SMS stands for Short Message Service. SMS or text message are short messages that can be sent and received by a mobile phone. With a SMS, you can send a message of up to 160 characters to another device. Longer messages will automatically be split up into several parts. Most cell phones support this type of text messaging.
MMS stands for Multimedia Messaging Service and this type of text messaging is an evolution of the SMS. With a MMS, you can send a message including pictures, video, or audio content to another device. It is most commonly used to send a photo taken with a camera phone to another phone. Most new cell phones with multimedia capabilities support MMS.
Text messages are a short and convenient way of communicating. According to research, the adoption of mobile devices is in the billions worldwide and a device is nearly always in someone’s hand. Text messages arrive right in someone’s pocket, no matter where they are. Email is still really useful, but for short communication, text messaging is the best.
Typically, your text will arrive on their phone within a few seconds. Please keep in mind, the delivery of the message still relies on the carrier; during very busy times, the carrier’s network (itself) could experience a delay.
Keywords used on shared telephone numbers will limited to availability. There would need to be a creative way of coming up with a keyword that is not being used by another client. On the other hand, if you have purchased your dedicated marketing telephone number then you have the flexibility of using whatever keyword you like. The amount of keywords you would like to implement is up to you as they are charged on a per keyword.