samsung os + asterisk + linksys + факсы

Здравствуйте, подскажите пожалуйста. Имеется следующее оборудование факс Panasonic KX FT -> Samsung os7400 -> Asterisk 1.8 -> Linksys 3102 -> факс Panasonic KX FT Не получается заставить ходить факсы в данной цепочке по g711 настройки Linksys:

Audio Configuration

Preferred Codec: g711a
Second Preferred Codec: g711u
Third Preferred Codec: unspecified
Use Pref Codec Only: yes
Silence Supp Enable: no
Silence Threshold: medium
G729a Enable: yes
G723 Enable:yes
G726-16 Enable: yes
G726-24 Enable: yes
G726-32 Enable: yes
G726-40 Enable: yes
DTMF Process INFO: yes
DTMF Process AVT: yes
DTMF Tx Method:auto
DTMF Tx Strict Hold Off Time:40
Hook Flash Tx Method:none
Release Unused Codec: yes
FAX T38 Redundancy:1
FAX Tone Detect Mode:caller or calee
Audio Dump Option2:none
Echo Canc Enable: yes
Echo Canc Adapt Enable: yes
Echo Supp Enable: yes
FAX CED Detect Enable:no
FAX CNG Detect Enable: yes
FAX Passthru Codec:g711a
FAX Codec Symmetric: yes
FAX Passthru Method:none
DTMF Tx Mode:normal
FAX Process NSE:no
FAX Disable ECAN:yes
FAX Enable T38:no
FAX T38 V29 Only:no
Audio Dump Option1:none
Symmetric RTP:no

Настройки Asterisk

sip.conf

sip show settings


Global Settings:
----------------
  UDP Bindaddress:        0.0.0.0:5060
  TCP SIP Bindaddress:    Disabled
  TLS SIP Bindaddress:    Disabled
  Videosupport:           No
  Textsupport:            No
  Ignore SDP sess. ver.:  No
  AutoCreate Peer:        No
  Match Auth Username:    No
  Allow unknown access:   Yes
  Allow subscriptions:    Yes
  Allow overlap dialing:  Yes
  Allow promisc. redir:   No
  Enable call counters:   No
  SIP domain support:     No
  Realm. auth:            No
  Our auth realm          asterisk
  Use domains as realms:  No
  Call to non-local dom.: Yes
  URI user is phone no:   No
  Always auth rejects:    Yes
  Direct RTP setup:       No
  User Agent:             Asterisk PBX 1.8.9.2
  SDP Session Name:       Asterisk PBX 1.8.9.2
  SDP Owner Name:         root
  Reg. context:           (not set)
  Regexten on Qualify:    No
  Legacy userfield parse: No
  Caller ID:              Unknown
  From: Domain:
  Record SIP history:     Off
  Call Events:            Off
  Auth. Failure Events:   Off
  T.38 support:           No
  T.38 EC mode:           Unknown
  T.38 MaxDtgrm:          -1
  SIP realtime:           Disabled
  Qualify Freq :          60000 ms
  Q.850 Reason header:    No
  Store SIP_CAUSE:        No

Network QoS Settings:
---------------------------
  IP ToS SIP:             CS0
  IP ToS RTP audio:       CS0
  IP ToS RTP video:       CS0
  IP ToS RTP text:        CS0
  802.1p CoS SIP:         4
  802.1p CoS RTP audio:   5
  802.1p CoS RTP video:   6
  802.1p CoS RTP text:    5
  Jitterbuffer enabled:   No

Network Settings:
---------------------------
  SIP address remapping:  Disabled, no localnet list
  Externhost:             <none>
  Externaddr:             (null)
  Externrefresh:          10

Global Signalling Settings:
---------------------------
  Codecs:                 0xc (ulaw|alaw)
  Codec Order:            alaw:20,ulaw:20
  Relax DTMF:             No
  RFC2833 Compensation:   No
  Symmetric RTP:          No
  Compact SIP headers:    No
  RTP Keepalive:          0 (Disabled)
  RTP Timeout:            0 (Disabled)
  RTP Hold Timeout:       0 (Disabled)
  MWI NOTIFY mime type:   application/simple-message-summary
  DNS SRV lookup:         Yes
  Pedantic SIP support:   Yes
  Reg. min duration       60 secs
  Reg. max duration:      3600 secs
  Reg. default duration:  120 secs
  Outbound reg. timeout:  20 secs
  Outbound reg. attempts: 0
  Notify ringing state:   Yes
    Include CID:          No
  Notify hold state:      No
  SIP Transfer mode:      open
  Max Call Bitrate:       384 kbps
  Auto-Framing:           No
  Outb. proxy:            <not set>
  Session Timers:         Originate
  Session Refresher:      uas
  Session Expires:        95 secs
  Session Min-SE:         90 secs
  Timer T1:               500
  Timer T1 minimum:       100
  Timer B:                32000
  No premature media:     Yes
  Max forwards:           70

Default Settings:
-----------------
  Allowed transports:     UDP
  Outbound transport:     UDP
  Context:                default
  Force rport:            Yes
  DTMF:                   rfc2833
  Qualify:                0
  Use ClientCode:         No
  Progress inband:        Never
  Language:               ru
  MOH Interpret:          default
  MOH Suggest:
  Voice Mail Extension:   asterisk