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1Call Signaling Configuration Objects
 

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Diameter Signaling Controls

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1Diameter Signaling Control Parameters
 
Parameter
Length/Range
Description
addSonusSpecificAVP N/A

Enable flag to send additional CDR information within Sonus vendor-specific Attribute Value Pairs (AVPs) in Accounting-Request (ACR) messages over the existing Rf Interface.

  • disabled (default)
  • enabled
Info

See Rf Interface for AVP details.


defaultCCFUp to 32 characters<ip address> (default = 0.0.0.0) –  Specify the IP address to use as the default CCF realm configuration if CCF is not received in the PCFA.
enableRfAppN/A

Use this flag to enable the Rf Accounting application at the system level to send accounting information over Rf Interface. See Rf Interface for feature details.

  • disabled (default)
  • enabled
generateFailedEventAcr N/A

Enable flag to prevent failed call ACR event from being sent.

  • disabled (default)
  • enabled
maxACRretransmission0-3Specify the maximum number of ACR retransmissions to use if SBC does not receive ACA (default = 3).
rfInterimAccInrvl0-180

Use this parameter to specify the interim account interval value to send when no interval is received in ACA. Set value to “0” to not send interim record (default = 30).

Note

If ACA has a different value than rfInterimAccInrvl, this parameter is overwritten.

Gateway Signaling Timers

This object allows you to configure the signaling timers for the gateway.

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1Global Gateway Signaling Timers Parameters
 

Parameter

Length/Range

Description

congRelDelay

N/A

Amount of time (in seconds) that a call which is rejected due to congestion will be delayed before the release is issued. (default = 0).

displaylevel

1-64

To display different levels of output information in show commands.

establish

N/A

The Gateway Signal Channel Establishment Timer (in seconds.) This value applies to all signal channels. (default = 10).

idle

N/A

Amount of time (in hours) a GW Signaling Link May be idle before it is taken down. (default = 0).

keepalive

N/A

The Gateway Signal Channel Keep-alive Timer (in seconds.) This value applies to all signal channels. (default = 3).

retry

N/A

Amount of time (in minutes) the SBC will continue to attempt to recover a GW Signaling Link as long as there are stable calls up. (default = 60).

displaylevel

1-64

To display different levels of output information in show commands.

H.323 Signaling Timers

This object allows you to configure signaling timers for the node.

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1Global H.323 Signaling Timers Parameters
 

Parameter

Length/Range

Description

establish

0-127

The H225 signal channel establishment timer (in seconds). Default value is 4.

t301

0-65535

The T301 call timer (in seconds). Default value is 180 seconds.

t302

0-127

The T302 call timer (in seconds). Default value is 15 seconds.

t303

0-127

The T303 call timer (in seconds). Default value is 4 seconds.

t304

0-127

The T304 call timer (in seconds). Default value is 20 seconds.

t310

0-127

The T310 call timer (in seconds). Default value is 10 seconds.

tcpConnect

0-127

The TCP connect timer (in seconds). Default value is 3 seconds.

Command Example

To display the global configuration of all h323SigTimers:

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1Global SIP Peer Overload Control Parameters
 

Parameter

Length/Range

Description

discardPeriod

1-10

Discard period (in seconds) for the Peer Overload back-off algorithm. (default = 2).

rejectThreshold

0-50

Specifies the reject threshold (in rejects/sec) for the Peer Overload backoff algorithm. (default = 1).

samplingPeriod

1-10

Specifies the sampling period (in seconds) for the Peer Overload back-off algorithm. (default = 2).

stepDownGain

1-200

Specifies the step down gain for the Peer Overload back-off algorithm. (default = 100).

displaylevel

1-64

To display different levels of output information in show commands.

Command Example

To display the global configuration of all SIP overload control:

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0Table
1Global SIP Signaling Control Parameters
 

Parameter

Length/Range

Description

egressRNParam

N/A

The egress RN parameter. Specifies whether the 

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sends a Redirecting Number Information Element (RNIE) in the egress leg of the call per RFC3398 when the R-URI and the To header differ.

  • disabled
  • enabled (default)

loopDetectionFeature

N/A

When enabled, the SIP Stack performs loop detection on incoming INVITE messages.

  • disabled – The SIP signaling group processes the INVITE message.
  • enabled (default)

maxPduSizeValue

N/A

The maximum PDU size recognized by the

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:

  • pdusize2kb – 2,048 bytes
  • pdusize3kb – 3,072 bytes
  • pdusize6kb – 6,000 bytes
  • pdusize15kb (default) – 15,000 bytes
  • pdusize32kb – 32,000 bytes
  • pdusize60kb – 60,000 bytes

multipleContactsPerAor

N/A

This flag enables support of multiple contacts per Address Of Record (AoR).

  • disabled – SBC maintains a single RCB per Address of Record (AoR). Any existing binding information is overwritten on receipt of REGISTER from a new contact for the same AoR.
  • enabled (default) – SBC maintains different RCBs for each new registration. A registration is considered new when the source IP port of the REGISTER request is different from earlier registration for the same AoR. If a registered UE initiates a communication on behalf of the AoR, SBC fetches the corresponding RCB based on source IP port of the UE.

 See Multiple Contacts per AoR for additional details.

registrarSupportContactParam

N/A

Enable flag to support parameters in the Contact header:

  • disabled – Parameters in the Contact header are not supported. This value is provided only for backwards compatibility.
  • enabled (default) – Parameters in the Contact header are supported.

suppressErrorInfoHdr

N/A

Enable flag to suppress Error-Info header in a response to a request message with syntax error.

  • disabled (default) – SBC includes Error-info header in the response.
  • enabled –  SBC does not include Error-Info header in an error status. 
surrogateRegisterPacingTime0-10000

Use this parameter to specify the time gap, in milliseconds, between a final response of surrogate register and the next surrogate register message sent across all peers. (default = 0, disabled)

If surrogate registration is active and you wish to disable pacing, first disable surrogate registration for all Peers using following command syntax:

Code Block
languagenone
% set addressContext <AC name> zone <zone name> ipPeer <peer name> surrogateRegistration state disabled
Note

Please research the feature to fully understand pacing semantics before using it. This setting is not required in generic deployments. Pacing is applied to all surrogate REGISTER requests generated for all surrogate AoRs.

ucidNodeId

1-32767

UCID Node Id used to generate the UCID in the User-to-User Header. (default = 0)

Command Example

To display the global configuration of all SIP signaling control parameters:

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1Global SRVCC Parameters
3Global SRVCC Parameters
 

Parameter

Length/Range

Description

atcfUri1-63 charactersSIP URI to be used as the ATCF Path and Management URI.
callLingerTimer1-32 secondsNumber of seconds to wait for INVITE due to STN_SR before clearing the call (default=32).
eStnSr1-32 charactersRequest URI for a emergency transfer call sent by MSC on PS to CS call hand-off.

stnSr

1-32 characters

Request URI for a transfer call sent by MSC on PS to CS call hand-off.

 

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