## Doubango Telecom

Doubango Telecom is a young Telco company focused on open source projects. We are specialized in NGN technologies (3GPP, TISPAN, Packet Cabel, WiMax, GSMA, RCS-e, IETF...standards), audio/video coding and cloud computing.
Our products include SIP/IMS (VoIP) clients/servers, MCUs, VNC stacks and audio/video codecs. Most of our products are already open sourced.

### Products

Client-side components.
sipML5 | HTML5 SIP client using webrtc2sip Gateway. Enjoy our live demo »
clik2dial | A complete Click-to-Call Solution using webrtc2sip Gateway and sipML5. Enjoy our live demo »
webrtc4all | WebRTC extension for Safari, Opera, Firefox and IE.
Boghe |

- SIP video client for Windows Phone 8 and Surface Pro
- IMS/RCS Client for Windows XP, Vista, 7 and 8

iDoubs | SIP/IMS VideoPhone for iOS (iPhone, iPad and iPod Touch) and MAC OS X.
IMSDroid | SIP/IMS Client for Android.
libSigComp | Signaling Compression (SigComp) library
Server-side components
webrtc2sip | Smart SIP and Media Gateway to connect WebRTC endpoints to any SIP-legacy network. Enjoy our live demo »
OpenVCS | OpenVCS stands for Open Source Video Conferencing Server and is used to manage Multipoint Control Units (MCU). Each MCU (a.k.a Bridge) can handle up to 64 participants.
Flash2IMS | Adobe® Flash® to SIP/IMS Gateway.

### Doubango VoIP Features

- SIP (RFC 3261, 3GPP TS 24.229 Rel-9)
- IMS-AKA (RFC 3310, 3GPP TS 33.203, 35.205, 35.206, 35.207, 35.208 and 35.909)
- Private extension headers for 3GPP
- IPv4/IPv6 dual stack
- UDP, TCP and TLS
- Service-Route Discovery (RFC 3608)
- Proxy-CSCF discovery using DHCPv4/v6 or/and DNS NAPTR
- SigComp (RFC 3320, 3485, 4077, 4464, 4465, 4896, 5049, 5112 and 1951)
- IPSec
- Security Agreement (RFC 3329)
- NAT Traversal (STUN, TURN and ICE)
- Preconditions (RFC 3312, 4032 and 5027)
- SMS over IP (3GPP TS 23.038, 24.040, 24.011, 24.341 and 24.451)
- ENUM (RFC 3761)
- The tel URI for Telephone Numbers (RFC 3966)
- SIP SIMPLE (Presence Subscription/Publication and Pager Mode IM)
- MMTel (UNI)
- SDP (RFC 3264)
- (S)RTP and (S)RTCP
- (S)AVP, (S)AVP(F) and UDP/TLS/RTP/(S)AVP(F) profiles
- DTLS-SRTP (RFC 5763 and 5764)
- XCAP (RFC 4825)
- MSRP (RFC 4975 and 5547)
- Audio/Video (AMR, Speex, G.729, G.711, G.722, GSM, iLBC, VP8, H.264, H.263, Theora, MP4V-ES...)
- Full HD (1080p) video
- T.140: Text Over IP (http://en.wikipedia.org/wiki/Text_over_IP)
- ...and many other features

### The One Voice Profile (4G/LTE)

Doubango IMS Framework supports both Voice and SMS over LTE as defined by the One Voice initiative.
For more information, please refer to Voice over IMS profile V1.0.0(2009-11).

### Multimedia Telephony (MMTel)

- MMTel Supplementary Services (3GPP TS 24.173, 24607, 24.608, 24.607, 24.604, 24.611, 24.610, 24.606, 24.615 and 24.605)
- Supplementary Service Configuration (3GPP TS 24.623)
- Ad-Hoc Multi Party Conference (3GPP TS 24.605)
- Communication Waiting (3GPP TS 24.615)
- Message Waiting Indication (3GPP TS 24.606 and RFC 3842)
- Originating/Terminating Identification Restriction (3GPP TS 24.607/608)
- Communication Diversion (3GPP TS 24.604)
- Communication Barring (3GPP TS 24.611)

### Protocols

- SIP/SigComp
- SDP
- (S)RTP and (S)RTCP
- XCAP (RFC 4825)
- MSRP(S) (RFC 4975 and 5547)
- HTTP(S) (RFC 2616 and 2617)
- DHCPv4 (RFC 2131)
- DHCPv6 (RFC 3315)
- DNS (RFC 1034, 1035, 3401, 3402, 3403, 3404, 3596, 2035, 2671, and 2782)

### OMA SIMPLE IM

- Pager Mode IM (MESSAGE)
- Session Mode Messaging (MSRP)
- Large Message IM (OMA)
- File Transfer(MSRP) and Image Sharing (GMSA IR.79)

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