The SIP Forum and i3 Forum Partner on Fax Interoperability

The SIP Forum and the i3 Forum are collaborating to spur the interoperability of SIP-based carrier services, including Fax-over-Internet-Protocol (FoIP) interoperability on a global basis.


The partnership brings together two premier organizations tasked with similar missions -- to accelerate the deployment of IP-based communications worldwide -- but with different stakeholder communities. The SIP Forum features a broad membership of primarily telecom applications, services, and infrastructure vendors, as well as a growing list of US-based cable operators and service providers. The i3 Forum's global membership focuses on international service providers.


As done since last January, the SIP Forum leadership and its FoIP Task Group will continue working with i3 Forum membership committees on joint technical initiatives pertaining to FoIP. Collectively, the two groups will address key interoperability issues pertaining to the deployment of fax services, specifically ITU-T T.38, in SIP-based networks. The challenges surrounding IP-based fax and the use of T.38 make it difficult for users to determine if T.38 can or will work reliably and thus offer a viable alternative to traditional TDM-based fax transport.
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