use the number supplied by the PBX, whatever the number is.
  • Valid format (North America only)
    Use the number provided by the PBX if it meets the standard North American 10 digit format.
  • Owned DN
    Use the number provided by the PBX if it matches the PBX's Directory number, a number in one of the PBX's DID Range objects, or one of the PBX's DISA Number objects.
  • Ignore provided number
    Never use the number provided by the PBX.
Maximum call appearances The maximum number of simultaneous call branches in which the PBX can participate. This field appears, and must be supplied, only if Number status is set to Normal, Ported to, or Non-geographic and Call Agent signaling type is set to SIP.
Number Validation and routing attributes Attributes used to determine how a call made by the subscriber is routed to the network. This field appears only if Number status is set to Normal, Ported to, or Non-geographic. Choose Use default or, if required, select one or more of the following values:
  • Pre-paid / off-switch calling card subscriber
    The subscriber uses a pre-paid or off-switch calling card service. The NE must check with an external pre-paid billing platform before routing the call, to ensure that the subscriber is permitted to make this type of call (local, long-distance, international etc.)
  • Fax / modem subscriber
    The subscriber can make fax or modem calls (for which compression should not be used) in addition to standard voice calls. This attribute is typically used to route calls for this subscriber over TDM trunks (such as ISUP) in preference to SIP trunks.
  • Nomadic subscriber
    The subscriber uses VoIP service and may do so from multiple locations. This attribute is typically used to route emergency (911) calls from this subscriber to a VoIP Emergency Call Services system that can provide details of the subscriber's current location.
Service suspended Specifies whether service for this subscriber is currently suspended (the subscriber is prevented from making or receiving calls). This field appears only if Number status is set to Normal, Ported to, or Non-geographic. Values:
  • None
    Service is not suspended: the customer can make and receive calls as normal.
  • Incoming calls
    The subscriber is prevented from receiving incoming calls, except that he or she can still receive calls from the operator.
  • Outgoing calls
    The subscriber is prevented from making calls, except that he or she can still make calls to emergency services or to the designated suspended service access number.
  • Incoming and outgoing calls
    The subscriber is prevented from making or receiving any calls, except for calls to emergency services or to the designated suspended service access number.
Force LNP lookup This field is used to force an LNP lookup for a particular subscriber. This is typically only used when a ported subscriber is moving. During the period where the subscriber number is configured as active on two switches, the number portability database is the definitive reference for which number is active. The typical sequence used for porting a subscriber is as follows.
  • Set force LNP lookup flag on original subscriber record
  • Create new subscriber record on recipient switch, also setting force LNP lookup flag
  • Update LNP database at time when line is to be moved.
  • Clear force LNP lookup flag on new subscriber record.
  • Delete old subscriber record or mark it as "Reserved, ported out" as required.
This field is valid only when Number Status is set to Normal, Ported to, or Non-geographic. Choose Use default or specify a value:
  • True
  • False
Line Traffic Study Specifies whether this line should have statistics for line traffic usage recorded. Values:
  • True
  • False
Line Class Code 1 - 20 This field appears once for each Line Class Code that you have configured below the Trunk Routing and Policy Services object. The field name for each code appears as LCC n - description (showing the index value in the range 1-20 and the configured description, if any). A Line Class Code is used as a match attribute in number validation and/or routing to provide additional options for routing calls originating from this subscriber. If you need to perform specific routing for this subscriber's calls, set this field to a value used as a match value for the Line Class Code in the appropriate Number Validation Entry or Routing Action. Specify the Line Class Code as an integer value in the range 0 - 2147483646. Alternatively, if one or more valid values have been configured in the Line Class Code object, you can select a specific value from the list of valid values by clicking on the ellipsis symbol at the end of the field. Either scroll down the alphabetic list of code value descriptions to select the value you want, or type the first few letters of the code's description so that the alphabetic list scrolls to select the entry you want.
