TCall Plus app for iPhone and iPad

TCall Plus is a FREE SIP softphone application for voip calls over 3G or WiFi (IPV4 network only). There are NO ADVERTISEMENTS.

TCall Plus is for private use, and only use with our private servers. It is only used for our clients. It is supported fast way for configuring by servers.

TCall Plus key features include:
- Lowest battery usage with highest reliability / stability
- Lowest latency of all softphones
- Excellent audio quality, even on older devices
- Supports calling over 3G and WIFI (IPV4 network only)
- Multiprotocol with SIP and IAX support, compatible with all RFC
compliant PBXs
- Background / multitasking support
- Native dialer integration
- Integration with the native contact list
- Speakerphone mute and hold
- UDP and TCP transports (use TCP for better battery life!)
- Supports g729, g711 (ulaw, alaw), speex, iLBC and gsm codecs
- Supports sending of DTMF
- DNS SRV
- Built-in echo cancellation
- STUN support
- Change ringtone per account
- call waiting
- Call Transfer
- Video support
- ZRTP / TLS support
- Wideband audio