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SMS, or "Short Message Service," is a quick, convenient, and cost-effective way to send short text messages over mobile networks. It's widely used for personal and business communication, typically limited to a few dozen to a few hundred characters per message. SMS is commonly utilized for sending verification codes, notifications, and reminders.
Character Limit
SMS messages have a character limit of 160 characters per message. If messages are not encoded with GSM-7, the limit is reduced to 70 characters. When messages exceed 160 characters, they are split into multiple individual SMS messages.
Encoding
Use Messaging Segment Calculator Tool
GSM-7
GSM-7 is the standard encoding for GSM messages, utilizing a 7-bit default alphabet. In SMS transmission, 140 8-bit octets are sent at a time. GSM-7 encoded SMS messages can carry up to 160 characters. Large messages are segmented into 153 characters each. For instance, a message of 171 characters will be sent as two messages: one with 153 characters and another with 18 character
GSM support chars as below
UCS-2
UCS-2 is a character encoding standard in which characters are represented by a fixed-length 16 bits (2 bytes). UCS-2 encoding message is 70 characters each, large messages will be segmented into 67 characters each. For example, 81 characters will be sent as two messages. One with 67 characters, and the other with 14 characters.
Sender ID
Sender ID shows who send this message.
50350142 is the Sender ID of this message, and the Sender ID can also be a brand name (e.g., Google, Microsoft).
How do I have my own Sender ID?
Register Sender ID through YONI-TECH.
For registration, here are the pieces of information you need to provideοΌ
- Sender ID
- Target countries
- Company website
- Typical template
- Industry
NOTE
Compliance Rules: The Sender ID must comply with relevant local laws and regulations, and must not contain illegal, obscene, insulting, or fraudulent content.
Brand-related Rules: If the Sender ID is a brand name, it must match the registered information of the company or organization, or relevant authorization documents must be provided.
Format Rules: There is usually a limitation on the length of the Sender ID, typically within 11 characters, and special characters or spaces may not be allowed.
Approval Process: The registration of Sender ID may need to be approved by telecommunications operators or regulatory authorities, and the approval process may take some time.
It should be noted that the specific registration requirements and rules may vary depending on the region, telecommunications operator, and communication regulatory authority. It is recommended to carefully read the relevant regulations and prepare the required materials before registration.