Figure 3 from Using T.38 and SIP for real-time fax transmission over IP networks | Semantic Scholar
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T.38 FAX RELAY (VoIP)
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Fax
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Figure 2 from Using T.38 and SIP for real-time fax transmission over IP networks | Semantic Scholar
SIP Signaling Support for T.38 Fax Media Sessions (for Non-Call Agent Mode)
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T38 Fax Over Internet Protocol | T 38 Protocol
T38 Fax Over Internet Protocol | T 38 Protocol
FAX Detection
T.38 FAX RELAY (VoIP)
