I have most of these features built using kamailio+asterisk. I am sure you can use freeswitch too to accomplish these tasks.

Regards,
Arun


From: Vijay Thakur <vijay.thakur@loopmethods.com>
To: SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) - Users Mailing List <sr-users@lists.sip-router.org>
Sent: Thursday, February 13, 2014 12:32 AM
Subject: [SR-Users] Suggestion for VOIP Solution



Hi All List Members,

I have worked on kamailio for one year.  It is a great open source Skype
like solution.
Now i have to deploy a new solution with new requirements.  Kindly
suggest that what will be
the best open source application will fulfill my requirements. I need
the following facilities:

(1) Call Recording (Outbound/Inbound)
(2)  On Demand Recording
(3) Dictation Service
(4) Complex Inbound Routing
(5) IVR (Interactive Voice Response)
(6) Auto Attendant
(7) Client Recordings Mgmt & Playback Portal
(8) Multi-level Client hierarchy / Subscription Plans
(9) Voicemail
(10) Time based Routing (Message Box)
(11) Call Queuing & Conferencing
(12) Bulk Download & Emailing
(13) Call Whisper
(14) Smartphone apps (SIP clients)

Regards,

/





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