Locale The language variant used for voice announcements played to this subscriber. Values:
  • English (US)
  • English (UK)
  • English (Canadian)
  • User Defined 1
  • User Defined 2
Long distance carrier The long distance carrier ID (PIC1) used by default for this subscriber. This field appears only if Number status is set to Normal, Ported to, or Non-geographic. Choose Use default or specify the carrier ID as a 4-digit number.
Local carrier The local carrier ID (PIC2) used by default for this subscriber. This field appears only if Number status is set to Normal, Ported to, or Non-geographic. Choose Use default or specify the carrier ID as a 4-digit number.
International carrier The international carrier ID (PIC3) used by default for this subscriber. This field appears only if Number status is set to Normal, Ported to, or Non-geographic. Choose Use default or specify the carrier ID as a 4-digit number.
Calling party number The 10-digit number, if any, to be sent in signaling messages for this subscriber in place of the subscriber's directory number (for example, if the directory number corresponds to an outgoing-only line and should be replaced by the number of another line that accepts incoming calls).
Line selection method This field appears only if Call Agent signaling type is set to Analog line/T1 CAS. Specifies the order in which the NE allocates lines for incoming calls to the PBX. This should be different from the order used by the PBX itself to allocate lines for outgoing calls, to minimize glare. Values:
  • Lowest available
    Use the lowest-numbered line that is free.
  • Highest available
    Use the highest-numbered line that is free.
  • Least recently used
    Use the line that has been free for the longest period of time.
Dialtone supported (pre-R4.0) This field has no effect when used on an NE which is running V4.0 or later. This field appears only if Call Agent signaling type is set to Analog line/T1 CAS. Specifies the types of line for which the PBX provides dialtone to the caller. If this option is not selected, the MetaSwitch NE provides dialtone on lines of that type. If required, select the following value:
  • E & M wink start
Ringback supported (pre-R4.0) This field has no effect when used on an NE which is running V4.0 or later. Specifies whether the PBX provides audible ringing tone to the caller. Values:
  • True
    The PBX provides ringback.
  • False
    The switch must provide the audible ringing tone, and the call is not cut through to the PBX until it is answered.
This parameter is ignored if the PBX Lines use ISDN signaling over an ISDN Primary Rate Interface that is configured to support ringback. The switch provides ringback only if neither the PBX nor the ISDN PRI supports it.
Fix bits A series of options that control the details of how the MetaSwitch NE interoperates with the PBX. If required, select one or more of the following values:
  • 10 digit max ANI
    The PBX supports a maximum ANI length of 10 digits. If this fix bit is set and a calling number is longer than 10 digits, no ANI parameter is sent to the PBX. If the fix bit is not set, the ANI parameter is sent regardless of its length.
  • Always 10 digit ANI
    The ANI sent to the PBX must be 10 digits. If this fix bit is set and a calling number is shorter than 10 digits, the NE pads it with zeros. If the fix bit is not set, the ANI parameter is sent unchanged regardless of its length.
ANI / DNIS format This field appears only if Call Agent signaling type is set to Analog line/T1 CAS. The format of ANI and DNIS digits outpulsed to the PBX, identifying the calling number and/or the PBX Line for which the call is intended. This is a string of the format prefixDNISseparatorANIsuffix or prefixANIseparatorDNISsuffix. The default is *ANI*DNIS*.
  • Each of prefix, separator and suffix is a string of 1 - 5 digits, or may be omitted. The valid digits are 0 - 9, * and #.
  • At least one of ANI and DNIS must be included.
  • No other characters (for example spaces used as separators) are valid.
Deliver ISDN User Provided Number on emergency call This field appears only if Call Agent signaling type is set to ISDN PRI. Specifies whether to use an ISDN User Provided Number or the subscriber's directory number when connecting an emergency call. Values:
  • True
    If an ISDN User Provided Number is available, send this as the calling number when connecting the call.
  • False
    Remove the ISDN User Provided Number and send the subscriber's directory number instead.