# fax ###### A fax number consists of an area code and a direct dial component ➡ Request Parameter ## `` If a distinction between the area code and direct dial is not possible, the complete phone number may be entered in the `direct-dial` field. | Type | Condition | | --- | --- | | phoneType | Optional | # fax > area-code ###### Area code of fax number ➡ Request Parameter ## `` | Type | Condition | Restriction | | --- | --- | --- | | xs:string | Optional | Pattern see XSDLength <=30 | # fax > direct-dial ###### Direct dial of fax number ➡ Request Parameter ## `` | Type | Condition | Restriction | | --- | --- | --- | | xs:string | Mandatory | Pattern see XSDLength <=30 |