Module sms Management of Short Message Service

Type `sms`

sms.init()	Initialize the module.
sms.register(callback, senderp, messagep)	Registers a callback on SMS reception.
sms.send(recipient, message, format)	Sends an SMS.
sms.unregister(userid)	Cancels a callback registration on SMS reception.

Field(s)

Initialize the module.
No service provided by this module will work unless this initializer function has been called first.

Registers a callback on SMS reception.
New SMS will be notified if the sender of the SMS matches the given patterns.

callback: function to be called on sms reception matching both patterns with recepient and message as parameters. Callback signature: callback(recipient_string, message_string).
senderp: string lua pattern that matches the sender address; nil means "no filtering".
messagep: string lua pattern that matches the message (sms content), nil means "no filtering".

id (can be any Lua non-nil value) should to be used only to call #sms.unregister.
nil followed by an error message otherwise.

Sends an SMS.
Multiple SMS sending is done automatically if the message cannot be held in one SMS.

recipient: string, number/name of the SMS recipient.
message: string containing the message (binary).
format: string defining the format to use to send the message. Accepted values are "7bits" or "8bits".

Cancels a callback registration on SMS reception.