[cisco-voip] UCCX out bound dialing

Peter Slow peter.slow at gmail.com
Thu Nov 29 18:50:57 EST 2012


You're welcome! =)


On Thu, Nov 29, 2012 at 1:17 PM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
> thanks for doing this Peter.
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (ANNU)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Cooking with unix is easy. You just sed it and forget it.
>                               - LFJ (with apologies to Mr. Popeil)
>
>
> ________________________________
> From: "Peter Slow" <peter.slow at gmail.com>
> To: "Matthew Saskin" <msaskin at gmail.com>
> Cc: cisco-voip at puck.nether.net
> Sent: Thursday, November 29, 2012 1:13:26 PM
>
> Subject: Re: [cisco-voip] UCCX out bound dialing
>
> googled for "CPA cisco dialing" and found this, since i didnt know
> wahat CPA was =P
> http://www.cisco.com/en/US/tech/tk652/tk701/technologies_tech_note09186a0080b2ad01.shtml
> "Call Progress Analysis (CPA) is the new DSP algorithm that analyzes
> the TDM voice stream to look for SITs, fax/modem tones, human speech,
> and answering machines. CPA also passes information to Cisco IOS®.
> There is a new SIP application type, x-cisco-cpa, for callers to
> request a CPA operation and for the gateway to relay information to
> the caller. CPA is supported only on the TDM gateway where one of the
> call legs is terminated."
>
> ...The feature is implemented in DSPs (DSPWare) used for TDM
> termination. (also it looks like it's supported using SIP now...)
> the requirement is that you need to be doing the signaling from your
> cisco whatever (presumably CUCM) directly to the terminating gateway.
> no DSPs are used when you send a call through a CUBE. (and its
> probably safe to say that forcing it to invoke a transcoder so that
> there IS a DSP wont work)
>
> hopefully that sheds some light on why they're trying to get you to
> use PRIs, but even if you do it that way and can use the FEATURE you
> are not going not get reliable results  over VoIP. Unfortunately it
> seems liek you need to change your provider or accept that this
> functionality isnt goign to work properly (or at all)
> even if you get CUCM/UCCE/UCCX to work by looping PRIs at your
> gateway, modem and fax tones are likely not going to be transmitted
> well enough over normal VoIP for this feature to work.
>
> ..you could spend hours making sure modem/fax pas-through  works well,
> but doign that for this purpose is dependant on your providers support
> and seems silly.
>
> -Peter
>
>
>
>
>
>
> On Thu, Nov 29, 2012 at 11:43 AM, Matthew Saskin <msaskin at gmail.com> wrote:
>> ...and I just read your subject fully.  It's well documented for UCCE.
>> Apparently less well documented for UCCX, but the same caveat would
>> probably
>> apply.  The issue is that for SIP outbound, the CUBE is not currently
>> capable of performing CPA.  I don't know enough about the inner mechanisms
>> of the UCCX outbound dialer to comment further - sorry.
>>
>> Matthew Saskin
>> msaskin at gmail.com
>> 203-253-9571
>>
>>
>>
>>
>> On Thu, Nov 29, 2012 at 11:41 AM, Matthew Saskin <msaskin at gmail.com>
>> wrote:
>>>
>>> It's a known caveat - SIP trunks via CUBE cannot be used for the UCCE
>>> outbound dialer.  This is documented in the SRND, compatibility matrix,
>>> and
>>> outbound option config guide.
>>>
>>> Matthew Saskin
>>> msaskin at gmail.com
>>> 203-253-9571
>>>
>>>
>>>
>>> On Thu, Nov 29, 2012 at 10:54 AM, Haas, Neal <nhaas at co.fresno.ca.us>
>>> wrote:
>>>>
>>>> Is it true that CPA cannot use a SIP trunk for outbound dialing? TAC
>>>> told
>>>> us we needed to use a PRI for out bound campaigns.
>>>>
>>>>
>>>>
>>>> CPA only works it seems  with PRI’s using H323.  (I guess)
>>>>
>>>> The TAC engineers over at cisco are looking into how we can make this
>>>> work  Using  I think they are saying H323 sip dial peers to a PRI.
>>>>
>>>>
>>>>
>>>> NOT how we wanted this to work or were told for that matter. Seems like
>>>> they (Cisco) are using old school technology to make this work.
>>>>
>>>>
>>>>
>>>> Does anyone use SIP for campaign dialing?
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Neal Haas
>>>>
>>>>
>>>>
>>>>
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>>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>>
>>>
>>
>>
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>
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