[cisco-voip] fax passthrough + fax relay on same MGCP gateway (incl 6608)?

Mon Apr 19 15:33:31 EDT 2010

Yeah, I figured the 6608 would be the dawg here. 

Why is CFR bad? 

--- 
Lelio Fulgenzi, B.A. 
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1 
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN) 
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 
Cooking with unix is easy. You just sed it and forget it. 
- LFJ (with apologies to Mr. Popeil) 

----- Original Message ----- 
From: "Nick Matthews" <matthnick at gmail.com> 
To: "Lelio Fulgenzi" <lelio at uoguelph.ca> 
Cc: "cisco-voip voyp list" <cisco-voip at puck.nether.net> 
Sent: Monday, April 19, 2010 3:31:00 PM GMT -05:00 US/Canada Eastern 
Subject: Re: [cisco-voip] fax passthrough + fax relay on same MGCP gateway (incl 6608)? 

I don't think the 6608 will do more than one type at a time. The 
VG248 is stuck with CFR (BAD) or passthrough. This one is pretty 
simple. 

-nick 

On Mon, Apr 19, 2010 at 1:41 PM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote: 
> I've done some more reading, but I'm still confused on a few things fax. 
> This thread is to hopefully help me understand if I can run both fax 
> passthrough and fax relay on the same MGCP gateways, including 6608s. 
> 
> We have a site (Site B) coming on board that is currently using cisco fax 
> relay on their gateway and on most of their VG248 ports (some VG248 ports 
> have relay disabled). They have a 3725 running a PRI (MGCP). 
> 
> HQ (Site A) has a bank of 6608s (MGCP) and a couple of PRIs on a 3845 on a 
> remote gateway (also MGCP). We have VG224 ports used for modems/faxes at the 
> remote site. Everything is configured for fax passthrough and is working 
> hunky dory. 
> 
> Is it possible to configure the HQ gateways (both 6608s and 3845 ports) to 
> recognize both passthrough and relay? Are there problems doing this? 
> 
> I've included some relevant config info below. 
> 
> ________________________________ 
> CallManager 4.1(3) -> upgrading to CUCM 7.1(3) sometime next summer. 
> ________________________________ 
> SITE A: 
> 
> GATEWAY (3845) [remote gateway] 
> 
> ! 
> boot system flash:c3845-spservicesk9-mz.124-11.T2.bin 
> ! 
> no ccm-manager fax protocol cisco 
> ! 
> mgcp 
> mgcp call-agent 10.104.96.104 2427 service-type mgcp version 0.1 
> mgcp dtmf-relay voip codec all mode out-of-band 
> mgcp rtp unreachable timeout 1000 action notify 
> mgcp modem passthrough voip mode nse 
> mgcp package-capability rtp-package 
> no mgcp package-capability res-package 
> mgcp package-capability sst-package 
> no mgcp package-capability fxr-package 
> mgcp package-capability pre-package 
> no mgcp timer receive-rtcp 
> mgcp sdp simple 
> mgcp fax t38 inhibit 
> mgcp rtp payload-type g726r16 static 
> mgcp bind control source-interface Loopback104 
> mgcp bind media source-interface Loopback104 
> ! 
> 
> 6608 (at HQ): 
> 
> Voice Calls: checked 
> Modem Calls: checked 
> Fax Calls: checked 
> 
> Fax Relay Enable: unchecked 
> Fax Error Correction: unchecked 
> Max Fax Rate: 14400 
> Payload Size: 20 
> Country Code: 65535 
> Vendor Code: 65535 
> Fax/Modem Packet Redundancy: unchecked 
> NSE Type: IOS Gateway 
> 
> VG224 
> 
> ! 
> voice service voip 
> mgcp modem passthrough voip codec g711ulaw 
> ! 
> ________________________________ 
> SITE B: 
> 
> GATEWAY: 
> 
> ! 
> boot system flash c3725-ipvoice-mz.123-8.T3.bin 
> ! 
> mgcp 
> mgcp call-agent 10.104.184.6 2427 service-type mgcp version 0.1 
> mgcp dtmf-relay voip codec all mode out-of-band 
> mgcp rtp unreachable timeout 1000 action notify 
> mgcp modem relay voip mode nse 
> mgcp package-capability rtp-package 
> mgcp package-capability sst-package 
> no mgcp package-capability fxr-package 
> no mgcp timer receive-rtcp 
> mgcp sdp simple 
> mgcp fax rate 14400 
> no mgcp fax t38 ecm 
> mgcp fax t38 inhibit 
> no mgcp explicit hookstate 
> mgcp rtp payload-type g726r16 static 
> ! 
> 
> VG248: 
> 
> Software version : 1.3(2) 
> 
> port specific parameters: 
> 
> ---------------------------------------------------------- 
> | Cisco VG248 (VGC0e38cd87ee) | 
> --------------- ------------------------------------------------ ------- 
> | Port selection| Port 1 parameters | 
> | 
> 
> |---------------|------------------------------------------------|-------| 
> | 1 Enabled | Status (enabled) | 
> | 
> | 2 Enabled 4| Call control mode (standard) | 
> | 
> | 3 Enabled 6| Caller ID (disabled) | 
> | 
> | 4 Enabled 6| MWI method (none) | 
> | 
> | 5 Enabled 6| VMWI variant (<country default>) | 
> | 
> | 6 Enabled 6| Call supervision method (none) | 
> | 
> | 7 Enabled 6| Input gain (0) | 
> | 
> | 8 Enabled 6| Output gain (0) | 
> | 
> | 9 Enabled 6| Dialing digit detection (default: use DSP) | 
> | 
> | 10 Disabled | Fax relay (Cisco fax relay) | 
> | 
> | 11 Disabled | Fax relay ECM (disabled) | 
> | 
> | 12 Disabled | Fax relay NSF (override with 000000) | 
> | 
> | 13 Enabled 6| Passthrough mode (default: automatic) | 
> | 
> | 14 Enabled 6 ------------------------------------------------ 
> | 
> | 15 Enabled 6282 31 Disabled 47 Disabled 
> | 
> | 16 Disabled 32 Disabled 48 Disabled 
> | 
> | '*' - port in use press 'R' to enter range 
> | 
> ------------------------------------------------------------------------ 
> 
> ---------------------------------------------------------- 
> | Cisco VG248 (VGC0e38cd87ee) | 
> -------------------------------------------------------------- 
> | Advanced settings | 
> |--------------------------------------------------------------| 
> |^Media receive timeout (disabled) | 
> | Port busy signaling (none) | 
> | DTMF tone duration (default: 100ms) | 
> | Echo cancelling policy (default: use SLIC) | 
> | Hook flash timer (<country default>) | 
> | Hook flash reject period (none) | 
> | Distinctive ringing (default: no call distinction) | 
> | Passthrough signaling (IOS mode) | 
> | Passthrough codec (G.711 u-law) | 
> | Fax relay payload size (default: 20) | 
> | Fax relay maximum speed (default: 14400 bps) | 
> | Fax relay playout delay (default: 300) | 
> | Load control (disabled) | 
> | Load control (% CPU) (0) | 
> | Load control hysteresis (0) | 
> -------------------------------------------------------------- 
> 
> 
> ________________________________ 
> --- 
> Lelio Fulgenzi, B.A. 
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1 
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN) 
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 
> Cooking with unix is easy. You just sed it and forget it. 
> - LFJ (with apologies to Mr. Popeil) 
> 
> 
> _______________________________________________ 
> cisco-voip mailing list 
> cisco-voip at puck.nether.net 
> https://puck.nether.net/mailman/listinfo/cisco-voip 
> 
> 
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