Call progress detection VERY VERY Funny

[bogdan]

Hello guy,

I work at a telecom company, and in my company we have implemented for our clients a service called CallBackRingTone (where the caller can hear music when ringing another person), and here comes the funny part: the CPD/DailogicCard sees the music as an Answering Machine

Has anyone been through something similar?

I've attached one of the recordings with CallRingBackTreatment.

Regards

[cavagnaro]

It is normal and obvious, you will see, us humans and other animals when answering we hay "Hi?", "Hello?", etc. and then we do a silence, our welcome message is only a couple of seconds of duration as much, however, AA or VM when answers their speech duration is much more extensive "Welcome to ABC!, if you know the extension number dial it", "You have reached a Voice mail system, maybe the user is not available" so this translated to waves means that one robot speech wave is far longer than human waves, so that is what CPD or any other VAD system analyzes. So if you put music can you tell now how the wave would be? Like a robot or like a human? That is why you are getting such result.

Regards

[bogdan]

So, the only solution that comes in my mind is to put the AnsweringMachine treatment to route the calls on the RP - this is the price I have to pay - but for the agent, they will receive calls routed that are in fact AM (some of them at least).

If anyone has a trick, please let me know.

Regards

[Fra]

You are probably doing call progress detection before you have received the Connect signaling event from the network, aren't you? In this way the call result will always fail. What you need to do is have the Dialogic boards start the detection only after the Connect has been received.

Fra

[bogdan]

And how should I do that? Do you refer to cpd-if-established parameter?

[Fra]

I knew it was a feature exposed by the Dialogic API; working with CPD, yes, I'd try to set cpd-if-established to true. The Outbound 7.6 Deployment guide also warns that it works together with two more options, pre and post-connect-cpd-priority, you may want to run some tests.

Fra

[bogdan]

Hello,
Before using cpd-if-established the AM was detected ~75%, and after I've got around 40%. I've tried also with no active CRBT service phones, but it seems I can't get 100% accuracy between AM and live voice.

Thx

[Fra]

But is the CBRT detection changed?

F

[bogdan]

yes, the accuracy increased from ~75% to ~40%.

[cavagnaro]

Increased or decreased? You will never get a 100%, an acceptable value is 95~98%...

[bogdan]

before I meant the error rate (AM detection)

[GenesysNewbie]

Hi everybody, please hope someone can give a tip...



LOG...
2009/09/23 19:30:41.208] C80  TelephonyMgr.cpp:6062 C=10:L=4:U=920 [:N_dtiB1T22 _pdk_sw_e1_luls_io] dial: Dial using CPA/ConfirmWithCcAfterAnswer(). Wait [20015000] milliSecs for call type detection

Seems that Cpa process is so slow...CPA/ConfirmWithCcAfterAnswer(). Wait [20015000] milliSecs  = 20 sec.

HOW CAN I REDUCE THIS TIME? ANy parameter relationed?

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