Configure Fax Passthrough E

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'''Parameters (text)'''
 
'''Parameters (text)'''
 
<pre>
 
<pre>
/configurations/tb_academy_demo_config/profiles/freeswitch
+
/configurations/@[configuration_name]/profiles/@[profile_name]
name                            = "freeswitch"
+
name                            = "@[profile_name]"
  
/configurations/tb_academy_demo_config/profiles/freeswitch/call_transfer_options
+
/configurations/@[configuration_name]/profiles/@[profile_name]/call_transfer_options
 
call_transfer_mode              = "Relay"
 
call_transfer_mode              = "Relay"
 
call_transfer_timeout            = "1 minute"
 
call_transfer_timeout            = "1 minute"
 
terminate_transferor_immediately = false
 
terminate_transferor_immediately = false
  
/configurations/tb_academy_demo_config/profiles/freeswitch/ivr_record
+
/configurations/@[configuration_name]/profiles/@[profile_name]/ivr_record
 
vad_enabled          = false
 
vad_enabled          = false
 
vad_noise_floor_level = "-30"
 
vad_noise_floor_level = "-30"
  
/configurations/tb_academy_demo_config/profiles/freeswitch/lnp_options
+
/configurations/@[configuration_name]/profiles/@[profile_name]/lnp_options
 
incoming_lnp_mode = "Terminate LNP"
 
incoming_lnp_mode = "Terminate LNP"
 
outgoing_lnp_mode = "No LNP insertion"
 
outgoing_lnp_mode = "No LNP insertion"
  
/configurations/tb_academy_demo_config/profiles/freeswitch/mlpp_options
+
/configurations/@[configuration_name]/profiles/@[profile_name]/mlpp_options
 
look_ahead_for_busy = "LFB allowed"
 
look_ahead_for_busy = "LFB allowed"
 
network_identity    = 0
 
network_identity    = 0
Line 66: Line 66:
 
service_domain      = 0
 
service_domain      = 0
  
/configurations/tb_academy_demo_config/profiles/freeswitch/tdm_line
+
/configurations/@[configuration_name]/profiles/@[profile_name]/tdm_line
 
subject_to_electric_hybrid_echo = true
 
subject_to_electric_hybrid_echo = true
  
/configurations/tb_academy_demo_config/profiles/freeswitch/tones_and_call_progress_options
+
/configurations/@[configuration_name]/profiles/@[profile_name]/tones_and_call_progress_options
 
busy_tone_max_duration                    = "30 seconds"
 
busy_tone_max_duration                    = "30 seconds"
 
default_digit_duration                    = 100
 
default_digit_duration                    = 100
Line 76: Line 76:
 
tone_definition_profile                    = "USA-Canada"
 
tone_definition_profile                    = "USA-Canada"
  
/configurations/tb_academy_demo_config/profiles/freeswitch/tones_and_call_progress_options/early_media_relay_and_ring_tone_generation
+
/configurations/@[configuration_name]/profiles/@[profile_name]/tones_and_call_progress_options/early_media_relay_and_ring_tone_generation
 
connect_full_duplex_during_early_media = false
 
connect_full_duplex_during_early_media = false
 
delay_before_connecting_early_media    = "0 millisecond"
 
delay_before_connecting_early_media    = "0 millisecond"
Line 83: Line 83:
 
ring_tone_starting_state              = "Call Alerted"
 
ring_tone_starting_state              = "Call Alerted"
  
/configurations/tb_academy_demo_config/profiles/freeswitch/custom_cause_maps
+
/configurations/@[configuration_name]/profiles/@[profile_name]/custom_cause_maps
  
/configurations/tb_academy_demo_config/profiles/freeswitch/tdm
+
/configurations/@[configuration_name]/profiles/@[profile_name]/tdm
  
