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The SIP Forum is an industry association with members from the leading IP communications companies. Its mission: To advance the adoption and interoperability of IP communications products and services based on SIP.

The Forum promotes SIP as the technology of choice for the control of real-time multimedia communication sessions throughout the Internet, corporate networks, and wireless networks.

The Forum directs technical activities aimed at achieving high levels of product interoperability, provides information on the benefits and capabilities of SIP, and highlights successful applications and deployments.

Each of our Working Groups and Task Groups has their own mailing list, many of which are open to individual, "Participant" members. Please feel free to join them, or to join the general "discussion" mailing list.

The SIP Forum is currently engaged in the following technical activities -- each of which has its own Task Group that includes a unique mailing list, chairperson(s) and group of contributors:

The Forum is open to individual "Participant" members, Academic/Institutional Members, and to corporate "Full Members". Individual "Participant" and Academic/Institutional membership is free.

To view our current Full Member Listing, click HERE. To view our Academic Member Listing, please click HERE.

You can find out more about membership here.

Need more information or logos? Visit our Press Room HERE.

SIP Forum’s Fax over IP Task Group Achieves Milestone with the Publication of IETF RFC 6913

The SIP Forum announced its Fax over IP (FoIP) Task Group has achieved a significant milestone in its mission to improve international IP fax transport services with the publication of RFC 6913 – a new Internet Engineering Task Force (IETF) RFC that introduces a new “sip.fax” media feature tag that aims to enable the intelligent routing of International faxes and greatly improve the reliability of International faxing services.

RFC 6913, co-authored by David Hanes, Kevin Fleming and Gonzalo Salgueiro, defines and registers with IANA a new "fax" media feature tag for use with the Session Initiation Protocol (SIP). Currently, fax calls are indistinguishable from voice calls at call initiation. Consequently, fax calls can be routed to SIP user agents that are not fax capable. A "fax" media feature tag implemented in conjunction with caller preferences allows for early advertisement of fax capabilities and consequently, more intelligent fax call routing.

Click here to see the full text of the RFC 6913 announcement.

As part of the work leading up to this new RFC, the Fax-over-IP Interoperability Task Group published a T.38 SIP-SDP subgroup Problem Statement that details a number of SDP offer/answer interoperability issues found while implementing and connecting T.38 compliant endpoints together, primarily over the SIP signaling mechanism. Click HERE to view or download this document.

In addition, the Forum previously published an official task group problem statement, a document that details the various interoperability issues that currently plague FoIP services. This document is available for download HERE.

The FoIP Task Group has developed a task group charter, which you can view HERE.

To view task group documents and other related materials, please visit the FoIP Task Group document repository HERE.

SIPNOC 2013 Concludes to a Resounding Success -- Presentations Now Posted Online

SIPNOC 2013 was the latest and third iteration of the Forum's "SIP Network Operators Conference". The SIPNOC events are educational conferences focused on the challenges and opportunities related to the deployment of SIP-based carrier services.

Topics explored at SIPNOC 2013 included WebRTC, codec handling, SIP trunking design and deployment, the SIP Forum’s various technical initiatives, Fax over Internet protocol (FoIP) interworking, implementing SIP with IPv6, toll fraud detection and prevention, security best-practices, HD Voice depoloyment, testing methodologies, applications development, call routing and peering, troubleshooting and monitoring, emergency services, SIP market research findings, standards developments, important regulatory and policy developments, and more.

The presentations given at SIPNOC 2013 are now available for viewing.

For more information about SIPNOC 2013, please visit the archived event webpage HERE.

Click Below to Access the Full Text of Various SIPNOC 2013 Announcements:

SIPit 30 Results Now Available

SIPit 30 was held in Raleigh-Durham, North Carolina, February 18-22 2013, and was hosted by Cisco Systems. The summary report for the event is now available. For more information about the SIPit events, please visit www.sipit.net.

