Polycom C16 - Manual (Page 384)

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
A - 42
Command Input channel Output channel
phone_auto_answer_en ✔
phone_connect ✔
phone_dial ✔
phone_dial_tone_gain ✔
phone_dtmf_gain ✔
phone_entry_tone_en ✔
phone_exit_tone_en ✔
phone_flash ✔
phone_flash_delay ✔
phone_redial ✔
phone_ring ✔
phone_ring_tone_en ✔
phone_tone_gain ✔
pstn_auto_hangup_loop_en ✔
pstn_country ✔
pstn_flash_delay_override ✔
pstn_in_gain ✔
pstn_line_voltage ✔
pstn_loop_current ✔
pstn_out_gain ✔