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T37 fax inbound/outbound with Unity 4.0(5)
Enable DNS resolution: ip domain-lookup ip name-server <Unity server> ip domain-name gateway.com (domain of gateway) Enable T37: fax interface-type fax-mail —- (reload the router) Enable T37...
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T37 inbound fax to Unity – debugs.
OUtput of debug fax mspi all on T37 router. (First few lines are from debug isdn q931 to show the fax call come into the t37 router) A successful fax inbound from the router to Unity will throw the...
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T37 outbound fax from Unity – debugs
Sep 17 16:49:09.887: //-1/xxxxxxxxxxxx/MSPI_OFF/mspi_offramp_tel_num_trans: Mail From=OFax@iptel.com, Phone Number In=FAX=1, Phone Number Dial= Sep 17 16:49:09.887:...
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VG248 Call Control Modes
a. standard – no need to use feature codes…features available are similar to feature mode. b. feature – use feature codes for transfer and conference and other phone features. Use hookflash and feature...
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Fax key notes.
Fax key notes: a. ata supports only fax passthrough (h323,mgcp or sccp) b. 6608 supports cisco fax relay and passthrough. No support for t38. c. ios gateways support all modes passthrough, relay, t38...
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VG248 Passthrough signalling
You can set passthrough signalling mode to a. Legacy – Use with older VG248 software which runs only Legacy mode or with 6608 with older firmware or 6624-FXS b. IOS mode – Use with ATA 186, 6608 with...
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Fax between ATA on port 2 and Router with FXS (g729 codec)
Fax setup that works: Fax on port 2 of ATA, LBRcodec = 3, Connect mode bit 21 = 1. Router has dial-peer with g729r8 (br8) codec and fax machine on FXS port. Commands in dial-peer: dial-peer voice 10...
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Fax configuration
Configuring T 38 for MGCP gateway mgcp fax t38 ecm mgcp fax t38 gateway force no mgcp fax t38 inhibit Configuring T.38 for H323 gateway dial-peer voice 10 voip no modem passthrough fax protocol t38 nse...
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Fax passthrough – unlimited!!
What is Fax passthrough ? Fax passthrough encodes fax traffic with in a g711 voice codec and sends it across the voip network as a voice call. The call may use any codec (g711, g729, g723) etc...
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H323 – ATA fax passthrough setting – recommendations
Audiomode - 0x00150015 0000 0000 0001 0101 (last 4 hex digits represents phone 1) Bit 0 – 1 enables VAD Bit 2 – 1 enables fax CED tone detection Connect mode : 0x90000400 1001 0000 0000 0000 0000 0100...
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IOS gateways – faxing – three steps
To enable fax passthrough in a H323 IOS gateway: (This can be given under a dial peer or globally under voice service voip mode) Global mode: 1. modem passthrough nse [payload-type number] codec...
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Fax Passthrough over E1
ATA ConnectMode bit 13 = 1 (g711alaw) ConnectMode value = 0x90002400 IOS – H323 modem passthrough nse codec g711alaw IOS – MGCP mgcp modem passthrough voip codec g711alaw VG248/6608 No settings, it...
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Fax passthrough – H323 IOS gateway to ATA H323
** Please do not edit this blog due to table formatting issues ** Fax passthrough redundancy Gateways will send each packet twice. Is useful if the network conditions are bad with packet loss and...
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DSCP settings for H323 and MGCP gateways
The setting below applies to packets generated by teh router itself. For H323 gateways Default for signaling is af31 (26). Need to change this to cs3 (24). dial-peer voice 1500 voip ip qos dscp cs3...
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ATA 186 Fax modes (H323)
Fax pass through – Set audio mode to 0x00150015 Fax mode – (Use direct g711 only, it doesn't do any codec upspeed.) – Set audiomode to 0x00120012 12 – corresponds to 0001 0010 bit 1 – set to 1 for g711...
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MGCP IOS gateway and ATA 186 in H323 mode – Fax Passthrough configuration
1. Configure MGCP gateway as usual (with FXS ports). 2. Give the following commands no ccm-manager fax protocol — disables cisco fax relay mgcp modem passthrough voip mode nse — enables...
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MGCP & H323 IOS gateway and T38 faxing
MGCP gateways and T38 1. mgcp fax t38 ls_redundancy 0 OR mgcp fax t38 hs_redundancy 0 ls_redundancy set to 0 disables mgcp from sending redundant packets. The value can be set from 0 – 5 or 7...
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