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Topic # 59652 8-Apr-2010 19:46 Send private message

For the past week I've been working on some New Zealand specific setup files for Linksys phones and ATA's.

The configuration settings that are listed in numerous websites in NZ do not have a complete set of New Zealand tones (and some are wrong), have incorrect FXS settings for the NZ line impedance (which can cause echo if you're using an ATA) and have a poor dialplan.

I've worked through the Telecom TNA102 spec which defines tones in NZ and have also spent a lot of time working on a dialplan which will allow calling virtually every number in NZ with no delay - ie when you dial 041234567 it matches this immediately and connects the call with no delay.

My plan is to very soon make a blog post live which contains all of these settings. I will also be hosting a .cfg provisioning file that will allow people to set a provisioning rule in your phone or ATA and download all of the correct settings to your device. It will not override any account settings in your device, it will just set the dialplan, tones, FXS impedance, timezone, daylight savings rule and a couple of other minor NZ specific settings.

I'm undecided at this stage of a couple of things including whether I should leave the provisioning rule enabled (so once per week it would check for a new updated file) or disable this after it downloads the settings.

Right now I'm after some feedback from people about this idea and also after a few people who are interested in testing this. If you have a Linksys device connect to VFX this won't be of any interest to to as WxC provision your device with the correct settings. I'm aiming this at people who are either their phone with their own PBX such as Asterisk, or a service such as iTalk, 2talk, Orcacom etc that all have the incomplete or incorrect settings available on their support websites.

While the risk is very minimal as always there is a risk of things going wrong so if you're not comfortable reconfiguring your device if something did go wrong it's probably best you don't test it! Smile


EDIT: A blog and full configuration settings can ve viewed here http://www.geekzone.co.nz/sbiddle/7208

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  Reply # 316421 9-Apr-2010 08:32 Send private message

Why worry about NZ tone plan?? The default US works fine..




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Old3eyes

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  Reply # 316433 9-Apr-2010 09:04 Send private message

old3eyes: Why worry about NZ tone plan?? The default US works fine..


It works but not as effectively as it could, you have to wait for the interdigit timeout before the call is released , As Steve points out if the dial plan is configured correctly then dialling most numbers will send the call as soon as the correct digit length is dialled... this decreases PDD (Post Dial Delay)... This makes the end user experience a much better feel, not having to wait 3 or 4 seconds for ringing tone after you have called a number is better than waiting...especailly usefull when your ringing the Radio station trying to win the free Movie Passes Cool


Nice work Steve, will check it out when you put it online Wink




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  Reply # 316434 9-Apr-2010 09:07 Send private message

old3eyes: Why worry about NZ tone plan?? The default US works fine..


Tone plan or dian plan? The tones are important because we're in NZ, not the USA.

As for the dialplan as Phil points out this ensures all calls are matched immediately and dial with no delay which is exactly what happens in the PSTN world.


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  Reply # 316442 9-Apr-2010 09:20 Send private message

I'm keen. WRP400 on 2talk. Cheers, Matt.




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  Reply # 316795 10-Apr-2010 14:32 Send private message

Happy to help test too.
SPA942
Think I have all the setting pretty much sussed though




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  Reply # 316834 10-Apr-2010 16:36 Send private message

sbiddle:
old3eyes: Why worry about NZ tone plan?? The default US works fine..


Tone plan or dian plan? The tones are important because we're in NZ, not the USA.

As for the dialplan as Phil points out this ensures all calls are matched immediately and dial with no delay which is exactly what happens in the PSTN world.




I would have though that most people would be able to sort out the US Precise Tone Plan.  It's not hard especially if you watch  TV ads like Fatso and US TV programs.. It's actually a very well thought out tone plan by Bell Labs in the early 1970s. .  You should do some research on it's  history..

From my experience with VOIP dial plans on PBX systems regardless of how well  it is set up there still seems to be about a 5 second delay after last digit dialed for any tone is heard compared to ISDN .




Regards,

Old3eyes



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  Reply # 316836 10-Apr-2010 16:50 Send private message

old3eyes:I would have though that most people would be able to sort out the US Precise Tone Plan.  It's not hard especially if you watch  TV ads like Fatso and US TV programs.. It's actually a very well thought out tone plan by Bell Labs in the early 1970s. .  You should do some research on it's  history..

From my experience with VOIP dial plans on PBX systems regardless of how well  it is set up there still seems to be about a 5 second delay after last digit dialed for any tone is heard compared to ISDN .


And that's the whole point of a dialplan. If you're getting a delay your VoIP system is quite simply incorrectly configured. There is no need or reason for a delay if the system is configured properly.

My dialplan has no delay after dialling *any* NZ number and all switching is imediate the moment the last digit is dialled. The only delay exists with international numbers where I just use a generic rule for anything starting with 00.

The US toneset may be good but it's the simple fact we're not in America. We're in new Zealand. The PTC guidelines exists for a very good reason and should be followed. People know what a NZ dialtone, ringing tone, busy tone, MWI tone and call waiting tone are. Why confuse them by giving them tones from another country? Every country has it's own toneset and the US one is certainly no no means a global standard that NZ by itself has gone out and done differently. IMHO once again that's nothing but an incorrectly configured system.

