The 'fax' Enumservice

The 'fax' Enumservice points from an E.164 (phone) number to another phone number, where faxes for the number should be sent to. The number where faxes should be sent to is contained in a 'tel' URI in ENUM record. The 'tel' URI scheme itself is documented in RFC 3966.

Enumservice type: fax
Enumservice subtype: tel
Valid URI schemes: tel
Specified in: RFC 4355

The 'fax' Enumservice is specified in the same RFC as some other related Enumservices. Other services specified in RFC 4355 are email, mms, ems, and sms.

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