org/interdiction-routes-grises-sms-marketing-et-transactionnels/ Encoding and Segments: What's All phone number philippines That? arduinogsm-gif02.mp4 SMS uses a telecommunications protocol. This protocol describes the encoding of the message and the concept of segments. Let's see together what this means because these concepts have a significant impact on the cost of your SMS campaigns. Segments An SMS can contain 140 bytes in computer format. If a message exceeds this capacity, then it is broken down into several blocks, called Segments . Bytes are all well and good, but what do they really mean for my text messages? Well it depends… um, but what else? Actually it depends on 2 things: Encoding the message The length of the message is the number of characters to send.
But why use the USC-2 standard which seems less advantageous? We will see this in the section Encoding: GSM-7 and USC-2, what is it? The number of characters in a message also has an impact on the size of a segment. Indeed, if the maximum capacity of an SMS is exceeded (160 in GSM-7, or 70 in USC-2), then the message will have to be broken down into several segments (message pieces). And to indicate that the message is composed of several segments and to define the order of these segments, it is necessary to use part of the 140 bytes of an SMS.
Concretely, we will have the following capabilities for a multi-segment message: GSM-7 encoding : 153 characters per segment USC-2 encoding : 67 characters per segment Twilio provides a website to calculate all of this. It is described in the How to find out the number of segments in a message section . Here is an example of a 133-character single-segment message in GSM-7, i.e. one segment: segment calculation 1 Here is an example of a 78-character message in USC-2, or 2 segments: segment calculation 1 So you should remember that if your message exceeds the maximum number of characters for an SMS, then it will be broken down into small pieces called segments.