aykutalparslan

Normally used by the server to respond to the receipt of a duplicate msg_id, especially if a response to the message has already been generated and the response is large....

[](https://core.telegram.org/mtproto/service_messages_about_messages#extended-voluntary-communication-of-status-of-one-message)Either party may voluntarily inform the other party of the status of the messages transmitted by the other party. ``` msgs_all_info#8cc0d131 msg_ids:Vector long info:string = MsgsAllInfo ``` All message codes...

If either party has not received information on the status of its outgoing messages for a while, it may explicitly request it from the other party: ``` msgs_state_req#da69fb52 msg_ids:Vector long...

[](https://core.telegram.org/mtproto/service_messages_about_messages#request-for-message-status-information)In certain cases, a server may notify a client that its incoming message was ignored for whatever reason. Note that such a notification cannot be generated unless a message is...