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The Create SIP Recorder Table screen enables you to configure the information a Signaling Group uses to start a SIP Recording (SIPREC) session, such as he Recording Server (SIP Server) as well as the SIP channels, routing, and media, This directs the SBC on how to communicate with the Session Recording Server (SRS).
General configuration guidelines:
- A recording session (an INVITE forward SRS) is treated as the RTP Proxy call; the
blocks a recording session dialog if the maximum RTP Proxy calls are reached.Spacevars 0 series3 A recording session is not created if the maximum Active Recording Sessions are reached.
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Click ' ' on the WebUI screen to configure additional items
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Create an Entry in the SIP Recorder Table
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A SIP Server Table must be created/configured a SIP Recorder before creating an entry in the SIP Recorder Table. Refer to Managing SIP Server Tables |
- In the WebUI, click the Settings tab.
In the left navigation pane, SIP > SIP Recording.
Click the Create (
) icon. The Create SIP Recorder window is displayed.Caption 0 Figure 1 Create SIP RecorderConfigure the options. See Field Definitions below.
Anchor FieldDefinitions FieldDefinitions Caption 0 Table 1 SIP Recorder Table - Field Definitions.Field Definition Description Descriptive name for the SIP Recorder entry. Admin State Specifies the admin state of the Signaling group.
- Enable: Enables the signaling group.
- Disable: Disables the signaling group.
- Drain: When Drain is selected, calls that are currently up remain connected. However, new calls and forking are not allowed for the Signaling Group. This allows all the calls to be drained from the SG.
SIP Channels and Routing No. of Channels Specifies the number of SIP channels available for calls in this SIP Recording Server entry. Valid entry: 1 - 960.
SIP Profile Specifies the SIP Profile to use for this SIP Recording entry. Select from the drop down list. Recording Server Table Specifies the SIP Recording Server (created via SIP Server Table) the Signaling Group uses to start a SIP recording. Select from the drop down list. The options in this field are derived from the configuration of the SIP Server Tables. See Creating and Modifying Entries in SIP Server Table. Load Balancing Specifies the load balancing method used for SIP Recording Server (configured via SIP Server Table) registration and redundancy in the Signaling Group.
- Round Robin: Each initial INVITE sent to the next SIP Recording Server in the pool. As the basic algorithm, the scheduler selects a resource pointed to by a counter from a list, after which the counter is incremented and if the end is reached, returned to the beginning of the list. Round-robin selection has a positive characteristic of preventing starvation, as every resource will be eventually chosen by the scheduler.
- Priority: Register All. The request goes to the Recording Server with the highest priority (this is configured in the SIP Server) as long as it is available.
- Priority: Register Active Only: Used with the Failover SIP Registration feature. The initial request goes to the SIP Recording Server with the highest priority. If the registration fails, the Recording Server becomes unreachable, or the registration expires and a re-register fails, the SBC falls back to the next available Recording Server
- First. The initial request goes to the first available server.
NOTE: You must enable the following options for the Failover SIP Registration feature.
- The Priority: Register Active Only must be selected in Load Balancing.
- The Use Register as Keep Alive field must be enabled in the SIP Signaling Group.
The type of the SIP Recording Server: IP/FQDN or DNS-SRV determines the available options for Load Balancing:
Load Balancing Option IP/FQDN DNS-SRV Round Robin Priority: Register All Priority: Register Active Only First NOTE: In the SIP Recording Server configuration, the Priority configuration option determines the order in which a SIP Recording Server is used for redundancy and registration. Refer to Creating and Modifying Entries in SIP Server Tables.
Channel Hunting Specifies the method that Call Control uses to allocate SIP channels.
- Standard: Specifies the first available low-numbered channel.
- Reverse Standard: Specifies the last available high-numbered channel.
- Round Robin: Specifies channels based on next available from low numbered to high numbered.
- Least Idle: Specifies that channels are chosen based on the least idle channel.
