Omni

The send runs sequentially through the channels in the order you set in channel_order, falling back one by one.
When an earlier channel fails to deliver, it switches automatically to the next channel, and you can specify up to 3 channels (2 Fallback steps).

alimtalk,rcs,smsOmni

A unified send that groups several channels by priority and switches automatically on failure.

Sequential FallbackUp to 3 channelsPer-channel fields required

Automatic failover

channel_order: alimtalk,rcs,sms

Alimtalk On failureRCS On failureSMS

If the preceding channel fails, it switches to the next one automatically. You can specify up to 3 channels (2 failovers).

Caution: You must enter every field that each channel requires.

Fallback flow

TEXT

Priority 1: Alimtalk ─── Success → Done
               │
               └── Failure (not installed / opted out)
                        │
                        ▼
        Priority 2: RCS ─── Success → Done
                        │
                        └── Failure (unsupported device)
                                 │
                                 ▼
              Priority 3: SMS ─── Send complete

channel_order examples

channel_order value	Behavior
`alimtalk,sms`	Sends an SMS when Alimtalk fails
`alimtalk,rcs,sms`	Sends RCS when Alimtalk fails, and an SMS when RCS fails

Examples

Send an SMS when Alimtalk fails (`alimtalk,sms`)

SQL

INSERT INTO msg_tran (
    channel_order, request_date, callback, recipient, msg_status,
    kko_msg_type, kko_content, kko_sender_key, kko_template_code,
    mt_content
) VALUES (
    'alimtalk,sms', NOW(), ';발신번호', '수신번호', '1',
    'AT', '알림톡 메시지 내용입니다.', '발신프로필키', '템플릿코드',
    'SMS 문자 내용입니다.'
);

;발신번호 in callback: Alimtalk omits the sender number (;), and SMS specifies one.

Send RCS when Alimtalk fails, and an SMS when RCS fails (`alimtalk,rcs,sms`)

SQL

INSERT INTO msg_tran (
    channel_order, request_date, callback, recipient, msg_status,
    kko_msg_type, kko_content, kko_sender_key, kko_template_code,
    rcs_content, rcs_msgbase_id, rcs_brand_key,
    mt_content
) VALUES (
    'alimtalk,rcs,sms', NOW(), ';발신번호;발신번호', '수신번호', '1',
    'AT', '알림톡 메시지 내용입니다.', '발신프로필키', '템플릿코드',
    '{"body":{"description":"RCS 메시지 내용입니다."}}', 'RPSSAXX001', 'RCS 브랜드 키',
    'SMS 문자 내용입니다.'
);

;발신번호;발신번호 in callback: Alimtalk omitted, then the RCS sender number, then the SMS sender number, in that order.