/configurations/tb_academy_demo_config/profiles/freeswitch/tdm/ss7
+
/configurations/@[configuration_name]/profiles/@[profile_name]/tdm/ss7
 
default_backward_call_indicator              = "0x5404"
 
default_backward_call_indicator              = "0x5404"
 
default_backward_call_indicator_enforce_mask = "0x0000"
 
default_backward_call_indicator_enforce_mask = "0x0000"
Line 103: Line 103:
 
send_charge_number_ie_in_iam                = false
 
send_charge_number_ie_in_iam                = false
  
/configurations/tb_academy_demo_config/profiles/freeswitch/tdm/ss7_or_isdn
+
/configurations/@[configuration_name]/profiles/@[profile_name]/tdm/ss7_or_isdn
 
always_send_alerting            = false
 
always_send_alerting            = false
 
cnam_collection_timeout        = "1 second"
 
cnam_collection_timeout        = "1 second"
Line 114: Line 114:
 
support_2_calling_number_ie    = false
 
support_2_calling_number_ie    = false
  
/configurations/tb_academy_demo_config/profiles/freeswitch/voip
+
/configurations/@[configuration_name]/profiles/@[profile_name]/voip
  
/configurations/tb_academy_demo_config/profiles/freeswitch/voip/fax_modem_relay
+
/configurations/@[configuration_name]/profiles/@[profile_name]/voip/fax_modem_relay
 
detection_mode                        = "Standard"
 
detection_mode                        = "Standard"
 
enable_early_fax_modem_tone_detection = false
 
enable_early_fax_modem_tone_detection = false
Line 127: Line 127:
 
switch_to_passthrough_upon_bell_ans  = true
 
switch_to_passthrough_upon_bell_ans  = true
  
/configurations/tb_academy_demo_config/profiles/freeswitch/voip/fax_modem_relay/fax_modem_passthrough_parameters
+
/configurations/@[configuration_name]/profiles/@[profile_name]/voip/fax_modem_relay/fax_modem_passthrough_parameters
 
codec              = "PCMU"
 
codec              = "PCMU"
 
detection_type      = "NONE"
 
detection_type      = "NONE"
Line 136: Line 136:
 
use_nse            = false
 
use_nse            = false
  
/configurations/tb_academy_demo_config/profiles/freeswitch/voip/fax_modem_relay/t38_parameters
+
/configurations/@[configuration_name]/profiles/@[profile_name]/voip/fax_modem_relay/t38_parameters
 
fill_bit_removal            = false
 
fill_bit_removal            = false
 
max_bitrate                  = "14400"
 
max_bitrate                  = "14400"
Line 143: Line 143:
 
use_v34                      = false
 
use_v34                      = false
  
/configurations/tb_academy_demo_config/profiles/freeswitch/voip/rtp_and_audio
+
/configurations/@[configuration_name]/profiles/@[profile_name]/voip/rtp_and_audio
 
clear_channel_packet_duration      = "20ms"
 
clear_channel_packet_duration      = "20ms"
 
codec_g726_aal2_format            = false
 
codec_g726_aal2_format            = false
Line 150: Line 150:
 
vad_noise_floor_level              = "-45"
 
vad_noise_floor_level              = "-45"
  
/configurations/tb_academy_demo_config/profiles/freeswitch/voip/rtp_and_audio/echo_cancellation
+
/configurations/@[configuration_name]/profiles/@[profile_name]/voip/rtp_and_audio/echo_cancellation
 
echo_cancellation_enabled        = true
 
echo_cancellation_enabled        = true
 
enable_coefficient_update        = true
 
enable_coefficient_update        = true
Line 157: Line 157:
 
non_linear_processor_tune_option = "Normal"
 
non_linear_processor_tune_option = "Normal"
  
/configurations/tb_academy_demo_config/profiles/freeswitch/voip/rtp_and_audio/jitter_buffer
+
/configurations/@[configuration_name]/profiles/@[profile_name]/voip/rtp_and_audio/jitter_buffer
 
initial_depth  = 20
 
initial_depth  = 20
 
max_depth      = 200
 
max_depth      = 200
Line 163: Line 163:
 
smooth_deletion = true
 
smooth_deletion = true
  
/configurations/tb_academy_demo_config/profiles/freeswitch/voip/rtp_and_audio/packet_network
+
/configurations/@[configuration_name]/profiles/@[profile_name]/voip/rtp_and_audio/packet_network
 
packet_loss_concealment = true
 
packet_loss_concealment = true
 
type_of_service        = 0
 
type_of_service        = 0
  
/configurations/tb_academy_demo_config/profiles/freeswitch/voip/rtp_and_audio/rtcp
+
/configurations/@[configuration_name]/profiles/@[profile_name]/voip/rtp_and_audio/rtcp
 
rtcp_enabled          = false
 
rtcp_enabled          = false
 
sdes_cname            = ""
 
