Easy to use VoIP softphone with profile and contact management.    

Index     General    Configuration     Download     Contact

features

protocols

• SIP
• UDP , TCP , TLS
• STUN

IP

• IPv4
• IPv6

Security/Encryption

• TLS
• SRTP
• ZRTP

Codecs

• G.711 A-Law
• G.711 µ-Law
• G.726 -16, -24, -32, -40 
• G.722
• GSM
• iLBC
• Speex and Speex-WB
• Opus

DTMF

• RTP Payload

Languages

• German
• English
• Spanish
• Portuguese
• Russian
• Arabic

RFCs

• RFC 2327: SDP: Session Description Protocol
• RFC 2833: RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
• RFC 2976: The SIP INFO Method
• RFC 3261: SIP: Session Initiation Protocol
• RFC 3262: Reliability of Provisional Responses in the Session Initiation Protocol (SIP)
• RFC 3264: An Offer/Answer Model with the Session Description Protocol (SDP)
• RFC 3265: Session Initiation Protocol (SIP)-Specific Event Notification
• RFC 3311: The Session Initiation Protocol (SIP) UPDATE Method
• RFC 3323: A Privacy Mechanism for the Session Initiation Protocol (SIP)
• RFC 3325: Private Extensions to the Session Initiation Protocol (SIP) for Asserted Identity within Trusted Networks
• RFC 3515: The Session Initiation Protocol (SIP) Refer Method
• RFC 3581: An Extension to the Session Initiation Protocol (SIP) for Symmetric Response Routing
• RFC 3605: Real Time Control Protocol (RTCP) attribute in Session Description Protocol (SDP)
• RFC 3711: The Secure Real-time Transport Protocol (SRTP)
• RFC 3842: A Message Summary and Message Waiting Indication Event Package for the Session Initiation Protocol (SIP)
• RFC 3891: The Session Initiation Protocol (SIP) "Replaces" Header
• RFC 3892: The Session Initiation Protocol (SIP) Referred-By Mechanism
• RFC 4028: Session Timers in the Session Initiation Protocol (SIP)
• RFC 4235: An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP)
• RFC 4568: Session Description Protocol (SDP) Security Descriptions for Media Streams
• RFC 4916: Connected Identity in the Session Initiation Protocol (SIP)
• RFC 5389: Session Traversal Utilities for NAT (STUN)
• RFC 5626: Managing Client-Initiated Connections in the Session Initiation Protocol (SIP)
• RFC 5763: Framework for Establishing a Secure Real-time Transport Protocol (SRTP)
• RFC 5761: Multiplexing RTP Data and Control Packets on a Single Port
• RFC 5806: Diversion Indication in SIP
• RFC 6189: ZRTP: Media Path Key Agreement for Unicast Secure RTP

index
    ├ general
    ├ log book
    ├ phone book
    ├ messages
    ├ configuration
    │     ├ server
    │     ├ user
    │     ├ network
    │     ├ codecs
    │     └ certificate
    ├ forwarding
    ├ statistics
    ├ features
    │
    ├ forum (German forum, but English postings are welcome)
    ├ contact
    ├ license
    └ download

(C) Heiko Sommerfeldt