Kerio Operator Softphone

Kerio Operator Softphone is a software-based phone client that lets you make and receive calls on your Apple iOS mobile device from your office phone system. Kerio Operator Softphone is designed to work with Kerio Operator IP PBX or any other SIP based VoIP service.

IMPORTANT NOTE: Kerio Operator Softphone supports auto-provisioning (auto-configuration) with Kerio Operator SIP server but can be configured manually to operate with any SIP based VoIP server.

Main features
* Excellent voice quality
* High security with call encryption support
* Multitasking support for operation in background
* Multiple languages support - English, German, French, Spanish, Russian, Chinese (Simplified and Traditional), Japanese, Korean

Telephony features
* Support for up to 4 accounts on any SIP-compliant server (Automatic provisioning with Kerio Operator)
* Integrate contacts from your phones native contacts directory
* Call display and voice-mail indicator
* Transfer to speakerphone, mute and hold functionality
* Call history
* Ringtones and contact avatars
* Dial plan support
* Multiple call support - swap between two active calls, merge and split calls, transfer calls
* DTMF via RFC 2833, SIP INFO and in-band
* VPN support
* Automatic codec selection for best call quality
* Supported codecs: G.711 a/u, G.722 (HD), iLBC, GSM, OPUS

Advanced features
* Global IP support
* STUN & ICE support
* Noise reduction, echo cancellation and VAD (Voice Activation Detection)
* Quality of Service
* Security and call encryption via TLS and SRTP
* DNS SRV record look-up
* Call quality statistics

Supported accessories
* Headset with microphone - wired or Bluetooth
* Headphones (without microphone) - devices built-in microphone is used