sdes_cname            = ""
Line 173: Line 173:
 
use_xrtcp            = false
 
use_xrtcp            = false
  
/configurations/tb_academy_demo_config/profiles/freeswitch/voip/rtp_and_audio/tdm_volume_control
+
/configurations/@[configuration_name]/profiles/@[profile_name]/voip/rtp_and_audio/tdm_volume_control
 
rx_gain_level = 0
 
rx_gain_level = 0
 
tx_gain_level = 0
 
tx_gain_level = 0
  
/configurations/tb_academy_demo_config/profiles/freeswitch/voip/sdp
+
/configurations/@[configuration_name]/profiles/@[profile_name]/voip/sdp
 
force_fax_tones_as_telephony_event = false
 
force_fax_tones_as_telephony_event = false
 
profile_sdp_description            = "m=audio 0 RTP/AVP 0 8 101\r\na=rtpmap:101 telephone-event/8000"
 
profile_sdp_description            = "m=audio 0 RTP/AVP 0 8 101\r\na=rtpmap:101 telephone-event/8000"
  
/configurations/tb_academy_demo_config/profiles/freeswitch/voip/sip
+
/configurations/@[configuration_name]/profiles/@[profile_name]/voip/sip
 
custom_sip_bye_headers            = "P-RTP-Stat: PS=@{Stat:Rtp:Tx:IPPackets}, OS=@{Stat:Rtp:Tx:IPBytes}, PR=@{Stat:Rtp:Rx:IPPackets}, OR=@{Stat:Rtp:Rx:IPBytes}, PL=@{Stat:Rtp:Rx:Error:LostPackets}, JI=@{Stat:Rtcp:Jitter}, LA=@{Stat:Rtcp:RoundTripDelay}, DU=@{CallDuration}"
 
custom_sip_bye_headers            = "P-RTP-Stat: PS=@{Stat:Rtp:Tx:IPPackets}, OS=@{Stat:Rtp:Tx:IPBytes}, PR=@{Stat:Rtp:Rx:IPPackets}, OR=@{Stat:Rtp:Rx:IPBytes}, PL=@{Stat:Rtp:Rx:Error:LostPackets}, JI=@{Stat:Rtcp:Jitter}, LA=@{Stat:Rtcp:RoundTripDelay}, DU=@{CallDuration}"
 
custom_sip_bye_headers_enabled    = false
 
custom_sip_bye_headers_enabled    = false
Line 258: Line 258:
 
       "forward_call_suspend_resume" : true,
 
       "forward_call_suspend_resume" : true,
 
       "hop_counter_ie_handling" : "Decrement and forward",
 
       "hop_counter_ie_handling" : "Decrement and forward",
 +
      "isup_release_location" : "Private network LU",
 +
      "relay_release_location_from_other_leg" : false,
 
       "send_charge_number_ie_in_iam" : false
 
       "send_charge_number_ie_in_iam" : false
 
     },
 
     },
Line 276: Line 278:
 
       "detection_mode" : "Standard",
 
       "detection_mode" : "Standard",
 
       "enable_early_fax_modem_tone_detection" : false,
 
       "enable_early_fax_modem_tone_detection" : false,
       "enable_fax_modem_relay" : true,
+
       "enable_fax_modem_relay" : false,
       "expected_cng_tones" : 2,
+
       "expected_cng_tones" : 1,
 
       "fax_modem_passthrough_parameters" : {
 
       "fax_modem_passthrough_parameters" : {
 
         "codec" : "PCMU",
 
         "codec" : "PCMU",
         "detection_type" : "Silence suppression off",
+
         "detection_type" : "NONE",
 
         "force_v152_vbd" : false,
 
         "force_v152_vbd" : false,
 
         "jitter_buffer_depth" : 40,
 
         "jitter_buffer_depth" : 40,
Line 289: Line 291:
 
       "fax_modem_tones_detection_duration" : "30 seconds",
 
       "fax_modem_tones_detection_duration" : "30 seconds",
 
       "modem_vs_fax_distinction_timeout" : "0 millisecond",
 
       "modem_vs_fax_distinction_timeout" : "0 millisecond",
       "relay_mode" : "Passthrough",
+
       "relay_mode" : "T.38",
 
