TCALL+

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