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  Reply # 316925 11-Apr-2010 07:51 Send private message

I would be happy to help out too PAP2T on 2talk. Its quite interesting to note that I have noticed the 4 - 5 second delay but when I call another 2talk number it is instant connecting

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  Reply # 316927 11-Apr-2010 07:59 Send private message

sbiddle:
old3eyes:I would have though that most people would be able to sort out the US Precise Tone Plan.  It's not hard especially if you watch  TV ads like Fatso and US TV programs.. It's actually a very well thought out tone plan by Bell Labs in the early 1970s. .  You should do some research on it's  history..

From my experience with VOIP dial plans on PBX systems regardless of how well  it is set up there still seems to be about a 5 second delay after last digit dialed for any tone is heard compared to ISDN .


And that's the whole point of a dialplan. If you're getting a delay your VoIP system is quite simply incorrectly configured. There is no need or reason for a delay if the system is configured properly.

My dialplan has no delay after dialling *any* NZ number and all switching is imediate the moment the last digit is dialled. 



Unfortunately I must disagree about the delay.  Over the past year I have done lots of testing with SIP carriers and all of them have a 5 second delay  even though the PBX system ARS plans are setup correctly to do  a send  as soon as the last digit is dialed as we do with ISDN.  Most people I have spoken to don't have any problem with 4 or 5 second delay as they are used to it when calling mobiles.. .  Only when it gets beyond that do they have problems.

Guess we beg to disagree  .  Good luck in sorting things out  Smile




Regards,

Old3eyes



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  Reply # 316929 11-Apr-2010 08:06 Send private message

old3eyes:
sbiddle:
old3eyes:I would have though that most people would be able to sort out the US Precise Tone Plan.  It's not hard especially if you watch  TV ads like Fatso and US TV programs.. It's actually a very well thought out tone plan by Bell Labs in the early 1970s. .  You should do some research on it's  history..

From my experience with VOIP dial plans on PBX systems regardless of how well  it is set up there still seems to be about a 5 second delay after last digit dialed for any tone is heard compared to ISDN .


And that's the whole point of a dialplan. If you're getting a delay your VoIP system is quite simply incorrectly configured. There is no need or reason for a delay if the system is configured properly.

My dialplan has no delay after dialling *any* NZ number and all switching is imediate the moment the last digit is dialled. 



Unfortunately I must disagree about the delay.  Over the past year I have done lots of testing with SIP carriers and all of them have a 5 second delay  even though the PBX system ARS plans are setup correctly to do  a send  as soon as the last digit is dialed as we do with ISDN.  Most people I have spoken to don't have any problem with 4 or 5 second delay as they are used to it when calling mobiles.. .  Only when it gets beyond that do they have problems.

Guess we beg to disagree  .  Good luck in sorting things out  Smile


I don't have anything to sort out. My dialplan switches every valid number in NZ with no delay. There is no need for a delay if a proper dial plan is in place - a delay simply shows the current dial plan is  simply very generic intended to wait for x seconds after a digit it dialled before sending a SIP header or is not properly configured for it's intended purpose.

Not my problem if other people can't or don't know how to configure their equipment properly! Smile

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  Reply # 316946 11-Apr-2010 08:56 Send private message

old3eyes:
sbiddle:
old3eyes: Why worry about NZ tone plan?? The default US works fine..


Tone plan or dian plan? The tones are important because we're in NZ, not the USA.

As for the dialplan as Phil points out this ensures all calls are matched immediately and dial with no delay which is exactly what happens in the PSTN world.




I would have though that most people would be able to sort out the US Precise Tone Plan.  It's not hard especially if you watch  TV ads like Fatso and US TV programs.. It's actually a very well thought out tone plan by Bell Labs in the early 1970s. .  You should do some research on it's  history..

From my experience with VOIP dial plans on PBX systems regardless of how well  it is set up there still seems to be about a 5 second delay after last digit dialed for any tone is heard compared to ISDN .


Sorry but this just points to badly / poorly configured PABX systems and installer's actually not knowing what they are doing or how to test correctly, for National calling PDD should be a couple of seconds at worst.

If you send calls via IP as appossed to TDM to the same carrier there should actually be no difference, Calls will be presented generally in an ENBLOC method for ISDN and Via Invites for SIP, fom there carriers will have SS7 interconects for termination which is a very quick signalling method, Carriers route National numbers on a fixed length and I will guarentee you that any delay is not there... National calling should present ring back within a second or 2 if not you will have a badly configured system....excluding Mobiles here as they are always slow...even John R cant fix that Tongue out 

It's actually good to see some people take Dial & Tone plans seriously, unfortunatly there are not enough of them out there as there seems to be to many cowboys as some people seem to think that if you can make and receice a IP call then thats it, as migration from a TDM world to IP world gains continues to grow it doesn't mean we should ignore Industry and National standards.... Near enough is not good Enough!!!




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  Reply # 317287 12-Apr-2010 12:28 Send private message

I would be happy to help with testing.

 have a SPA-2102connected to 2Talk.

Cheers,
Andy

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  Reply # 319481 16-Apr-2010 18:27 Send private message

Added a thread here that adds some thoughts

http://www.geekzone.co.nz/forums.asp?forumid=43&topicid=60027




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  Reply # 319513 16-Apr-2010 20:50 Send private message

andar: I would be happy to help with testing.

 have a SPA-2102connected to 2Talk.

Cheers,
Andy


Same goes for me.

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  Reply # 320469 19-Apr-2010 21:53 Send private message

will be happy to test.. SPA 22102, PAP2T and AG310 thru a Aria 24ip PABX with 2Talk,  also 2 Cisco 7912 phones also on 2Talk


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