       "switch_to_fax_relay_upon_cng_tone" : true,
 
       "switch_to_fax_relay_upon_cng_tone" : true,
 
       "switch_to_passthrough_upon_bell_ans" : true,
 
       "switch_to_passthrough_upon_bell_ans" : true,
Line 311: Line 313:
 
         "non_linear_processor_tune_option" : "Normal"
 
         "non_linear_processor_tune_option" : "Normal"
 
       },
 
       },
 +
      "enable_mos_calculation" : false,
 
       "jitter_buffer" : {
 
       "jitter_buffer" : {
 
         "initial_depth" : 20,
 
         "initial_depth" : 20,
Line 335: Line 338:
 
     "sdp" : {
 
     "sdp" : {
 
       "force_fax_tones_as_telephony_event" : false,
 
       "force_fax_tones_as_telephony_event" : false,
       "profile_sdp_description" : "m=audio 0 RTP/AVP 0 8 4 18 101 13\r\na=rtpmap:101 telephone-event/8000\r\na=fmtp:101 0-15,32-36"
+
       "profile_sdp_description" : "m=audio 0 RTP/AVP 0 8 101\r\na=rtpmap:101 telephone-event/8000"
 
     },
 
     },
 
     "sip" : {
 
     "sip" : {
 +
      "custom_sip_bye_headers" : "P-RTP-Stat: PS=@{Stat:Rtp:Tx:IPPackets}, OS=@{Stat:Rtp:Tx:IPBytes}, PR=@{Stat:Rtp:Rx:IPPackets}, OR=@{Stat:Rtp:Rx:IPBytes}, PL=@{Stat:Rtp:Rx:Error:LostPackets}, JI=@{Stat:Rtcp:Jitter}, LA=@{Stat:Rtcp:RoundTripDelay}, DU=@{CallDuration}",
 +
      "custom_sip_bye_headers_enabled" : false,
 
       "detect_180_with_sdp_as_early_media" : true,
 
       "detect_180_with_sdp_as_early_media" : true,
 
       "dont_forward_183_progress" : false,
 
       "dont_forward_183_progress" : false,

Revision as of 11:44, 29 January 2016

Applies to version(s): v2.9.

To enable passthrough:

1. Select Profiles from the navigation menu.

ConfigureFaxPassthrough 0.png


2. Click Create New Profile

ConfigureFaxPassthrough 1.png

3. Enter a name for the Fax Profile.

  • Click Fax/Modem Relay to expand the view.

ConfigureFaxPassthrough 2.png

4. Configure the settings:

  • Set Detection Mode to Standard.
  • Set Relay Mode to Passthrough.
  • Check the Switch to FAX relay upon CNG tone option.
  • Set Detection type to "Silence Suppression off"
  • Verify the the Codec is the same as the remote end.
  • Click Create

ConfigureFaxPassthrough 3.png


5. Verify thet the Profile was successfully created message is displayed.

ConfigureFaxPassthrough 4.png


Path

/configurations/@[configuration_name]/profiles/@[profile_name]

Parameters (text)

/configurations/@[configuration_name]/profiles/@[profile_name]
name                            = "@[profile_name]"

/configurations/@[configuration_name]/profiles/@[profile_name]/call_transfer_options
call_transfer_mode               = "Relay"
call_transfer_timeout            = "1 minute"
terminate_transferor_immediately = false

/configurations/@[configuration_name]/profiles/@[profile_name]/ivr_record
vad_enabled           = false
vad_noise_floor_level = "-30"

/configurations/@[configuration_name]/profiles/@[profile_name]/lnp_options
incoming_lnp_mode = "Terminate LNP"
outgoing_lnp_mode = "No LNP insertion"

/configurations/@[configuration_name]/profiles/@[profile_name]/mlpp_options
look_ahead_for_busy = "LFB allowed"
network_identity    = 0
outgoing_mode       = "No MLPP insertion"
precedence_level    = "PL flash override"
service_domain      = 0

/configurations/@[configuration_name]/profiles/@[profile_name]/tdm_line
subject_to_electric_hybrid_echo = true

/configurations/@[configuration_name]/profiles/@[profile_name]/tones_and_call_progress_options
busy_tone_max_duration                     = "30 seconds"
default_digit_duration                     = 100
default_interval_between_digits            = 60
generate_busy_tone                         = false
tone_definition_profile                    = "USA-Canada"

