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Enterprise consists of multiple business locations and each business location is typically served by one of the following IP-PBX.
In SBC Core configuration, the major differences while interworking with an IP-PBX in registration and static modes are as follows:

  • In Static mode, it is not required to route the registration messages for IP-PBX.
  • In Registration mode, the route configuration to IP-PBX is not required as the SBC identifies the endpoints dynamically through registration messages.

Asterisk (star) indicates the fields are mandatory.

Prerequisite

You can use the default Address Context or create a new Address Context in the Navigator. Prerequisites for the workflow SIP Enterprise Access (Carrier-hosted IP-PBX) are:

  • Address context
  • IP Interface group
  • IP Interface

Workflow

This section provides a high-level understanding of SIP Enterprise Access (Enterprise-Hosted IP-PBX) Provisioning.

Figure : SIP Enterprise Access - Enterprise-Hosted IP-PBX - Workflow

 

SIP Enterprise Access (Enterprise-Hosted IP-PBX) Provisioning Flow

The following figure shows the provisioning flow of the SIP Enterprise Access (Enterprise-Hosted IP-PBX).

Step 1: Set up a Zone

Figure : SIP Enterprise Access - Enterprise Hosted 1

 

Perform the following tasks to set up the Zone.

  1. Select SIP Enterprise Access(Enterprise-Hosted IP-PBX) > Zone.
  2. In the Address Context drop-down list, select the address context.
  3. Select the Zone from the drop-down list.
  4. Click Next .
  5. To create a new Zone, click Create New Zone next to the Zone drop-down box, and enter the following details:
    • Zone Name
    • DNS Group
    • Zone Id
  6. Click Save.

For more information on creating a Zone, refer to System Provisioning - Zone.

 

Step 2: Add a SIP Trunk Group

Figure : SIP Enterprise Access - Enterprise Hosted 2

Perform the following procedure to add the SIP Trunk Group.

  1. Enter the SIP Trunk Group Name.
  2. Enter the details of the following:
    1. Policy
    2. Packet Outage
    3. Call Reservation
    4. CAC
    5. Services
    6. Media
    7. Call Routing
    8. Ingress IP Prefix
  3. Click Next .

The following dialog appears:

Figure : SIP Enterprise Access - Enterprise Hosted 3



Click Yes to add more SIP Trunk Group and click No to proceed.

Step 3: Add an IP Peer (Optional)

Figure : SIP Enterprise Access - Enterprise Hosted 4

 Perform the following procedure to add a IP Peer. It is optional.

  1. Expand IP Peer.
  2. Enter the IP Peer details.

You can skip this step, if not required.

Click Next  to proceed.

The following window appears:

Figure : SIP Enterprise Access - Enterprise Hosted 5

Click Yes to add more Ip Peers and click No to continue.

Step 4: Finish and Save

Figure : SIP Enterprise Access - Enterprise Hosted 6

Click Finish and Save. The result of this action is displayed.

Figure : Workflow - Result

 

Click OK to exit.

 

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