Advanced Features

Diversion header support per RFC5806
This documentation reflects the implementation details for Diversion header support in Sippy. The header contains the originally called number, and is usef...
Tue, 17 Mar, 2020 at 7:29 AM
Support for 3xx SIP redirect response codes
The Sippy Softswitch can be configured to react to the 301 Moved Permanently, 302 Moved Temporarily and 300 Multiple Choices responses received from the Ven...
Fri, 3 Jan, 2020 at 5:48 AM
Generate Ringbacktone
Feature Description: The new feature added in 4.4 version of Sippy as a checkbox on Account preferences and Account Class. Note: setting from Account's...
Mon, 4 Feb, 2019 at 7:14 AM
Archive CDRs (from Sippy 2020 version)
Overview We have improved the functionality for Data Retention Beginning in our Sippy 2020 version.  The Data Retention includes four separated paramete...
Tue, 24 Nov, 2020 at 12:07 AM
Multi Factored Authentication (web users)
Introduction We're pleased to announce some new changes coming up in our Sippy 2020 Version.  We will be introducing Multi Factored Authentication meth...
Tue, 25 Aug, 2020 at 8:56 AM
Support for reliable provisional responses (PRACK) - RFC3262
As part of our Sippy Softswitch v5.3 we will be introducing support for provisional responses as specified by RFC3262. The Softswitch is capable of sending...
Wed, 26 Feb, 2020 at 8:02 AM
Post Authentication rules
The new feature was added in order to add more flexibility to configuration of routing and authorization. It allows to change the previously selected Tarif...
Wed, 25 Jan, 2023 at 7:29 AM
STIR SHAKEN functionality
STIR/SHAKEN, or SHAKEN/STIR, is a suite of protocols and procedures intended to combat caller ID spoofing on public telephone networks. Caller ID spoofing i...
Mon, 26 Feb, 2024 at 9:06 AM
Translation Rules (use cases)
BLOCK any non-numeric number: $ python /home/ssp/sippy/re_test.py  's/^.*[a-zA-Z].*$/BLOCK/' B1231231236016 Result: BLOCK Add special prefix if ...
Fri, 11 Feb, 2022 at 4:27 AM
Support For SIP Asserted Identity within Trusted Networks, Sippy 2021 version and up
Earlier implementation details relevant for <=Sippy 2020 version could be found here: https://support.sippysoft.com/a/solutions/articles/84156 The f...
Wed, 10 Apr, 2024 at 3:05 AM