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IMSupport

Internally, Opal transports IM as frames of T.140 text data encapsulated as per RFC 4103

Over SIP, Opal supports 4 messaging types:

- RFC 3428 page mode using MESSAGE requests outside a call

- RFC 3428 session mode using MESSAGE requests inside a call

- RFC 4975 MSRP (partially supported) signalled using "message" SIP type with transport "tcp/msrp"

- Page mode using MESSAGE requested, but signalled using "message" SDP type with transport "sip"

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Page last modified on June 12, 2009, at 02:16 AM