A CMPP_DELIVER operation is that ISMG delivers a message forwarded from SMSC or another ISMG to SP, which responds with a CMPP_DELIVER_RESP message.

• CMPP_DELIVER操作的目的是ISMG把从短信中心或其它ISMG转发来的短信送交sp，sp以MPP_DELIVER_REsp消息回应。