/configurations/@[configuration_name]/profiles/@[profile_name]/tones_and_call_progress_options/early_media_relay_and_ring_tone_generation
connect_full_duplex_during_early_media = false
delay_before_connecting_early_media    = "0 millisecond"
incoming_calls_early_media_mode        = "Forward from outgoing to incoming call"
outgoing_calls_early_media_mode        = "Automatic early media detection"
ring_tone_starting_state               = "Call Alerted"

/configurations/@[configuration_name]/profiles/@[profile_name]/custom_cause_maps

/configurations/@[configuration_name]/profiles/@[profile_name]/tdm

/configurations/@[configuration_name]/profiles/@[profile_name]/tdm/ss7
default_backward_call_indicator              = "0x5404"
default_backward_call_indicator_enforce_mask = "0x0000"
default_forward_call_indicator               = "0x2001"
default_forward_call_indicator_enforce_mask  = "0x0000"
dont_forward_early_acm                       = false
force_backward_call_indicator_in_anm         = false
forward_application_transport_ie             = false
forward_call_cpg_hold_retrieval              = true
forward_call_indicator_international         = false
forward_call_suspend_resume                  = true
hop_counter_ie_handling                      = "Decrement and forward"
isup_release_location                        = "Private network LU"
relay_release_location_from_other_leg        = false
send_charge_number_ie_in_iam                 = false

/configurations/@[configuration_name]/profiles/@[profile_name]/tdm/ss7_or_isdn
always_send_alerting            = false
cnam_collection_timeout         = "1 second"
cnam_using_alternate_methods    = false
colr                            = false
information_transfer_capability = "Relay"
network_specific_facilities_ie  = ""
send_connected_number_ie        = false
send_display_ie                 = false
support_2_calling_number_ie     = false

/configurations/@[configuration_name]/profiles/@[profile_name]/voip

/configurations/@[configuration_name]/profiles/@[profile_name]/voip/fax_modem_relay
detection_mode                        = "Standard"
enable_early_fax_modem_tone_detection = false
enable_fax_modem_relay                = false
expected_cng_tones                    = 1
fax_modem_tones_detection_duration    = "30 seconds"
modem_vs_fax_distinction_timeout      = "0 millisecond"
relay_mode                            = "T.38"
switch_to_fax_relay_upon_cng_tone     = true
switch_to_passthrough_upon_bell_ans   = true

/configurations/@[configuration_name]/profiles/@[profile_name]/voip/fax_modem_relay/fax_modem_passthrough_parameters
codec               = "PCMU"
detection_type      = "NONE"
force_v152_vbd      = false
jitter_buffer_depth = 40
packet_duration     = "20ms"
support_v152_vbd    = false
use_nse             = false

/configurations/@[configuration_name]/profiles/@[profile_name]/voip/fax_modem_relay/t38_parameters
fill_bit_removal             = false
max_bitrate                  = "14400"
redundancy_count             = 0
transmission_level_minus_dbm = 10
use_v34                      = false

/configurations/@[configuration_name]/profiles/@[profile_name]/voip/rtp_and_audio
clear_channel_packet_duration      = "20ms"
codec_g726_aal2_format             = false
drop_call_thresholds_no_rx_packets = "0 second"
enable_mos_calculation             = false
vad_noise_floor_level              = "-45"

/configurations/@[configuration_name]/profiles/@[profile_name]/voip/rtp_and_audio/echo_cancellation
echo_cancellation_enabled        = true
enable_coefficient_update        = true
enable_dc_removal_filter         = true
gain_power_level                 = "0"
non_linear_processor_tune_option = "Normal"

/configurations/@[configuration_name]/profiles/@[profile_name]/voip/rtp_and_audio/jitter_buffer
initial_depth   = 20
max_depth       = 200
min_depth       = 20
smooth_deletion = true

/configurations/@[configuration_name]/profiles/@[profile_name]/voip/rtp_and_audio/packet_network
packet_loss_concealment = true
type_of_service         = 0

/configurations/@[configuration_name]/profiles/@[profile_name]/voip/rtp_and_audio/rtcp
rtcp_enabled          = false
sdes_cname            = ""
transmission_interval = "5 seconds"
use_xrtcp             = false

/configurations/@[configuration_name]/profiles/@[profile_name]/voip/rtp_and_audio/tdm_volume_control
rx_gain_level = 0
tx_gain_level = 0

