diff --git a/pkg/sdp/sdp.go b/pkg/sdp/sdp.go
index 31f02f10..52015e23 100644
--- a/pkg/sdp/sdp.go
+++ b/pkg/sdp/sdp.go
@@ -111,7 +111,14 @@ func (s *SessionDescription) unmarshalOrigin(value string) error {
 	tmp, value = value[i+1:], value[:i]
 
 	var err error
-	s.Origin.SessionVersion, err = strconv.ParseUint(tmp, 10, 64)
+
+	switch {
+	case strings.ContainsAny(tmp, "."):
+		i := strings.Index(tmp, ".")
+		s.Origin.SessionVersion, err = strconv.ParseUint(tmp[:i], 16, 64)
+	default:
+		s.Origin.SessionVersion, err = strconv.ParseUint(tmp, 10, 64)
+	}
 	if err != nil {
 		return fmt.Errorf("%w `%v`", errSDPInvalidNumericValue, tmp)
 	}
@@ -132,6 +139,9 @@ func (s *SessionDescription) unmarshalOrigin(value string) error {
 		s.Origin.SessionID, err = strconv.ParseUint(tmp[2:], 16, 64)
 	case strings.ContainsAny(tmp, "abcdefABCDEF"):
 		s.Origin.SessionID, err = strconv.ParseUint(tmp, 16, 64)
+	case strings.ContainsAny(tmp, "."):
+		i := strings.Index(tmp, ".")
+		s.Origin.SessionID, err = strconv.ParseUint(tmp[:i], 16, 64)
 	default:
 		s.Origin.SessionID, err = strconv.ParseUint(tmp, 10, 64)
 	}
diff --git a/pkg/sdp/sdp_test.go b/pkg/sdp/sdp_test.go
index c535b339..c8c0e235 100644
--- a/pkg/sdp/sdp_test.go
+++ b/pkg/sdp/sdp_test.go
@@ -2555,6 +2555,51 @@ var cases = []struct {
 			}},
 		},
 	},
+	{
+		"issue mediamtx/2558",
+		[]byte("v=0\r\n" +
+			"o=- 1698210484.879535 1698210484.879535 IN IP4 46.242.10.231:12626\r\n" +
+			"s=Playout\r\n" +
+			"m=video 0 RTP/AVP 96\r\n" +
+			"a=rtpmap:96 H264/90000\r\n" +
+			"a=fmtp:96 packetization-mode=1; profile-level-id=33;" +
+			" sprop-parameter-sets=Z00AM4qKUDwBE/L/4AAgAC2AgA==,aO48gA==\r\n"),
+		[]byte("v=0\r\n" +
+			"o=- 97041581188 97041581188 IN IP4 46.242.10.231:12626\r\n" +
+			"s=Playout\r\n" +
+			"m=video 0 RTP/AVP 96\r\n" +
+			"a=rtpmap:96 H264/90000\r\n" +
+			"a=fmtp:96 packetization-mode=1; profile-level-id=33;" +
+			" sprop-parameter-sets=Z00AM4qKUDwBE/L/4AAgAC2AgA==,aO48gA==\r\n"),
+		SessionDescription{
+			Origin: psdp.Origin{
+				Username:       "-",
+				SessionID:      97041581188,
+				SessionVersion: 97041581188,
+				NetworkType:    "IN",
+				AddressType:    "IP4",
+				UnicastAddress: "46.242.10.231:12626",
+			},
+			SessionName: "Playout",
+			MediaDescriptions: []*psdp.MediaDescription{{
+				MediaName: psdp.MediaName{
+					Media:   "video",
+					Protos:  []string{"RTP", "AVP"},
+					Formats: []string{"96"},
+				},
+				Attributes: []psdp.Attribute{
+					{
+						Key:   "rtpmap",
+						Value: "96 H264/90000",
+					},
+					{
+						Key:   "fmtp",
+						Value: "96 packetization-mode=1; profile-level-id=33; sprop-parameter-sets=Z00AM4qKUDwBE/L/4AAgAC2AgA==,aO48gA==",
+					},
+				},
+			}},
+		},
+	},
 }
 
 func TestUnmarshal(t *testing.T) {