| Version | 1 |
| Variant | specified in RFC 4122 |
| urn | urn:uuid:00000000-0000-1000-8000-001122334455 |
| Hexdump | 00000000000010008000001122334455 |
| Bytes | ␀␀␀␀␀␀␐␀Ç␀␀␑"3DU |
| Clock ID | 0 |
| Clock ID (hex) | 0x0 |
| Timestamp, RFC | 1582-10-15 00:00:00 |
| Timestamp, MS | 1601-01-01 00:00:00 |
| Timestamp, UNIX | 1970-01-01 00:00:00 |
| Raw hex timestamp | 0x0 |
| Raw timestamp | 0 |
| Sub-millisecond timestamp | 0 |
| MAC Address | 001122334455 |
| is_local bit | False |
| is_multicast bit | False |
| MAC Manufacturer | CIMSYS |
| UUIDv1 | timestamp + clock_id + version (1) + node ID (MAC) |
| MAC Date | 2004-04-25, wireshark.org, 001122/24 |
Seen in RFC 6011 Counts : rfc6011:2 RFC 6011 SIP UA Configuration October 2010 2.3.3. Configuration Request URI Example Using the rules in Section 2.2, "Obtaining the Configuration Service Domain", the UA has determined that the Configuration Service Domain value is "example.net". To obtain the base URL, the UA constructs the DNS NAPTR request for "example.net.", which returns the DNS records: NAPTR 10 10 "u" "SFUA.CFG" "!^.*$!https://p1.example.net/cfg!" "" NAPTR 100 10 "u" "SFUA.CFG" "!^.*$!https://p2.example.net/cfg!" "" NAPTR 90 50 "s" "SIP+D2T" "" _sip._tcp.example.net. NAPTR 100 50 "s" "SIP+D2U" "" _sip._udp.example.net. Figure 1: Example Configuration Service NAPTR Query Results The records with the service-field "SFUA.CFG" each provide a base URL value for SIP UA configuration requests. Our hypothetical example communications device is a 'HypoComm' version 2.1, made by ExampleCorp, and has the link layer MAC address of 00:11:22:33:44:55. It does not have any prior knowledge of a user identity for which to request configuration, so it constructs query parameters using the values it does have, combining each with the base URL to create these request URLs (lines wrapped for readability): https://p1.example.net/cfg ?sfua-id=urn:uuid:00000000-0000-1000-8000-001122334455 &sfua-vendor=examplecorp.com &sfua-model=HypoComm &sfua-revision=2.1 https://p2.example.net/cfg ?sfua-id=urn:uuid:00000000-0000-1000-8000-001122334455 &sfua-vendor=examplecorp.com &sfua-model=HypoComm &sfua-revision=2.1 Figure 2: Example Configuration Request URLs Lawrence & Elwell Informational [Page 12]