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Inbound Connections

Inbound Connections

Owned by Kyle W.
Apr 08, 2024
5 min read

Inbound Connections

  1. Click on the Add Connection button to proceed to the Inbound Connection settings

  2. An Inbound Connection configuration will allow your Portal to receive traffic from a customer trunk group and define any rules and options:

  3. Connection:

  1. To add a trunk group to an Inbound Connection:

    1. Define the SIP Protocol: UDP, TCP, TLS 1.0 or TLS 1.2

    2. Provide an IP address or FQDN, a port (default is 5060) and then click on Add Address

    3. If you have multiple Inbound trunk groups the trunk group Hunting Methods may be beneficial:

      1. Load Balance: instructs the Portal to balance traffic across the added Inbound trunk groups

      2. Weighted: instructs the Portal distribute calls according to a configurable weight

        1. To set Weighted order:

          1. Add a trunk group with Weighted selected from Hunting Method drop down list

          2. Click the grey Pencil icon and provide a distribution weight

            1. Provide a percentage value between 1-100

  1. Failover: instructs the Portal to switch to a redundant or standby trunk group upon the failure or abnormal termination of the previously active trunk group

    1. To set the Failover order:

      1. Add a trunk group with Failover selected from Hunting Method drop down list

      2. Click the grey Pencil icon in the Modify column and provide an failover order number

  1. Voice Service:

    1. Select a Service Plan from the Service Type drop down list for the Inbound Connection. A Service Plan contains a set of available ratesheets and routeplans provided by 46Labs from a swath of carriers.

 

  1. Options:

    1. NAT Traversal: enabling this option helps to improve security and decrease the number of IP addresses an organization needs

    2. Trunk Monitoring: a feature that if enabled checks to see if the trunks are alive and automatically uses other IP(s) based on their state. The Portal checks through option pings every 60 seconds.

    3. Number Format: enabling this option instructs the Portal to apply E.164 to the Inbound Connection (international standard that defines a numbering plan for the worldwide public switched telephone network (PSTN) and some other data networks)

    4. Tech Prefix: refers to the 4 digits you can use to differentiate between trunk groups using the same IP address, or just to differentiate between trunk groups for other reasons. Prefixes are specific to each Inbound or Outbound connection.

    5. Maximum Call Length (in seconds): calls which exceed this duration will be terminated

    6. No Ring Back Timeout (in seconds): the maximum amount of delay time between the time the call is dialed until it the caller hears ringing

    7. Concurrent Call Limit: the maximum number of ports that you want to assign to the Inbound Connection

    8. Calls per Second (CPS): the maximum number of Calls per Second that you want to assign to the Inbound Connection

    9. Send NDPI: the Number Portability Dip Indicator indicates that a query to the NPDB (Number Portability DataBase) has occurred and that the call should be routed using the phone number in the “rn” field (if present) instead of the original called number

    10. Preserve Caller ID: the CallerID part of the INVITE is stripped by default from the FROM field. If you enable Preserve Caller ID, then it will not be stripped

  1. Media Handling:

    1. Secure RTP: provides message authentication and integrity, encryption and replay attack protection to RTP data

    2. Dynamic Transcoding: allows for automatic switching to a different format or bitrate without compromising on the original quality

    3. Codec Limit: enabling this feature will display a list of available codes. Only those selected will be able allowed by the Portal for this Inbound Connection

  1. Performance Notifications (triggers):

    1. This feature will allow you to sample data and send notifications for performance metrics. Performance Notifications can be stacked on top of each other and multiple can be set for the same metric.

      1. To create a Performance Notification:

        1. Provide a Name

        2. Select a Type:

          1. Attempts

          2. Completions

          3. Minutes

          4. ASR

          5. ALOC - (Average Length of Conversation)

          6. Revenue

        3. Set a Condition:

          1. Equal

          2. Less Than

          3. Less Than Equal

          4. More Than

          5. More Than Equal

        4. Provide a triggering Value

        5. Set the Trigger Frequency or the amount of time in minutes that a Performance Notification trigger will reoccur

        6. Set a Time Frame:

          1. Always

          2. Custom

            1. Start Time

            2. End Time

            3. Select days of the week

        7. Click on Add Trigger

  1. Expert Settings:

    1. Signal Manipulation: refers to the ability to manipulate the ANI, DNIS, SIP Code or IP in the header using regular expressions (regex)

      1. To manipulate:

        1. Select a Header from the drop-down list

        2. Provide a string to match with in the Match field

        3. Provide a string to replace the matched string with within the Replace field

        4. Click the Add Manipulation button

    2. Route Advance: given a list of HTTP status codes, you can set up routing based on the responses received.