[cisco-voip] SIP Trunk for ISP's - DTMF SIP Notify

[Paul van den IJssel]

Guys,

What do you suggest me to use: SIP INFO or SIP NOTIFY?

- Paul

2010/6/1 Bill <bill at hitechconnection.net>

>  No VMware is not your problem in this case.
>
>
>  ------------------------------
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Paul van den IJssel
> *Sent:* Tuesday, June 01, 2010 4:06 PM
>
> *To:* cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] SIP Trunk for ISP's - DTMF SIP Notify
>
>
>
> I added a MRGL to the both DP's (phones and SIP Trunk) containing MoH, CFB,
> ANN and MTP. But without any result. I'm running the CUCM in Vmware.. could
> this have anything to do with the MTP's not be assigned when needed for the
> DTMF?
>
>
>
> - Paul
>
> 2010/6/1 Jason Aarons (US) <jason.aarons at us.didata.com>
>
> Use the CallManager or IOS Software MTP in a MRG/MRGL and assign to Device
> Pool, etc is what I think others are saying…
>
>
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Paul van den IJssel
> *Sent:* Tuesday, June 01, 2010 4:53 PM
> *To:* cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] SIP Trunk for ISP's - DTMF SIP Notify
>
>
>
> The SIP Trunk is directly connected to the CUCM (7.X). So there is no ISR,
> or CUBE in between.
>
> The System Guide of CUCM 7.X states that only the 7971 7975 support
> RFC2833. Currently I'm running the test with 7941 and 7961 phones. Also all
> regions are set to use g.711 and there is no MRGL associated to the Device
> Pools of the phones and the SIP Trunk.
>
>
>
> If I try setting up a call and run the RTMT tool I don't see the CUCM using
> any MTP's. The SBC which is used isn't a Cisco CUBE.. but I've lost the
> name, I thought it was a NextTone or something.
>
>
>
> - Paul
>
> 2010/6/1 Ryan Ratliff <rratliff at cisco.com>
>
> What phones do you have?  Most of them do in fact support RFC2833.
> Additionally, using g.711 for rtp the software MTP resources on your CUCM
> can convert the dtmf just fine.
>
> Even if you are using g729 you can use a software MTP on the router acting
> as your CUBE to do the necessary dtmf conversion which doesn't require any
> hardware DSPs.
>
> -Ryan
>
>
> On Jun 1, 2010, at 4:34 PM, Paul van den IJssel wrote:
>
> > Hi Guys,
> >
> > Currently I'm testing a SIP Trunk with our ISP. Everything is working
> fine but I don't get the DTMF to work. This because my SCCP phones only
> support OOB DTMF. So to get it to work with SIP RFC2833 (in-band) I need an
> expensive transcoder. But now we've set the SIP Trunk to SIP Notify
> (out-band) which should work with the IP Phones OOB, but all I get is
> 'SIP/2.0 403 Forbidden'.
> >
> > How do I get this to work without the use of a hardware Transcoder?
> >
> > Best regards,
> >
> > Paul van den IJssel
> > Digacom
>
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>
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>
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>
>
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