Built in: 2port DPT, 4port SLT, 2port PFT, 2ch ESVM 4x NT/UT Extension Users, 2ch UM (NOTE: DSP required for NT/UT phones, and DSP+SD card required for UM facility)
Built in: 2port DPT, 4port SLT, 2port PFT, 2ch ESVM 4x NT/UT Extension Users, 2ch UM (NOTE: DSP required for NT/UT phones, and DSP+SD card required for UM facility)