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In this section:

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To View Sip Sig Port

On SBC main screen, go to Configuration > System Provisioning > Category: Base Provisioning > Signaling Ports > Sip Sig Port. The Sip Sig Port window is displayed.

Signaling Ports - Sip Sig Port

The Sip Sig Port can be checked for each Address Context or for each Zone or for all the Address Contexts and Zones created. Use the drop-down box to select the desired Address Context and Zone.

Sip Sig Port Main Field

To Edit Sip Sig Port

To edit any of the Sip Sig Ports in the list, click the radio button next to the specific Sip Sig Port name.

Sip Sig Port Highlighted

The Edit Selected Sip Sig Port window is displayed below.

Sip Sig Port Edit Window

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

To Create Sip Sig Port

To create a new Sip Sig Port, click New Sip sig Port tab on the Sip Sig Port List panel.

Sip Sig Port Fields

The Create New Sip Sig Port window is displayed.

Sip Sig Port Create Window

The following fields are displayed:

Sip Sig Port Parameters

Parameter


Description

Index

A unique profile identifier.

Mode

The operational state of the SIP Sig Port:

  • outofService
  • inService (default)

State

The administrative state of the SIP Signaling Port.

  • disabled (default)
  • enabled

IP Interface
Group Name

Select from the drop-down list.

IP Address V4

Specifies the V4 IP address in dotted decimal form (for example 10.11.12.0 24).

IP Address V6

Specifies the V6 IP address in hexadecimal/colon form (for example, fd00:21:445:128::7880 64).

Port Number

UDP/TCP port number of SIP Signaling Port (default is 5060).

Recorder

Administrative state of the SIP Signaling Recorder Port. The values are:

  • disabled (default)
  • enabled
Siprec

Specifies the administrative state of the SIP Signaling Recorder Port. Enable flag to use the port for recording using Siprec Protocol. The options are:

  • disabled (default)
  • enabled

The SIPRec feature is controlled by a system-wide SBC license (SBC-SIPREC). If the license is not available, any SIPRec recording returned by a PSX is ignored.

Note

Not applicable to the SBC Software Edition.

TCP Connect
Timeout

This object indicates the maximum time, in seconds, allowed for 

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to establish an outbound TCP connection.

This application level configuration has NO impact on any IP layer re-transmission of SYN.

DSCP Value

DSCP value (0-63) for packets from this SIP Signaling Port.

TLS Profile
Name

The name assigned to this Transport Layer Security (TLS) profile. Must be 1 - 23 characters.

Transport Protocols Allowed

The transport protocols allowed on this signaling port as follows:

  • sip-udp
  • sip-tcp
  • sip-tls-tcp
  • sip-sctp

The SBC supports only UDP towards the recording server.


Sctp Profile
Name

Specifies the name of the SCTP profile used for this Sip Signaling Port.

Tcp Keepalive TimerSpecifies the number of seconds a TCP connection remains idle before TCP Keep-alive probes are sent out. A value of "0" disables this parameter. The value ranges from 60 to 7200 seconds and the default value is 0. 
Tcp Keepalive IntervalSpecifies the number of seconds between TCP Keep-alive probes. The value ranges from 60 to 120 seconds and the default value is 60. 
Tcp Keepalive ProbesSpecifies the maximum number of TCP Keep-alive probes to send until SBC decides that the connection is broken. The value ranges from 1 to 20 and the default value is 2. 
Mask Portfor RCB

This flag is used to fetch the RCB value for a user, When this flag is enabled, the RCB value is fetched using only the source IP address and not the source port for generating the hashKey. The options are:

  • disabled (default)
  • enabled

The flag Mask Ip Addressfor RCB must be disabled to use this flag. Both flags cannot be enabled at the same time.


Mask Ip Addressfor RCB

This flag is used to fetch the RCB value for a user, When this flag is enabled, the RCB value is fetched using only the usingsource port and not the source IP address for generating hashKey. The options are:

  • disabled (default)
  • enabled

The flag Mask Portfor RCB must be disabled to use this flag. Both flags cannot be enabled at the same time.


Action

Use this object to specify a clearing action when the SIP Signaling Port goes out-of-service (OOS). Calls can be forcefully cleared or allowed to dry up in out-of-service mode.

  • Dryup – SBC starts the Dry Up Timeout timer indicating the time in minutes the calls are allowed to complete. Once the timer expires, ongoing calls are torn down gracefully.
  • Force (default) – Ongoing calls on the given signaling port are cleared immediately.

Dry Up Timeout

Dry Up Timeout flag is displayed when Action flag is selected as Dryup.

 

Use this parameter to specify the time (in minutes) until which existing calls are allowed to complete in out-of-service mode with dry up action. (range: 1-1440 / default = 60)

When Action = Dryup and Sip Sig Port goes OOS, SBC starts a dry up timer for the configured duration. The SBC exhibits the following behavior when the dry up mode is enabled:

  • Calls: All in-dialog messages are allowed, new INVITE messages are rejected with 503.
  • Registrations: All refresh REGISTER and de-REGISTER messages are allowed, new REGISTER messages are rejected with 503.
  • Out-Of-Dialog (OOD) relay messages: All new OOD messages are rejected with 503. However, in-dialog messages with-in REFER and SUBSCRIBE dialogs are allowed.

Once the dryup timer expires, SBC tears down ongoing calls and all ongoing SIP Registrations and non-call related dialogs are cleared internally. The SIP Signaling Port is then moved to OOS state where no SIP messages are admitted.

To Copy Sip Sig Port

To copy any of the created Sip Sig Port and to make any minor changes, click the radio button next to the specific Sip Sig Port to highlight the row.

Sip Sig Port Highlighted

Click Copy Sip Sig Port tab on the Sip Sig Port List panel.

Sip Sig Port Fields

The Copy Selected Sip Sig Port window is displayed along with the field details which can be edited.

Sip Sig Port Copy Window

Make the required changes to the required fields and click Save to save the changes. The copied Sip Sig Port is displayed at the bottom of the original Sip Sig Port in the Sip Sig Port List panel.

To Delete Sip Sig Port

To delete any of the created Sip Sig Port, click the radio button next to the specific Sip Sig Port which you want to delete.

Sip Sig Port Highlighted

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

Sip Sig Port Delete Confirmation

Click OK to remove the specific Sip Sig Port from the list.

 

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