How to modify the length of the conference ID for scheduled conferences on the U1900 series unified gateway
57To modify the conference ID length for scheduled conferences on the U1900, run the config confid length length command in config mode.
The length parameter has two options: two and eight. The default value is eight.
Usage guideline
The length of the conference ID entered when a user joins a conference must be the same as that set in the system.
Example
Set the length of a conference ID to two digits: config confid length two