The IP500 Phone 30 comes equipped with 30 Plain Ordinary Telephone ports that are used with analog telephones and has the same functionality as the IP400 V2.
Compatibility: Supported by IP Office core software level 2.1 (36) minimum P403, IP406 V1, IP406 V2, and IP412 IP500 running R 4.2 or earlier; Professional Edition is required IP500 running R 5.0 or higher IP500 V2 running R 6.0 or higher