/configurations/@[configuration_name]/profiles/@[profile_name]/voip/sdp
force_fax_tones_as_telephony_event = false
profile_sdp_description            = "m=audio 0 RTP/AVP 0 8 101\r\na=rtpmap:101 telephone-event/8000"

/configurations/@[configuration_name]/profiles/@[profile_name]/voip/sip
custom_sip_bye_headers             = "P-RTP-Stat: PS=@{Stat:Rtp:Tx:IPPackets}, OS=@{Stat:Rtp:Tx:IPBytes}, PR=@{Stat:Rtp:Rx:IPPackets}, OR=@{Stat:Rtp:Rx:IPBytes}, PL=@{Stat:Rtp:Rx:Error:LostPackets}, JI=@{Stat:Rtcp:Jitter}, LA=@{Stat:Rtcp:RoundTripDelay}, DU=@{CallDuration}"
custom_sip_bye_headers_enabled     = false
detect_180_with_sdp_as_early_media = true
dont_forward_183_progress          = false
dtmf_relay_scheme                  = [ "Relay DTMF according to RFC2833", "Relay DTMF using SIP INFO messages", "Relay DTMF in band" ]
enable_sip_custom_headers          = false
forward_sip_hold_type              = "SS7 Remote Hold/Retrieval"
forward_ss7_cpg_hold_retrieval     = true
forward_ss7_suspend_resume         = true
max_forwards_handling              = "Decrement and forward"
sdp_combining_options              = [ "Use sender's codec order" ]
sdp_generation_options             = [  ]
send_180_with_sdp                  = false
use_isup_oli_format                = false
use_non_ambiguous_from_tag         = false
use_reason_header                  = true
use_strict_routing                 = false
user_to_user_encoding              = "Escaped text"

Parameters (json)

