1. Essentials Guide
  2. ENUM Based Oracle Communications Unified Session Manager
  3. Extended ENUM Record Length
  4. NAPTR Record Format

NAPTR Record Format

Oracle Communications Unified Session Managers learn that an associated TXT record exists for the from a NAPTR lookup for the queried SIP URI.

In the DDNS update, the Oracle Communications Unified Session Manager indicates an associated TXT record by setting the NAPTR resource record with:

  • m in the flags field (in addition to the u flag)
  • E2U+sip:contact in the service type field

When no additional metadata and no parameters need to stored in ENUM server, the flags field contains u.