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Specifies whether or not to use the session timer to verify the SIP session. The remainder of the options in this panel are only visible of the Session Timer is Enabled (default).

Specifies the minimum value to use for incoming session refresh in seconds. If the

Specifies an interval, proposed to a SIP peer, to use for a session refresh. At each interval, a session refresh occurs, if the remote does not respond the call is disconnected. Default: 3600.

Controls how the SBC responds if the session refresher fails. Default: False.

1. When SBC is the refresher, the configuration item, ‘Terminate on refresh failure’ does not apply,  That is, anytime the session timer fires the SBC will send either a re-Invite or Update.
2. When Peer is the refresher (Not SBC), the following applies:
   a. If ‘Terminate on refresh failure = false’, SBC will send a re-Invite or Update on session timer fire.
   b. If ‘Terminate on refresh failure = true’, SBC will terminate the call by sending a BYE when the session timer fires.
   • Set the timer value is as follows:
     • Set timer X seconds before the session expires, where X is the smaller value of 32 or 1/3 of the session timer value.
       Example: Session timer = 180, then X=32 since 32 is less than 60. Then, timer will be set for 180-32 = 148 seconds.

Specifies the contents of the SIP User-Agent header. Default: Ribbon SBC EDGE.

Specifies which, if any, Fully Qualified Domain Name (FQDN) is used in the From header.

• Disable: SBC IP address is used in the From Header. (Default)
• SBC Edge FQDN: SBC FQDN is used in the From Header.
• Server FQDN: Next hop SIP Server (IP address or FQDN depending of SIP server table entry) is used in the From Header.
• Static: Host portion (FQDN or IP) to be used in the From Header. If Static is selected, you must configure the host portion through the Static Host field.
  

Determines (Enable/Disable) whether FQDN (Fully Qualified Domain Name) is included in the Contact Header. Default: Disable. Available options: Disable, SBC FQDN or Static.

Specifies the host portion to be used in the From or Contact Header. This field is displayed only when the FQDN in From Header or FQDN in Contact Header field is set as Static. Valid entry: FQDN[:port], IP4[:port], [IP6]:port or IP6. An example of an IPv6 entry is: [fd00:10:6b56:226::204]:27526.

When enabled (set as Always), the SBC always sends a P-Asserted-Identity header in the outbound INVITE message. When the SBC receives an inbound INVITE message with a P-Preferred-Identity or P-Asserted-Identity header, the information from that header is used in the outbound P-Asserted-Identity header. However, when the SBC receives a Privacy header, the identity is revealed in the outbound INVITE based on privacy header value.

When disabled, privacy information in the outbound INVITE is sent depending on the configuration of the Trusted Interface and the Privacy Pass-through Header. Default: Trusted Only.

Specifies if the X-SBC Edge -Diagnostics header is added to the outbound SIP signaling messages. This header indicates detailed diagnostic information about the call (such as media mode, DSP/RTP-Proxy/Direct etc.).

Options: Enable (default)(header is included), or Disable (header is not included).

When enabled (default), the SBC passes the Display Name (Calling Name), P-Asserted-Identity and Privacy header information from the inbound INVITE to the outbound INVITE message. The User-Agent header is also present.

When disabled, the Display Name (Calling Name), PAI/PPI and Privacy headers are not passed, and the User-Agent header is suppressed.

Enables SIP to use Calling Number and Name from FROM header always. By default, if P-Asserted-ID/P-Preferred-ID are present, Calling Number and Name are derived from P-Asserted-ID/P-Preferred-ID headers. Valid entry: From RFC Standard (default) or "From" Header only.

Determines which SIP Header to use in SIP call. Valid entry: First or Last (default). 

Determines which technical specification needs to be used to process Record-Route header. Choices: ETSI or RFC 3261(default).

Specifies the interval, in milliseconds, for which new TCP/TLS connections over SIP can be tried when no response is received from far end. Default: 5000.

Specifies the maximum number of retransmissions of client transaction messages over UDP. The default value disables this feature and maximum retransmissions are then controlled by Timer B and Timer F values. Any non-zero value modifies Timer B and Timer F and retransmissions are controlled by the selected value. Default: RFC Standard.

Specifies the time, in milliseconds, before the REGISTER retry is sent to the primary SIP Server after the REGISTER re-transmission has been not been responded to by both primary and secondary SIP Servers.

Valid entry: 5000 - 180000 ms. Default entry: 180000 ms.

Enter an integer value for each of the timers, if other than standard defaults are required.

ELIN identifier maps the selected label from PIDF-LO XML content to the call router translation table input field. Default value: LOC.

• LOC: Location information (Generic information, i.e., city or building)
• FLR: Floor location
• HNO: House number

Specifies whether or not to allow the passthrough of pidf+xml content from Ingress to Egress.

• PIDF-LO: GEOPRIV Presence Information Data Format Location Object (PIDF-LO) The Presence Information Data Format Location Object (PIDF-LO) is the recommended way of encoding location information and associated privacy policies. Location information in a PIDF-LO may be described in a geospatial manner based on a subset of Geography Markup Language (GML) or as civic location information. Default value: Enable.

Specifies whether or not to allow the passthrough of unknown subtype content from Ingress to Egress. Default value: Disable.

When the Session Timer option is enabled, the SBC uses either INVITE or UPDATE to refresh the session. The method used is negotiated between the SBC and peer. The Option Tags selections simply specify in which header to specify the tag.

For interoperability purposes, enables the /1 field to be removed from media attribute in SDP.  In the a= line, the /1 field is dropped if the value is configured as False.

Example: a=rtpmap:4 g723/8000/1 becomes a=rtpmap:4 g723/8000

Valid entry: True (/1 field stays intact) or False (/1 field is dropped). Default value: False.

Determines if the Connection Data (represented by "c=") is present in both the Session and Media sections of the SDP. Some endpoints are unable to handle the "c=" in the media section. Valid entries: True (the "c=" is included in the media section) or False (the "c=" does not appear in the media section).  Default entry: True.

Value of the Origin (o=) username field. Valid entry: up to 64 alphanumeric characters. For security purposes, this field can be set as "-". Default value: SBC.

Value of the Session (s=) field. Valid entry: up to 64 alphanumeric characters. For security purposes, this field can be set as "-". Default value: VoipCall.

Determines how digits are sent to the far end during an ongoing call (Example, digits might be sent to an IVR system during a call). This argument specifies which digit transmission method to use when both are available to the call.

Selections:

• RFC 2833/Voice (default)
  
• SIP Info