{
  "call_transfer_options" : {
    "call_transfer_mode" : "Relay",
    "call_transfer_timeout" : "1 minute",
    "terminate_transferor_immediately" : false
  },
  "ivr_record" : {
    "vad_enabled" : false,
    "vad_noise_floor_level" : "-30"
  },
  "lnp_options" : {
    "incoming_lnp_mode" : "Terminate LNP",
    "outgoing_lnp_mode" : "No LNP insertion"
  },
  "mlpp_options" : {
    "look_ahead_for_busy" : "LFB allowed",
    "network_identity" : 0,
    "outgoing_mode" : "No MLPP insertion",
    "precedence_level" : "PL flash override",
    "service_domain" : 0
  },
  "name" : "@[profile_name]",
  "tdm_line" : {
    "subject_to_electric_hybrid_echo" : true
  },
  "tones_and_call_progress_options" : {
    "busy_tone_max_duration" : "30 seconds",
    "default_digit_duration" : 100,
    "default_interval_between_digits" : 60,
    "early_media_relay_and_ring_tone_generation" : {
      "connect_full_duplex_during_early_media" : false,
      "delay_before_connecting_early_media" : "0 millisecond",
      "incoming_calls_early_media_mode" : "Forward from outgoing to incoming call",
      "outgoing_calls_early_media_mode" : "Automatic early media detection",
      "ring_tone_starting_state" : "Call Alerted"
    },
    "generate_busy_tone" : false,
    "tone_definition_profile" : "USA-Canada"
  },
  "custom_cause_maps" : {
  },
  "tdm" : {
    "ss7" : {
      "default_backward_call_indicator" : "0x5404",
      "default_backward_call_indicator_enforce_mask" : "0x0000",
      "default_forward_call_indicator" : "0x2001",
      "default_forward_call_indicator_enforce_mask" : "0x0000",
      "dont_forward_early_acm" : false,
      "force_backward_call_indicator_in_anm" : false,
      "forward_application_transport_ie" : false,
      "forward_call_cpg_hold_retrieval" : true,
      "forward_call_indicator_international" : false,
      "forward_call_suspend_resume" : true,
      "hop_counter_ie_handling" : "Decrement and forward",
      "isup_release_location" : "Private network LU",
      "relay_release_location_from_other_leg" : false,
      "send_charge_number_ie_in_iam" : false
    },
    "ss7_or_isdn" : {
      "always_send_alerting" : false,
      "cnam_collection_timeout" : "1 second",
      "cnam_using_alternate_methods" : false,
      "colr" : false,
      "information_transfer_capability" : "Relay",
      "network_specific_facilities_ie" : "",
      "send_connected_number_ie" : false,
      "send_display_ie" : false,
      "support_2_calling_number_ie" : false
    }
  },
  "voip" : {
    "fax_modem_relay" : {
      "detection_mode" : "Standard",
      "enable_early_fax_modem_tone_detection" : false,
      "enable_fax_modem_relay" : false,
      "expected_cng_tones" : 1,
      "fax_modem_passthrough_parameters" : {
        "codec" : "PCMU",
        "detection_type" : "NONE",
        "force_v152_vbd" : false,
        "jitter_buffer_depth" : 40,
        "packet_duration" : "20ms",
        "support_v152_vbd" : false,
        "use_nse" : false
      },
      "fax_modem_tones_detection_duration" : "30 seconds",
      "modem_vs_fax_distinction_timeout" : "0 millisecond",
      "relay_mode" : "T.38",
      "switch_to_fax_relay_upon_cng_tone" : true,
      "switch_to_passthrough_upon_bell_ans" : true,
      "t38_parameters" : {
        "fill_bit_removal" : false,
        "max_bitrate" : "14400",
        "redundancy_count" : 0,
        "transmission_level_minus_dbm" : 10,
        "use_v34" : false
      }
    },
    "rtp_and_audio" : {
      "clear_channel_packet_duration" : "20ms",
      "codec_g726_aal2_format" : false,
      "drop_call_thresholds_no_rx_packets" : "0 second",
      "echo_cancellation" : {
        "echo_cancellation_enabled" : true,
        "enable_coefficient_update" : true,
        "enable_dc_removal_filter" : true,
        "gain_power_level" : "0",
        "non_linear_processor_tune_option" : "Normal"
      },
      "enable_mos_calculation" : false,
      "jitter_buffer" : {
        "initial_depth" : 20,
        "max_depth" : 200,
        "min_depth" : 20,
        "smooth_deletion" : true
      },
      "packet_network" : {
        "packet_loss_concealment" : true,
        "type_of_service" : 0
      },
      "rtcp" : {
        "rtcp_enabled" : false,
        "sdes_cname" : "",
        "transmission_interval" : "5 seconds",
        "use_xrtcp" : false
      },
      "tdm_volume_control" : {
        "rx_gain_level" : 0,
        "tx_gain_level" : 0
      },
      "vad_noise_floor_level" : "-45"
    },
    "sdp" : {
      "force_fax_tones_as_telephony_event" : false,
      "profile_sdp_description" : "m=audio 0 RTP/AVP 0 8 101\r\na=rtpmap:101 telephone-event/8000"
    },
    "sip" : {
      "custom_sip_bye_headers" : "P-RTP-Stat: PS=@{Stat:Rtp:Tx:IPPackets}, OS=@{Stat:Rtp:Tx:IPBytes}, PR=@{Stat:Rtp:Rx:IPPackets}, OR=@{Stat:Rtp:Rx:IPBytes}, PL=@{Stat:Rtp:Rx:Error:LostPackets}, JI=@{Stat:Rtcp:Jitter}, LA=@{Stat:Rtcp:RoundTripDelay}, DU=@{CallDuration}",
      "custom_sip_bye_headers_enabled" : false,
      "detect_180_with_sdp_as_early_media" : true,
      "dont_forward_183_progress" : false,
      "dtmf_relay_scheme" : [
        "Relay DTMF according to RFC2833",
        "Relay DTMF using SIP INFO messages",
        "Relay DTMF in band"
      ],
      "enable_sip_custom_headers" : false,
      "forward_sip_hold_type" : "SS7 Remote Hold/Retrieval",
      "forward_ss7_cpg_hold_retrieval" : true,
      "forward_ss7_suspend_resume" : true,
      "max_forwards_handling" : "Decrement and forward",
      "sdp_combining_options" : [
        "Use sender's codec order"
      ],
      "sdp_generation_options" : [
      ],
      "send_180_with_sdp" : false,
      "use_isup_oli_format" : false,
      "use_non_ambiguous_from_tag" : false,
      "use_reason_header" : true,
      "use_strict_routing" : false,
      "user_to_user_encoding" : "Escaped text"
    }
  }
}
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