IM stands for Instant Messaging where as SMS stands for Short Message Service And, SMS is going phone number to phone number. so if i know your phone number, i can sms you can you can sms me back without having to log into our IM accounts, etc.
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Yes, it is
Apple's iMessage allows senders to confirm that a text message has been delivered, this service is only available on Apple's devices and to work fully both user and sender must be using wifi otherwise the iMessage is sent as a text message. iMessage is a free service (unless message has been sent as a text).
Sending a text message to an email address can be done through iMessage on an Apple iPhone using iOS. If you don't have an iPhone then this can be done through the TextConnect website.
The cellphone is always held and shown to others. The bible is always hidden and is not shown to others
An iMessage is essentially a text message on your phone, but on an Apple device. Apple is notorious for using the lower-case letter 'i' as a way of distinguishing their products from non-Apple products. Be aware that Apple's texting app is also called iMessage, as well as the individual texts.
Yes. IMessage is not the same as the text messaging you have in something like a Samsung phone. iMessage only works with other Apple devices that have iMessage.
If you have iMessage installed you can only iMessage other iDevices that has iMessage installed on them. If someone has an iPad 2 but not with 3G but has an iPhone, then the iMessage will go there iPhone.
If you have or can install the iMessage software on it you can but if not you can't. You can only iMessage other iDevices.
Now u can, with iMessage.
Yes - the only difference between the two - is an SMS contains only text, while an MMS includes a picture or video with the text message.
You use iMessage which is available on the latest iOS upgrade. iMessage operates via wifi, so you must be in reach of a wifi network in order for your iMessage to be sent.