What is the maximum Sender ID length?
How long can the Sender ID be?
- Sender ID
As a general rule, in SMS the maximum length allowed for message originator (Sender ID &from=) is:
- 11 characters maximum length for alphanumeric originators.
- 15 digits maximum length for numeric originators.
When I've sent a message with numbers longer then 11 characters (14) the message has been delivered with from value "NXSMS"?
Above you state "15 digits maximum length for Numeric Originators".
Are you sure this is working right?
There are certain destinations with specific Carrier Restrictions where senders are modified based on filtering rules in place on the Carrier side to ensure delivery. You can find a break down in a per country basis in our Country Specifics Forum:
Please create a ticket providing some examples by sending an email to firstname.lastname@example.org if we can be of further assistance in these regards.
Are UTF-8 characters allowed and does "11 characters maximum length for Alphanumeric Originators" count UTF-8 characters or is it a Byte-length?
Please note our Country Specific guidelines can now be found on this new location:
Article is closed for comments.