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The new interworking feature is supported for both SIP-to-SS7 and SS7-to-SIP call flows. The feature is disabled by default and must be enabled from the WebUI Interworking/SIP to SS7 config page .
Related Topics: SIP to SS7 ISUP Interworking
FR19790 IPv4 Type Of Service (ToS) support for SIP interface
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SIP ToS level is configured on the WebUI page "Signaling / SIP / SIP IP Address"
Related Topics: SIP Signaling - IP Address ; Media Type of Service (TOS) Settings
FR19625 200OK as the only valid response to a SIP Options for determining availability
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This can be configured as an option to the SIP Profile object for "Options KeepAlive".
Related Topics: SIP Profile - Options Method - Busy Out-Keep Alive; WebGUI pages: SIP Options Method - Busy Out/Keep Alive
FR-19620 IMG 2020 now supports Re-route function upon RTP inactivity detection
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When the feature is disabled, both incoming and outgoing calls are closed by the IMG instead of by the end user as expected by e911 services.
Related Topics: Media Inactivity Timers (RTP) ; WebUI page : IP Profile; SIP profile
FR-19653 IMG 2020 can now answer to SIP-181 reception according to 3GPP TS 29.163 specification
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ACM with call diversion information not indicating that presentation is not allowed and optional backward call indicators indicate that in-band information is available.
CPG with call diversion information not indicating that presentation is not allowed and optional backward call indicators indicate that in-band information is available.
Related Topics: WebUI page: SIP to SS7 ISUP Interworking
FR-19817 IMG 2020 can add "+" sign to the outgoing leg translation table.
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This feature offers more flexibility to keep or remove the ‘+’ sign at the outgoing call leg for the IMG users.
Related Topics: WebUI page: Outgoing Translation Tables; WebUI page: Translation Element - Incoming
IMG-939 IMG 2020 now uses RPM script to install EMS software and tools
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IMG users will now install & uninstall EMS software and IMG 2020 tools using RPM package manager.
Related Topics: Software Upgrade - EMS System