- Most Idle: Specifies that channels are chosen based on the most idle channel
Media Information Crypto Profile ID Determines whether a call crypto file is used with SRTP media negotiation.
SRTP. Indicates the crypto file profile used to negotiate SRTP.
None. SRTP is not used for media negotiation.
Supported Audio Modes Determines the streaming mode for audio.
- Proxy: Audio stream is processed using the SBC internal processing resources and does not require a DSP resource or transcoding license. Refer to Working with Licenses. SRTP is untouched locally by the SBC. Proxy with Local SRTP. Media stream is switched between endpoints using SRTP media encryption on a call leg basis. Note: Support of Proxy with Local SRTP (encryption/decryption) requires licensing up to 1,000 signaling sessions. See Working with Licenses
- .
- If the Netmask is not specified, 255.255.255.255 is used.
- When an IP Address is specified the Netmask is mandatory.
- Prefix format is used to identify the subnet.
- When an FQDN is specified, all the IPs in that domain are added.
- Uses the Federated IP Netmask/Prefix field to determine whether the signaling group uses IPv4 or IPv6.
- If the Netmask is not specified, 255.255.255.255 is used.
- When an IP Address is specified the Netmask is mandatory.
- Prefix format is used to identify the subnet.
- When an FQDN is specified, all the IPs in that domain are added.
- Uses the Federated IP Netmask/Prefix field to determine whether the signaling group uses IPv4 or IPv6.
SIP IP Details | |||||
Signaling/Media Source IP | Specifies the Logical IP address at which SIP messages are received. This address is used as the source IP for all SIP messages leaving the
Auto: The node automatically selects the IP address used as the source address of all outgoing SIP messages leaving the SBC through this Signaling Group. The IP address is based on the physical interface selected by the IP routing configuration. Ethernet IP: Allows you to select a specific source IP address for outgoing SIP messages through this Signaling Group. | ||||
Signaling DSCP | Each SIP-SG is configurable with the DSCP value to be used for signaling. This allows for improved quality of service in real-time applications, such as conferencing and conversations. The settings take effect for both client and server modes of SIP. The default value of 40 is the most common value used in the VOIP networks for signaling packets. The configured value should be chosen according to the QoS policies of the IP network in which the signaling packets travel. Valid entry range: 0 to 63 (inclusive). Default value: 40. | ||||
Listen Ports | |||||
Listen Ports | Specifies the port to listen for SIP messages. Click | ||||
Port | Specifies the port to listen for SIP messages. | ||||
Protocol | Specifies the protocol with which this port can receive SIP messages. | ||||
Federated IP/FQDN | |||||
Federated IP/FQDN | The Federated IP/FQDN feature acts as an access control by defining from which server a SIP Signaling Group will accept messages. Click | ||||
IPv4/6 Address or FQDN | Specifies the IP Address (IPv4 or IPv6) or Fully Qualified Domain Name of a server from which the SBC will accept SIP messages. Federated IP allows IPv4, IPv6, or FQDN address format. For IPv4: For IPv6: For FQDN: | ||||
Federated IP Netmask/Prefix | Specifies the IP Address (IPv4 or IPv6) or Fully Qualified Domain Name of a server from which the SBC will accept SIP messages. Federated IP allows IPv4, IPv6, or FQDN address format. For IPv4: For IPv6: For FQDN: |
Modify an Entry in the SIP Recorder Table
- In the left navigation pane, go to SIP > SIP Recording
- Select the desired SIP Recorder Table.
- Click the expand ( ) icon next to the entry you wish to modify.
Edit the entry properties as required. See Field Definitions.
Enable an Entry in the SIP Recorder Table
- Select the check box next to the entry you wish to enable.
- Click the Enable ( ) icon at the top of the table.
Disable an Entry in the SIP Recorder Table
- Select the check box next to the entry you wish to disable.
- Click the Disable icon ( ) at the top of the table.
Delete an Entry in the SIP Recorder Table
- Select the check box next to the entry you wish to disable.
- Click the Delete icon ( ) at the top of the table.