SMPP

SMPP is the industry standard for sending and receiving SMS. Please contact our customer service to enable this feature.

Get SMPP Account

Please contact customer service to create your own SMPP account.

Using SMPP

Connection

Please connect to the following server:

Server Address	Server Port	SSL Server Port
smpp.ycloud.com	30002	30012

Contact us to retrieve our public certificate.

Binding

To send a bind request, please contact us to retrieve your SMPP system ID and password.

Status	Description
0	Success
3	Invalid SMPP system ID and password
5	Exceeds connection limit

Submitting Messages

Status	Description
0	Success
4	Invalid phone number
6	Exceeds connection limit

Delivery Reports

Below is an example of the "short_message" parameter in the "deliver_sm" PDU:

id:11041301030001006668 sub:001 dlvrd:001 submit date:2111040501 done date:2111040501 stat:DELIVRD err:0 text:none

"Submit date" and "done date" are in UTC time.

When sending, 'err' is '0', other values are:

Error Code	Description
3	Insufficient balance
4	Use of sensitive words not allowed
10	The phone number is blacklisted
18	Invalid signature. Signatures are required for SMS in Mainland China
65	Rejected by us, usually for SMS in Mainland China