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Key terms
Name - The Name name of the Trunk Grouptrunk group. Use a name term that describes the purpose of the Trunk Grouptrunk group. Consider appending -OC to the end of the name to indicate this is an Origination Customer Trunk Group.
Direction - Origination Trunk Groups represent a call from the PSTN to a Customer. An Origination Vendor Trunk Group defines the Inbound (A) Call Leg and an . An Origination Customer Trunk defines the Outbound (B) Call Leg.
Relationship - Trunk Groups groups with a Customer customer relationship are used to communicate with Customer the customer (as opposed to a PSTN Vendor).
External Name -
Tech Prefix -
Enable NAT -
Show On Graph (Favorite) - Selecting this This setting will make this Trunk Group makes this trunk group available in the Favorite Ports page on the Dashboard’s Overview section.
Ports - Defines the maximum number of sessions that is Trunk Group a trunk group supports. If there are no available ports, a SIP 503 Trunk Group Capacity Exceeded message will be returned returns to the Originorigin.
CPS - Defines the maximum call number of calls per second that this Trunk Group trunk group (i.e. all the combined trunks in the Trunk Group) can support. If the CPS is greater than the configured CPS value then , a SIP XXX YYY message is returned returns to the Vendorvendor. If this value is not configured then , the Platform CPS limit is used.
Max Call Duration - Defines the maximum duration in seconds for a call using this Trunk Grouptrunk group. Once this call duration is reached, the Orchestrator will send sends a SIP Bye message to both the A and B call legs. If this value is left blank, the Max Call Duration default defaults to 14,400 seconds (4 hours).
Max PDD - Defines the maximum Post Dial Delay. This is the amount of time from the receipt of a SIP Invite until the receipt of a of a provisional (SIP 18x) or final (SIP 200 OK) response to the SIP Invite. Once this time expires, a SIP XXX message is returned returns to the Vendorvendor. If this field is left blank the default of 15 seconds , a 15-second default is used.
Capacity Group- This drop-down field will include of includes a list of configured Capacity Groups that the Trunk Group can be a member of. Capacity Groups provide the ability to share a defined number of Ports and CPS among with one or more Trunk Groups trunk groups in a Relationshiprelationship.
B-Timer - Defines the amount of time allowed from the receipt of the SIP Invite to the receipt of a provisional response. If this timer expires, the Orchestrator tries the next available Trunk trunk in the Trunk Group will be triedtrunk group. If all available Trunks have been tried, a SIP 503 XXX message will be returned returns to the Originorigin.
P-Charge Info -
Send NPDI -
Send E.164 - This setting will ensure ensures that an all numbers in all relevant SIP headers are in an E.164 format. If not set, the leading + symbol will is not be used.
Send PAI - When enabled, the Orchestrator adds a P-Asserted Identity Header will be added to the appropriate outgoing SIP messages if it is it not present in the inbound message. XXX
Trunk Monitoring - When enabled, the Origination Customer Trunk Group will send sends SIP Option messages to all enabled trunks in the Trunk Group every 60 seconds. If a response to the SIP Option message is not provided or a SIP XXX or XXX response is provided, then the Trunk trunk is marked Inactive. An Inactive Trunk will is never be used for new calls. Once XXX consecutive SIP Option responses are returned, the Trunk will be trunk is marked as Active. This applies to IP / FQDN and SIP Registration based Trunk trunk members.
Time of Day Limit - When enabled, the Time of Day tab will be displayed displays in the Menu between Route Advance Logic and Triggers. This tab is used to determine what times determines when this trunk group is available during the week that this Trunk Group is available. Use this feature with caution on an Origination Customer Trunk Group as the feature effectively prevents calls to any number in the Trunk Grouptrunk group's associated Routing Plan during the hours outside of the configured Time of Day hours.
Preserve Caller ID - This setting will pass passes any configured Caller ID in the SIP message’s From header. If this setting is not enabled, no Caller ID will be is sent.
Enable Triggers -
Microsoft Enabled -
Ignore Privacy Header - XXX Houston we have a problem
Early Media - This setting will add adds an SDP to the provisional response (i.e. SIP 18x) if one was not none are present. This setting is rarely used on an Origination Trunk Group as most PSTN vendors provide Early Media in their provisional responses.
Bursting Threshold - When enabled, the Bursting Port value can be configured. This value is used to define defines the ports (sessions) that are available in the Trunk Group trunk group beyond the number of sessions the customer is typically paying for. For example, if the customer is paying for 100 ports but wants the ability to burst to 150 ports then , the Bursting Threshold should be set to 100, and the Ports field should be set to 150. The Bursting Report XXX identified all bursting calls.