Можно ли получить документацию по настройке 1402S через telnet?

У меня задача простая. Нужно что голос шел по кодеку 729 а фах автоматически по 711 (fax through) .
Никак неполучается. На что нужно обратить внимание в TELNET конфигурации?

192.168.15.1>show coding

Configuration for coding profile id 1:
Tx Coding = G.711 MU
Rx Coding = G.711 MU
Coding profile for voice

Tx VIF size = 1920 (bits)
Rx VIF size = 1920 (bits)
VAD = Enabled
VAD threshold = Adaptive VAD
Playout nominal delay = 40 (msec)
Playout maximum delay = 60 (msec)
Playout minimum delay = 0 (msec)
Adaptive Playout = Disabled
Rate = 14400
DTMF Relay = inband:not reported to host
Tone detect = Enabled
Call Progress Tone detect = Disabled
V.18 Tone detect = Disabled
SS7 COT Tone detect = Disabled
SF Sig Tone detect = Disabled
EC = Enabled
EC NL = Enabled
EC NL Sens = 327
EC Tail = 8 (msec)
EC Refresh = Update
EC Coeffs = Normal
EC Auto Update = Disabled
EC Auto Search = Disabled
EC Search Freeze = Disabled
Modem TX level = 0 (dB)
Modem CD threshold = 0
Modem no activity timeout = 0 (sec)

Caller ID Support = ENABLED

Resampling = Disabled
EC Config = NLP_FIXED
NLP Confort Noise = 65486

SID Retx Rate = 0

Encapsulation = RTP
Tx ssrc = 0
Tx start timestamp = 0
Rx ssrc = 0
Rx start timestamp = 0
Tx digit payload = 100
Rx digit payload = 100
Digit repetitions = 3
Secondary Decoder = Disabled