SIP SIMPLE Client SDK

Description

SIP SIMPLE client is Python software library built on top of [http://pjsip.org PJSIP] that together
with an elegant middleware allows for easy development of Client/Server and
Peer-to-Peer Internet communications end-points based on SIP SIMPLE protocols with
voice, video, presence, interactive messaging (IM) and file transfer capabilities.

The goal of this project is to deliver the best Open Source Python
library for rich featured SIP User Agents, while hiding the complex
underlying functionality behind an easy to use high-level application
programming interface. Compared to other available SIP libraries, this
project provides beyond basic audio calls, session based Interactive Messaging (IM)
combined with voice and video sessions, file transfer and multi-party chat sessions using MSRP protocol,
publication and subscription for rich presence information like availability, moods, activities and geo-location, management for presence rules,
resource lists, RLS services using XCAP protocol.

Shortly said, this software allows you to create elegant real-time communications applications without having to read [http://www.rfc3261.net the +1200 RFC documents] behind it. If you read them all, some antidepressant and desintoxication is recommended after this effort.

Download

For Debian testing or unstable on an i386 architecture, add to /etc/apt/sources.list:

{{{
deb http://ag-projects.com/debian unstable main
deb-src http://ag-projects.com/debian unstable main
}}}

Update the list of available software and install the software:

{{{
apt-get update
apt-get install sipclient
}}}

For MacOSX 10.5 (Leopard) on an Intel architecture add to /sw/etc/apt/sources.list:

{{{
deb http://ag-projects.com/fink local main
deb http://ag-projects.com/fink stable main crypto
deb http://ag-projects.com/fink unstable main crypto
}}}

Update the list of available software and install the software:

{{{
sudo apt-get update
sudo apt-get install sipclient
}}}

For other Unix distributions

To obtain the source code as tar archive go to:

[http://download.ag-projects.com/SipClient/ http://download.ag-projects.com/SipClient/]

Windows binaries are on the roadmap.

Testing

SIP SIMPLE client is closely developed together with and tested against the most popular SIP SIMPLE server software available today: [http://opensips.org OpenSIPs], [http://openxcap.org OpenXCAP] and [http://msrprelay.org MSRPRelay]. Included with the library, a set of [wiki:testscripts command line tools] are available for setting up real time voice, IM and file transfer sessions, publish and subscribe to presence or other type of events:

• sip_register - REGISTER a SIP end-point with a SIP Registrar
• sip_rtp_audio_session - Setup a voice audio session (Voice over IP)
• sip_msrp_im_session - Setup an IM session using MSRP protocol
• sip_msrp_file_transfer - Perform file transfer using MSRP protocol
• sip_message - Send/receive text in page mode using SIP MESSAGE method
• sip_publish_presence - PUBLISH presence to a SIP Presence Agent
• sip_subscribe_presence - SUBSCRIBE to presence information
• sip_subscribe_winfo - SUBSCRIBE to watcher list on a SIP Presence Agent
• sip_subscribe_rls - SUBSCRIBE to lists managed by Resource List Server
• xcapclient - Manage presence policy and buddy lists on an XCAP server

For testing, you can use your own infrastructure or register a free SIP SIMPLE account on [http://sip2sip.info http://SIP2SIP.info]

Supported platforms and normative references

As a library with a high-level API, the toolkit can be used to add voice, IM and Presence functionality to any network devices as long as Python/C environment is supported by such platform.

Normative references and standards

Additional to the SIP standards implemented by the underlying [http://www.pjsip.org/sip_media_features.htm PJSIP library], this project implements

• XCAP protocol [http://www.tools.ietf.org/html/rfc4825 RFC4825]
• MSRP protocol [http://tools.ietf.org/html/rfc4975 RFC4975]
• MSRP protocol relay extension [http://tools.ietf.org/html/rfc4976 RFC4976]
• PUBLISH method [http://tools.ietf.org/html/rfc3903 RFC3903]
• SIP Specific Event Notification (SUBSCRIBE and NOTIFY) [http://tools.ietf.org/html/rfc3265 RFC3265]
• Rich presence data model and format [http://tools.ietf.org/html/rfc3856 RFC3856], [http://tools.ietf.org/html/rfc3863 RFC3863 ], [http://tools.ietf.org/html/rfc4479 RFC4479]
• XCAP-diff document modification event [http://www.ietf.org/internet-drafts/draft-ietf-simple-xcap-diff-09.txt draft-ietf-simple-xcap-diff-09]
• Watcher-info [http://tools.ietf.org/html/rfc3857 RFC3857], [http://tools.ietf.org/html/rfc3858 RFC3858]
• Conference [http://tools.ietf.org/html/rfc4575 RFC4575]
• Message summary [http://tools.ietf.org/html/rfc3842 RFC3842]
• Presence rules [http://www.tools.ietf.org/html/rfc5025 RFC5025]
• Resource-lists and RLS-services [http://www.tools.ietf.org/html/rfc4826 RFC4826]
• PIDF manipulation [http://www.tools.ietf.org/html/rfc4827 RFC4827]
• Bonjour multicast DNS [http://www.tech-invite.com/SIPWGs/01-WG-SIP/Idrafts/draft-lee-sip-dns-sd-uri-02.txt draft-lee-sip-dns-sd-uri-02]
• Locating SIP services [http://tools.ietf.org/html/rfc3263 RFC3263]
• MSRP ad-hoc multi-party chat sessions [http://tools.ietf.org/html/draft-ietf-simple-chat-02 draft-ietf-simple-chat-02]

License

The software is provided under the [source:LICENSE GPL LICENSE]

Support

To open ticket please Register first. The ticketing support system is available only for registered users. Please beware that the support is provided by the community on a best-effort basis.

Source code access

Version control is done using [http://darcs.net darcs] . The darcs repository can be fetched with:

{{{
darcs get http://devel.ag-projects.com/repositories/pypjua
}}}

To obtain the changes after the intial get, go to the pypjua directory and run:

{{{
darcs pull
}}}

If you wish to contribute and become an active developer of this project, send your request by email to pypjua-devel@ag-projects.com.