Talk:Back-to-back user agent
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a B2BUA isn't only used in IMS networks - it can also be found in older SIP networks --Bluezy 23:15, 30 January 2006 (UTC)
a B2BUA isn't only used in IMS networks - it can also be found in older SIP networks --Bluezy 23:15, 30 January 2006 (UTC)