[cisco-voip] Modem passthrough issues.

[Scott Voll]

double check on the MGCP Gatway page at the bottom that it's not set to Fax
Relay.

Scott

On Thu, Oct 9, 2008 at 9:06 AM, Bryan Socha <bryan at ugo.com> wrote:

>  I'm pretty sure it's the gateway, we tried dialing back and forth
> internally and it was fine every time..  We ran this setup but with
> different hardware (1700V routers for pstn gateways and same exact hardware
> revision and image on the ata186s).
>
>
>
> The region is definitely set for G.711.
>
>
>
> The relevant part of the config is below with ccm IP xxx'd out..  Im hoping
> I just overlooked something.
>
>
>
> !
>
> controller T1 0/3/0
>
>  framing esf
>
>  linecode b8zs
>
>  pri-group timeslots 1-24 service mgcp
>
> !
>
> interface Serial0/3/0:23
>
>  no ip address
>
>  isdn switch-type primary-5ess
>
>  isdn incoming-voice voice
>
>  isdn bind-l3 ccm-manager
>
>  no cdp enable
>
> !
>
> mgcp call-agent XXXXXXX service-type mgcp version 0.1
>
> mgcp dtmf-relay voip codec all mode cisco
>
> mgcp modem passthrough voip mode nse
>
> mgcp modem passthrough voip redundancy
>
> mgcp package-capability rtp-package
>
> !
>
> mgcp profile default
>
>
>
>
>
>
>
> *From:* James Buchanan [mailto:jbuchanan at ctiusa.com]
> *Sent:* Wednesday, October 08, 2008 10:28 PM
> *To:* Bryan Socha; cisco-voip at puck.nether.net
> *Subject:* RE: [cisco-voip] Modem passthrough issues.
>
>
>
> I would be interested to see your gateway config. I assume you have modem
> passthrough enabled everywhere. Also, is your ATA in a device pool with a
> region set for G711?
>
>
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Bryan Socha
> *Sent:* Wednesday, October 08, 2008 7:18 PM
> *To:* cisco-voip at puck.nether.net
> *Subject:* [cisco-voip] Modem passthrough issues.
>
>
>
> We've been running a ccm setup for about 5 years now, many versions..
> we've always used ata186s for faxes and modems..   We recently had a tech
> refresh of the system after a lease ended and we can't get the modems to
> work.  Actually there is only 1 modem we care about.  The one for the
> security system.  We've never needed to give it a dedicated pots line and
> would prefer to not go that route.   We are fully aware the ata186 doesn't
> support modem passthrough but its always worked in the past.
>
>
>
> We're using PRI lines with 2811 routers for the pstn interface.  Everything
> is setup right, the modem does answer but the call drops about 30 seconds
> later on its own.  Well we think on its own, we're not sure if its just the
> security company software timing out, they obviously have very little
> information about their side…
>
>
>
> Is anyone using a 2800 series router with modem passthrough combined with
> ATA186 adapters?   I'd love to know your config for the combination of
> hardware.
>
>
>
> Thanks,
>
> Bryan
>
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>
>
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