MuM+PLUS

更省电，更优质，更稳定....

Main features

* Excellent voice quality

* High security with call encryption support

* Multitasking support for operation in background

Telephony features

* Support for up to 4 accounts on any SIP-compliant server(Automatic provisioning)

* Integrate contacts from your phone's native contactsdirectory

* 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 andsplit calls, transfer calls

* DTMF via RFC 2833, SIP INFO and in-band

* VPN support

* Automatic codec selection for best call quality

* Supported codecs: G 729, G723, G.711 a/u, G.722 (HD), iLBC, GSM

Advanced features

* Global IP support

* STUN & ICE support

* Noise reduction, echo cancellation and VAD (Voice ActivationDetection)

* 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) - device's built-in microphone isused