Constants used in the ENUM services.
| Property Key | Property Value |
|---|---|
| email_mailto | email mailto |
| ems_mailto | ems mailto |
| ems_tel | ems tel |
| fax_tel | fax tel |
| ft_ftp | ft ftp |
| H323 | H323 |
| ifax_mailto | ifax mailto |
| im | im |
| mms_mailto | mms mailto |
| mms_tel | mms tel |
| pres | pres |
| pstn_sip | pstn sip |
| pstn_tel | pstn tel |
| SIP | SIP |
| sms_mailto | sms mailto |
| sms_tel | sms tel |
| voice_tel | voice tel |
| VPIM_LDAP | VPIM LDAP |
| VPIM_MAILTO | VPIM MAILTO |
| web_http | web http |
| web_https | web https |
| xmpp | xmpp |