N & K VoIP Softphone

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N & K VoIP Softphone - Free Calls, Instant Messaging, International calls with HD audio codecs.

N & K VoIP is a FREE SIP softphone application for Voice Over IP phone (VoIP) calls over 3G or WiFi which offers a simple user interface and superb audio quality for smooth Voice over IP experience.

N & K VoIP is next generation Softphone dialer comes with dual functionality of VoIP calling card and App to App Chatting(Instant Messaging). N & K VoIP Dialer is equipped with advanced cutting-edge features, which are best suited for service providers to offer simplified and user-friendly VoIP calling card and App to App Chatting (Instant Messaging) facilities to their customers.

N & K VoIP Dailer Android Smartphone Edition SIP-based Softphone – brought to you by N & K VoIP, the market leader of VoIP software products and solutions.

N & K VoIP key features include:

* Work with all standard SIP SoftSwitches

* Supported crypto : TLS for SIP and SRTP/ZRTP for media

* Support UDP and TCP transports

* HD audio codecs including G729, G.722, g711 (ulaw, alaw), speex,iLBC, GSM, PCMU Codecs Support.

* High Compression ratio for Signalling and Media Streams.

* Integration with the native android Phone Book (App syncs automatically your phone contact for easy dial)

* Support Call Recording, Call Waiting, Call Transfer

* Bluetooth support.

* Speakerphone mute and hold support

* Supports sending of DTMF

* Make and receive high quality phone call using 3G, 4G, LTE and WiFi

* Supports calling over 3G and WIFI

* Excellent audio quality with HD audio codecs

* User Friendly, Advanced and Smoother GUI

* WiFi or internet connection required