This guide is for channels using the AI Edition.
AI Edition is a new pricing plan available to subscribe to from October 16, 2026.
If you are on the existing pricing plan (SaaS Edition), please check the SaaS Edition Subscription and Payment Guide.
External Transmission
You can check the history of SMS messages, emails, and notification messages sent via follow-up alerts, marketing messages, workflows, and more.
You can view the history broken down by month, date, and individual marketing campaign.
Only histories sent via 'Follow-up Alerts' or 'Marketing Messages' are counted in External Transmission History.
Messages sent via 'New Conversation' or emails sent via 'Email-linked user chat' (including forwarded emails) are not logged in External Transmission History.
Kakao CS Talk
You can view the history of messages sent via Kakao support chat. Check usage by month and by date.
Phone
You can check the inbound and outbound call history and call duration by month and date.
Date filter: Check the history of transmissions sent by month.
Condition filter
All: View all transmission history sent via ChannelTalk for that month.
Marketing - Campaign: View history sent via specific campaigns.
Marketing - One-time: View history sent via specific one-time messages.
Transmission count: Shows the total number of transmissions matching the filter conditions and the amount sent by medium.
Transmission history by date: Click on a date to see detailed transmission history for that day.
Category: If sent as a marketing message, the name of the marketing message is shown; if sent as a follow-up alert, 'Reply Notification' is shown.
Status: You can check whether the message was sent. Hover over the (?) icon on the right to see the reason for failure.
Transmission method: The transmission method is displayed (e.g., SMS, LMS, MMS, Email, Notification message).
Recipient info: The delivered contact information is displayed.
Transmission history can only be looked up for up to 1 year.
The amount displayed at the bottom of the month you viewed is the number of messages used in that month, which may differ from the actual usage during the billing cycle.
Example: Even if the payment date is November 15, the transmission history for the entire month of November will be shown.
You can download the history as an XLSX or JSONL file.
You can check the result of each individual SMS message and notification message transmission to see if it was sent successfully.
Sent: The message was successfully delivered.
Excluded: The message was filtered and not sent. It may be filtered based on ChannelTalk's internal criteria, such as integration errors or exceeding usage limits.
Failed: ChannelTalk sent a delivery request, but the message delivery vendor (carrier) filtered and did not deliver the message. (e.g., carrier settings, recipient device settings, etc.)
How to check exclusion and failure reasons
Channel Settings → Subscriptions & Payments → External Transmission History → Click the date you want to view → Status → Hover your mouse over the (?) icon next to 'Failed' to see the reason for each exclusion or failure.
[Excluded] Reasons and Details
Code | Reason | Details |
|---|---|---|
10000 | Invalid user or contact | |
10001 | Contact already sent | |
10002 | Integration error | Integration error including external messenger integration cancellation or service block |
10003 | Not on a paid plan | Paid plan was suspended before sending a message via marketing or workflow |
10004 | Usage limit reached | PU (SMS, social media) limit has been reached |
10005 | Usage limit reached | Marketing sending limit (1,000) reached during free trial |
10006 | Opted out of promotional marketing | Recipient opted out of promotional SMS/email |
10007 | Message usage restriction | Notification message not sent when a team member starts the conversation first via 'New Support Chat' |
10008 | Message usage restriction | SMS not sent to regions other than Korea, Japan, or North America |
10999 | Other internal system error | |
11000 | Sender profile required | Excluded if no North American phone number for North American recipients |
11001 | Sender profile required | Excluded if no sender profile for marketing (Sender ID, North American phone number) |
11002 | Twilio usage limit reached | Excluded if daily Twilio usage is exceeded |
11999 | Other internal system filter | |
ME09 | Delivery uncertain | Delivery uncertain depending on recipient's device environment at time of sending |