FreeSBC:3CX T38 Fax Configuration A
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* Set '''Detection Mode''' to Standard. | * Set '''Detection Mode''' to Standard. | ||
* Set '''Relay Mode''' to T.38. | * Set '''Relay Mode''' to T.38. | ||
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[[Image:ConfigureProSBCFaxT38_0_A.png]] | [[Image:ConfigureProSBCFaxT38_0_A.png]] | ||
Revision as of 09:01, 14 April 2020
Introduction
This document provides instructions on how to configure 3CX PBX Server with the ProSBC to receive T38 Faxes. Please visit the following link for more details about Configuring Fax Server in 3CX PBX Server
3CX PBX Fax Server Configuration
3CX Phone System includes a pre-configured fax extension (ext: 8888). This extension is used by the 3CX Fax Server for incoming fax calls, which will then be routed to an email address.
- In the 3CX Management Console, go to Settings > FAX Server.
- Enter an email address to forward the faxes received on this number.
- Select the fax extension that should receive incoming faxes. You can use the default built-in ‘8888’ extension.
- Assign one or more available DIDs to the fax server.
- Click OK to save.
ProSBC T38 Configuration
To enable T.38:
1. Select Profiles from the navigation menu.
2. Click Create New Profile
3. Enter a name for the Fax Profile.
- Click Fax/Modem Relay to expand the view.
4. Configure the settings:
- Set Enable Fax/Modem Relay to enabled.
- Set Detection Mode to Standard.
- Set Relay Mode to T.38.
5. Verify that the Profile was successfully created message is displayed.
Path
/configurations/@[configuration_name]/profiles/@[profile_name]
Parameters (text)
/configurations/@[configuration_name]/profiles/@[profile_name] name = "FaxPassThrough" /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"
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",
"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" : true,
"expected_cng_tones" : 2,
"fax_modem_passthrough_parameters" : {
"codec" : "PCMU",
"detection_type" : "Silence suppression off",
"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" : "Passthrough",
"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"
},
"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 4 18 101 13\r\na=rtpmap:101 telephone-event/8000\r\na=fmtp:101 0-15,32-36"
},
"sip" : {
"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"
}
}
}
