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