Hi all, ich added following lines in avpair.c function rc_avpair_assign before "case PW_TYPE_STRING:": case PW_SIP_USER_ID: case PW_SIP_USER_REALM: case PW_SIP_USER_NONCE: case PW_SIP_USER_METHOD: case PW_SIP_USER_DIGEST_URI: case PW_SIP_USER_NONCE_COUNT: case PW_SIP_USER_QOP: case PW_SIP_USER_OPAQUE: case PW_SIP_USER_RESPONSE: case PW_SIP_USER_CNONCE: case PW_TYPE_STRING: this should help to build the radius-message. Bjoern