Inclusion Criteria:  Diagnosis of post-traumatic headache disorder (migraine and/or tension-type subtype) Frequency of ≥4 headache days per month Primary pain complaint of headache Access to a touchtone telephone and computer/tablet  Exclusion Criteria:  Non-English speaking Non-Veteran Receiving hospice or palliative care Sensory deficits that would impair participation in the IVR telephone calls Significant cognitive impairment Inpatient psychiatric hospitalization for any psychiatric or substance use diagnosis in the past 30 days from screening Active psychotic symptoms, suicidality, or severe depressive symptoms Suicidal and/or homicidal ideation in the past 6 months from screening