Technical Specification
Computer: PC, Processor Intel Pentium IV or better, 256MB RAM free or more, 50MB disk space free or more.
Operating System: Windows 7, 8, 10, 11. (with .NET 4.0 or later framework installed)
Protocol: UDP/TCP/TLS SIP (RFC 3261, 3263, 3264, 3581, 3891, 4028, 4488, 4916, 5806) SDP (RFC 4566, 4568) RTP (RFC 3550) SRTP (RFC 3711)
Codec: G.722, G.711, G.729.
DTMF: In-band, Out-band (RFC 2833)
User Presence & Messaging: XMPP (RFC 3920, 3921)
Phone Presence: SIP SUBSCRIBE/NOTIFY (RFC 3265, 4662) Dialog (RFC 4235) or Presence (RFC 3856) PIDF/XML (RFC 3863) RPIDF (RFC 4480)
Own Presence: SIP SUBSCRIBE/NOTIFY (RFC 3265) Dialog (RFC 4235) or SIP PUBLISH (RFC 3903) Presence (RFC 3856) PIDF/XML (RFC 3863) RPIDF (RFC 4480)
Phone Messaging: SIP MESSAGE (RFC 3428)
Voicemail: SIP SUBSCRIBE/NOTIFY (RFC 3265) Message-summary (RFC 3842)
Call Transfer: SIP REFER (RFC 3515)
USB Devices: Headset, Handset, Speakerphone, Light/Ringer. (click here for the list of compatible devices)
Outlook Support: 2000, 2002, 2003, 2007, 2010, 2013, 2016, Office365.
Languages: English, French, Spanish, German, Italian, Dutch, Danish, Portuguese, Polish, Turkish, Russian.
Validated with: Metaswitch, Broadsoft, Cisco, Cirpack, Communigate, Enswitch, Vodia, 3CX, Asterisk, sipXecs, FreeSWITCH, Kamailio, OpenSIPS.
More info available here: https://www.voiceoperatorpanel.com/technical/
