Hi Rebecca,
I am also having the same requirement in our scope so that I am also gathering knowledge on the same.
Certain things which I came to know, If it may be useful.
1. Which adapter can be used in the receiver side?
A: You can configure & use JMS adapter, Below are useful links.
SAP Library - Configuring the JMS Adapter in the Integration Directory/PCK
SAP Library - Configuring the JMS Adapter in the Integration Directory/PCK
2. What details i have to take input from SMS server team?
A: Also ask the SMS Server team for the technical details to be used in Receiver Communication Channel.
e.g. Host
Port
URL Connection
etc.
Regards,
Dipen.