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

Nick Matthews matthnick at gmail.com
Mon Apr 19 16:26:55 EDT 2010


Because it's a legacy proprietary method cisco created when we first
started doing voice.  It has not been updated or touch in years, and
they've removed support for it in 15.0.

-nick

On Mon, Apr 19, 2010 at 3:33 PM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
> 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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