Click Below to Access the Full Text of SIPit 30 Announcements:

SIP Forum’s SIPit 30 Slated for February 18–22, 2013 in Raleigh-Durham, NC

SIP Forum Forms New SIP over IPv6 Task Group

The SIP Forum has announced the formation of a new SIP over IPv6 Task Group (IPv6) to address key deployment and interoperability issues in the telecommunications industry’s migration to SIP over IPv6. The new task group, which will enlist key stakeholders from the service provider, application developer and equipment communities, has developed and ratified a charter with the mandate to identify issues with SIP over IPv6 and assess the impact of transition technologies and dual stack devices on existing SIP networks.

For more information, please visit the SIP over IPv6 Task Group Charter webpage.

SIP Forum Names Spencer Dawkins Technical Director

The SIP Forum announced today the selection of Spencer Dawkins as its new Technical Director. A longtime member of the SIP Forum and major contributor to Forum work, Dawkins brings to this role about a decade of leadership experience helping to advance SIP and SIP-related technologies within industry and international standards bodies.

As Technical Director of the Forum’s Technical Working Group, Mr. Dawkins will work with SIP Forum management to translate strategic priorities from the SIP Forum Board of Directors into action, developing these directives into key SIP Forum technical initiatives for implementation by SIP Forum task groups. Mr. Dawkins will work closely with each group including the SIPconnect Task Group, new SIPconnect Interoperability Certification Task Group (SC-IT), User Agent Configuration Task Group, Fax over IP Task Group and the Test Event Working Group (SIPit).

For the full text of this announcement, please click HERE.

SIP Forum 2012 Annual General Meeting Results

The SIP Forum 2012 General Meeting was held on Tuesday, 18 December 2012.

In the meeting, a review of the financial operations was conducted, as well as a review of the operational and technical activities that have occurred over the past 12 months since the last General Meeting. In addition, votes were cast for new board members and for two voting issues.

For more information about the meeting, including the voting results, the full text of the 2012 Annual General Meeting Notice, and the presentations given during the meeting, please click HERE.

SIP Forum Ratifies the SIPconnect Technical Recommendation Version 1.1!

The SIP Forum has reached an important milestone by formally ratifying version 1.1 of the SIPconnect Technical Recommendation on March 1, 2011, with the unanimous approval of the SIP Forum Board of Directors.

The formal adoption by the SIP Forum Board of the SIPconnect 1.1 Technical Recommendation is based on recognition that the recommendation has been through credible peer review, including broad membership and significant community review, that it is stable and is well-understood, and that it is believed to have resolved known design choices.

For more information, please click HERE to read the full text of the announcement or visit the main SIPconnect page HERE.

To view or download the ratified SIPconnect Technical Recommendation Version 1.1, please click HERE.

The SIP Forum has created a repository of archived SIPconnect 1.1 documents, which includes submissions from Avaya, Broadsoft, CableLabs, Cbeyond, MetaSwitch, Microsoft and Siemens, and contains various draft iterations, including v.00 through v.27 documents.

Please click here for the SIPconnect 1.1 Document repository.

SIP Forum UA Configuration Recommendation Ratified and Published as RFC 6011 by the IETF

The SIP Forum has announced that its User Agent Configuration Recommendation for the locating, retrieving and maintaining of SIP User Agents has been ratified and published as RFC 6011 by the Internet Engineering Task Force (IETF).

The publishing of the recommendation as RFC 6011 marks a significant milestone for the SIP Forum, the leading IP communications industry association, and its UA Configuration Task Group, led by Chairman John Elwell, the Head of Standardization Strategy at Siemens Enterprise Communications GmbH. The UA Configuration Task Group has been working on the procedure since 2009, and has designed the standard in a manner that addresses the needs of end users and services providers, as well as both small businesses and large enterprises deploying SIP-enabled endpoints.

Now published as RFC 6011 by the IETF’s Internet Engineering Steering Group (IESG) after a public review process by the IETF community, the User Agent Configuration Recommendation (UA Config) sets a standard procedure for how a SIP User Agent locates, retrieves and maintains current configuration information for a given SIP Service Provider. It requires that each User Agent, the configuration agent at the service provider and network infrastructure meet such requirements to ensure communication.

To view the full text of the announcement, please click HERE.

To view the published text of RFC 6011, please visit http://tools.ietf.org/search/rfc6011.

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