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SIP’s instant messaging support and capabilities are basically the same as SMS. You can also negotiate MSRP over it, which adds group chat, which is what RCS do
by Arathorn 3y ago
SIP’s instant messaging support and capabilities are basically the same as SMS. You can also negotiate MSRP over it, which adds group chat, which is what RCS does (the thing Google Messages speaks), but stuff like scrollback and e2e encryption is missing. It also doesn’t put an emphasis on extensibility, unlike XMPP & Matrix.