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Slides (in Spanish) from the talk I gave at VoIP2day + ElastixWorld 2012 (Madrid). Talk was about what does it take to build a service with the services users can find in products such as Skype. Both a good client and server side features are required, ... look inside!
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¿Qué hace falta para construir un Skype?Saúl Ibarra Corretgé | AG Projects
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Intro
• Hola, soy @saghul
• En VoIP desde el 2005
• Hablemos sobre el maligno
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
AG Projects
• Infraestructura SIP
• SIP Thor: Plataforma SIP con escalabilidad horizontal mediante P2P
• Proyectos Open Source
• Blink
• SIP SIMPLE SDK
• SylkServer
• MediaProxy
• OpenXCAP
• MSRPRelay
Thursday, October 4, 2012
¿Qué es Skype?
Thursday, October 4, 2012
Thursday, October 4, 2012
Características
Thursday, October 4, 2012
Audio y Video
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Audio y Video
• Audio en HD, codec SILK
• Video en ~HD
• No en todos los dispositivos
• SILK es “parte” de Opus
Thursday, October 4, 2012
Conferencias
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Conferencias
• Fáciles de crear
• Información sobre participantes
• Necesario soporte del lado servidor
Thursday, October 4, 2012
Chat
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Chat
• Chat entre usuarios y en grupo
• Replicación de mensajes
• Guardado de mensajes offline
Thursday, October 4, 2012
Seguridad
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Seguridad
• En principio nadie puede escuchar nuestras llamadas
• Hello China!
• Círculo de confianza proporcionado por el operador (el mismo Skype)
Thursday, October 4, 2012
Usuarios, muchos usuarios
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Thursday, October 4, 2012
“Fácil” de usar
Thursday, October 4, 2012
Thursday, October 4, 2012
Presencia
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Presencia
• Implícita
• Llamar por VoIP o por PSTN
• Implementada desde el día 0
Thursday, October 4, 2012
Thursday, October 4, 2012
Diseñando una alternativa abierta
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Diseñando una alternativa abierta
• Estándares Abiertos
• Open Source
• Servicio distribuido, federación
• Excelente UI y UX
• Aplicación + servicio
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Provider BProvider A
Registrar
DB
ProxyDB
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
SIP SIMPLE Client SDK
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
SIP SIMPLE Client SDK
• Core de funcionalidades que necesitamos
• API en Python
• Software Libre
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Hi all,
Hope You all doing well.I am very new to pjsip(I am usingpjproject1.10) for window application.I already completed Graphical user interface,in which there is login,log out,call,end buttons. But I am unable to intigrate it with pjsip.which function I have to call for the respective buttons.Can somebody help me on this regards?
Thanks in advance.
- User on PJSIP’s mailing list
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Blink
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Blink
• Audio en HD
• Chat basado en sesiones
• Presencia
• Conferencias en cliente y servidor
• Fácil de usar
• usuario@dominio
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
SylkServer
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
SylkServer
• Conferencias de audio en HD
• Información extra sobre participantes
• Control de la conferencia
• Chat en grupo
•Gateway a XMPP
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Gateway a XMPP
• Pasarela a millones de usuarios
• Aunque distintos, XMPP y SIP son similares
• SylkServer XMPP gateway
• Chat
• Presencia
• MUC (chat en grupo)
Thursday, October 4, 2012
Problemas
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Adopción de estándares
• MSRP es utilizado en RCS
• Pero es un walled garden
• draft-simple-chat, pronto un RFC
• Presencia con XCAP
• Interoperabilidad
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Presencia
• “SIMPLE is not simple”
• Solución
• Diseñar un modelo de datos sobre SIMPLE y OMA
• 2 años después, casi lo tenemos terminado
• Blink Pro 2.0.0
Thursday, October 4, 2012
Thursday, October 4, 2012
If you spend all your time looking at your competition, your product will look like your competitor’s ass.
- Mike Lee
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
Thursday, October 4, 2012
AG ProjectsSIP Infrastructure Experts
BYE sip:audience@voip2day SIP/2.0Via: SIP/2.0/UDP 192.168.99.23:49919;rport;branch=z9hG4bKPjDb30Dx0sH7aMMax-Forwards: 70From: "saghul" <sip:[email protected]>;tag=UCpGKVZbQQx7BUKTo: <sip:audience@voip2day>;tag=as59aef35cCall-ID: DEWDfu63OACwYeQk7MrhmRhRq.1cqqisCSeq: 10633 BYERoute: <sip:81.23.228.129;lr;ftag=UCpGKVZbQQx7BUKY;did=641.a8a9c553>User-Agent: BlinkContent-Length: 0
@saghul
Thursday, October 4, 2012