LanguageCert Level 1 Certificate in ESOL International (Listening, Reading, Writing, Speaking) (LanguageCert Academic B2), Ofqual Qualification Number: 610/1457/6 LanguageCert International ESOL, B2 level certificate holder can understand main ideas of complex communication, interact with a degree of fluency and spontaneity without strain for either party, engage in discussion in familiar and unfamiliar situations, and communicate in detail, appropriate to purpose and audience. For more information please refer to the Common European Framework of Reference (CEFR).