X6U와 같은 IntroductionOverviewAdvanced IP 산업용 전화는 pl에 실패할 수 있습니다.
X6U 등 고급 산업용 IP 전화기는 일부 PBX 플랫폼에서 통화 대기 및 통화 전송 기능이 정상 작동하지 않을 수 있습니다. 해당 문제는 X6U 기기가 SDP에 영상 기능 정보를 포함하는 반면, 일부 PBX 시스템은 해당 모델의 영상 협상 기능을 지원하지 않기 때문에 발생합니다. 이로 인해 통화 대기 및 전송에 필요한 re-INVITE 요청이 PBX에서 거부되며 4xx, 5xx 응답 오류가 반환됩니다.
X6U/X210/X7C/X7/X7A/X3V/C600.
본 문서는 사내 연구개발 인력, 해당 IP 전화기 사용 고객, 고급 산업용 IP 전화기의 통화 대기 및 전송 장애 해결 방안을 확인하는 테스트 담당자를 대상으로 작성되었습니다.
전화기의 영상 기능을 비활성화합니다. 아래 그림과 같이 전화기 웹 인터페이스에 로그인 후 Phone Settings--Function Settings 항목에 진입하여 기본 응답 모드를 Audio로 설정합니다.

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