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The SBC supports configuring surrogate registration information for a single IP Peer. 

The SBC also supports configuring multiple AoRs for the same IP-PBX using the surrogate registration profile (surrogateRegistrationProfile). Surrogate registration specific statistics are generated separately per surrogate AoR, as applicable, even if the statistics are associated with the same IP Peer. 

When configuring surrogate registration, only one of the following mutually exclusive parameters should be enabled at the IP Peer surrogateRegistration level depending upon the number of AoRs per IP Peer desired.

  • Only one AoR per IP Peer for surrogate registration—Configure only userPart at  the surrogate registration level. With this method, you cannot associate a surrRegprofile with this peer.
  • Multiple AoRs for IP Peer for surrogate registration—Associate more than one AoR to the same peer by configuring and attaching a surrRegprofile to the IP peer. When using this profile, you cannot configure userPart at the surrogate registration level.

A surrogate registration profile is added, modified and deleted as explained below.

Adding New Profile:

  1. Configure a new surrogate registration profile.
  2. Enter various AoR username and corresponding details in this profile.
  3. Attach this profile to given IP Peer.
  4. Optionally configure pacing time at IP Peer.
  5. Enable surrogate registration feature at IP Peer.
  6. The SBC starts sending register messages using a randomized timer (unless surrogateRegisterPacingTime is configured).

Modifying Existing Profile:

  1. Set AoR state to 'disabled'.
  2. Modify the configuration value of AoR.
  3. Set the AoR state to 'enabled'.

The modified configuration takes effect from the next register onwards for the given AoR.

Deleting Existing Profile:

  1. Disable the state in ipPeer->surrogate registration
  2. Admin will detach the profile from ipPeer.
  3. Now Admin can remove the profile.

As soon as admin will detach the profile from ipPeer, All the AoRs in profile will be que for De-registration. If profile is again attached, a fresh registration request will be queue. Here a point to consider is that register will happen after all the de-register requests due to detachment of profile are executed.


Surrogate Registration Profile Limitations

  • Configuration limitations: 
    • Up to 200 subscribers for each AoR
    • Up to 1,000 surrogate registration profiles system-wide 
    • Up to 256,000 AoRs for surrogate registration system-wide and 64,000 for AoRs in the SBC SWe: 

      • The maximum number on the SBC 7000 and SBC 5400 platforms is 256,000. (1,000 Surrogate Registration profiles, each supporting 256 surrogate AORs).

      • The maximum number on the SBC SWe platform is 64,000 per SCM instance, up to 256,000.

  • Subscriber numbers must be unique across the system.
  • Configure subscriber numbers using the same format as expected from the received call.
  • The SBC supports a registration rate of 100 registrations/second.


Refer to SBC Provisioning Limits for details regarding limitations.

Note

If the same AorUsername is configured on two different peers, AorUserName start and end range values for either peer should not fall within start and end range values of the other peer. 

Note
Do not attach a surrogate registration profile to more than one peer.
  


To View Surrogate Registration Profile

On the SBC main screen, go to All > Profiles > Services >  Surrogate Registration Profile.

The Surrogate Registration Profile window is displayed.

Figure 1: Profiles - Services - Surrogate Registration Profile

To Edit Surrogate Registration Profile

To edit any of the Surrogate Registration Profile in the list, click the radio button next to the specific Surrogate Registration Profile name.

The Edit Selected Surrogate Registration Profile window is displayed below.

Make the required changes and click Save at the right hand bottom of the panel to save the changes made.

To Create Surrogate Registration Profile

To create a new Surrogate Registration Profile, click New Surrogate Registration Profile tab on the Surrogate Registration Profile List panel.

The Create New Surrogate Registration Profile window is displayed.

The following fields are displayed:

Table 1: Surrogate Registration Profile Parameters

Parameter

Description

Name

Specifies the name of the Surrogate Registration Profile.

Note

The SBC supports a registration rate of 100 registrations/second.

To Delete Surrogate Registration Profile

To delete any of the created Surrogate Registration Profile, click the radio button next to the specific Surrogate Registration Profile which you want to delete.

Click Delete at the end of the highlighted row. A delete confirmation message appears seeking your decision.

Click Yes to remove the specific Surrogate Registration Profile from the list. A success message is displayed. 

Click Ok to complete the deletion process.



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