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Use the SIP Sig Controls window to configure SIP signaling parameters at the global level.
To View and Edit SIP Sig Controls
On the SBC main screen, go to All > Global > Signaling >SIP Sig Controls. The SIP Sig Controls window is displayed.
Figure 1: SIP Sig Controls Window
Use the following table to make any changes and then click Save.
Table 1: SIP Sig Controls Parameters
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Loop Detection Feature | Enable this flag allow the SIP stack to perform loop detection on incoming INVITE messages. The options are:
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Registrar Support Contact Param | Enable this flag to allow the Registrar to supports parameters in the Contact header:
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Suppress Error Info Hdr | Enable this flag to suppress the Error-Info header as a response to request message with a syntax error. The options are:
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Max Pdu Size Value | The maximum PDU size that the The options are:
Note: The SIPSG code is enhanced to send the complete contents of data per message to the trace log. The SBC configuration allows for a max PDU of 60K. | ||||||||||||||||||||||||||
Egress RNParam | Specify the flag to allow the
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Multiple Contacts Per Aor | Enable this flag to support the multiple contacts per Address Of Record (AoR).
The For refreshing registration that originates from a different IP/port, the SBC forwards the request to the registrar and moves the state to "UPDATING". Validate any calls or OOD requests that originate from the IAD while the RCB is in updating state, using the previously authenticated IP/port. When Multiple Contacts Per Aor is Enabled, the NOTE: Even though the default value of Multiple Contacts Per Aor is Enabled, during an upgrade, the value can be either "Enabled" or "Disabled". Refer to Multiple Contacts per AoR for additional details. | ||||||||||||||||||||||||||
Send De Register Contact As Star | Enable this option to allow the
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Ucid Node ID | Specify the UCID Node ID to generate the UCID in the User-to-User header. The value ranges from 0 to 32676, and the default value is 0. | ||||||||||||||||||||||||||
Offer Answer Timer | Specify the number of seconds for the
Once configured, the
For backward compatibility, set the Offer Answer Timer to its default value for SIP signaling gateway. Note: The Offer Answer Timer goes beyond transaction timeout value only for re-INVITE transactions. For Media Resource Function timer (MRF) calls, if the Offer Answer Timer value has a value more than MRF timer value, which is currently hard coded to 72 seconds , the call disconnects on MRF timer timeout, irrespective of the Offer Answer Timer timer value. | ||||||||||||||||||||||||||
Surrogate Register Pacing Time | 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. The value ranges from 0 to 10000 and the default value is 0. If surrogate registration is active and you want to disable pacing, first disable surrogate registration for all Peers from the IP Peer - Surrogate Registration page. 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. | ||||||||||||||||||||||||||
Send Surrogate Un Register After Reboot | Enable this flag to trigger de-REGISTER messages to all AORs configured to use the Surrogate Registration feature, after a reboot.
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Send503During Switchover | Enable this flag to control the sending of 503 message during a switchover.
NOTE: The Retry-After tag is set to 60 seconds in the 503 sent. | ||||||||||||||||||||||||||
Egress Remove Enudmi | Enable this flag to control whether the Disabled (default) - The Enabled - The | Offer Answer Timer |
Spacevars | ||
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Once configured, the
Spacevars | ||
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For backward compatibility, set the Offer Answer Timer to its default value for SIP signaling gateway.
Note:
The Offer Answer Timer goes beyond transaction timeout value only for re-INVITE transactions. For Media Resource Function timer (MRF) calls, if the Offer Answer Timer value has a value more than MRF timer value, which is currently hard coded to 72 seconds , the call disconnects on MRF timer timeout, irrespective of the Offer Answer Timer timer value. Multiexcerpt include MultiExcerptName Reg IP Lookup Post Switchover behavior PageWithExcerpt Signaling - Global - CLI
Multiexcerpt include MultiExcerptName Reg IP Lookup Post Switchover behavior 2 PageWithExcerpt Signaling - Global - CLI
Note: You must enable Multiple Contacts Per Aor to use this flag.
- Disabled (default)
- Enabled
(For S-SBC / I-SBC in 1:1 deployments only)
Enable this flag to use the SIP Bulk Status For Subscribers feature.
- Disabled (default)
- Enabled
Enabling SIP Bulk Status For Subscribers gives you the ability to collect status files for the following after performing three dump requests over CLI or
: Spacevars 0 model1
- Status of all Active registered endpoints.
- The Deleted Registers table, which includes the last deleted (or expired) registered endpoints.
- All subscriptions generated by the SBC – specifically, SIP Generated Subscription Status – and the status for SIP endpoints.
Additional details:
- Address Context - SIP Generated Subscription Status – View dump statistics
- SIP Registration – Feature description
Multiexcerpt include MultiExcerptName Reg Display Limitations PageWithExcerpt SIP Registration