[cisco-voip] SetRingTone Wideband

Thu Apr 25 18:06:51 EDT 2019

Thanks Brian, was going to jump in but hesitated ;)

Don’t think I’m breaking any NDA’s here as this is just a general impression based on dialog on this topic, there is absolutely nothing official here and I can’t go into detail unfortunately.

I get the impression that background support may get dropped or more limited in the future. The recent addition of backgrounds to the KEM has caused more challenges than benefit in it’s current implementation. This would imply that Cisco will have to do something to update/resolve this, backtrack, or something new/different.

Personally I would love Cisco to fully embrace background/ringtones (i.e. the SetBackground XML object etc.). We see hundreds of clients that use custom backgrounds, it’s a great capability that is mostly an afterthought at times.

I would encourage anyone with customers leveraging the custom backgrounds on Cisco phones to provide feedback to Cisco asking for official API support for SetBackground/SetRingtone

One thing I was really pleased about was Cisco fixing the SetBackground bug on the latest 88xx firmware, but would be ideal if this was an official API.

Kind Regards

Stephen Welsh
Founder & CTO
UnifiedFX

Sent from my iPad

On 25 Apr 2019, at 14:02, Brian Meade <bmeade90 at vt.edu<mailto:bmeade90 at vt.edu>> wrote:

Yea, was hoping someone from Cisco would jump in to confirm if there's something like a SetRingToneWB command or something similar or plans to update this API at some point.

Adding Stephen Welsh as well since he's pretty familiar with these phone APIs.

On Thu, Apr 25, 2019 at 4:47 PM Anthony Holloway <avholloway+cisco-voip at gmail.com<mailto:avholloway%2Bcisco-voip at gmail.com>> wrote:
Alright, well, I guess that's the end of the road then, huh?

On Thu, Apr 25, 2019 at 3:31 PM Brian Meade <bmeade90 at vt.edu<mailto:bmeade90 at vt.edu>> wrote:
Thanks for testing Anthony!  You're seeing the same thing I saw in that it's only supporting the non-wideband ringtones.

Wideband ringtones don't have any size limitations I've found and also don't need to be divisible by 240.  I downloaded the wideband ringtones from CUCM and confirmed their sizes/samples and such to confirm that.

I can make a very long/sizable wideband ringtone, put it in the RingList-wb.xml file and upload it to TFTP and it works fine.  Seems like the limitation is just around the SetRingTone command only working with legacy ringtone parameters.

On Thu, Apr 25, 2019 at 3:14 PM Anthony Holloway <avholloway+cisco-voip at gmail.com<mailto:avholloway%2Bcisco-voip at gmail.com>> wrote:
I made a little progress.

Python
>>> import requests
>>> phone = 'my phone IP here'
>>> creds = ('my username', 'my password')
>>> xml = {'XML': '<setRingTone><ringTone>https://tftpserver.company.com:6972/NewRingtone.rwb</ringTone></setRingTone>'}
>>> resp = requests.post('http://{}/CGI/Execute'.format(phone), auth=creds, data=xml)
>>> resp
<Response [200]>
>>> resp.text
u'<?xml version="1.0" encoding="utf-8"?>\r\n<CiscoIPPhoneResponse>\r\n<ResponseItem URL="" Data="Success" Status="0" />\r\n</CiscoIPPhoneResponse>\r\n'

At first I got:

>>> resp
<Response [400]>
>>> resp.text
u'<?xml version="1.0" encoding="utf-8"?>\r\n<errorResponse>\r\n<type> Unsupported Operation</type> \r\n<data> Personalization is disabled</data> \r\n</errorResponse>\r\n'

After I enabled that, I then got:

>>> resp
<Response [400]>
>>> resp.text
u'<?xml version="1.0" encoding="utf-8"?>\r\n<errorResponse>\r\n<type> InvalidResource</type> \r\n<data>  Ring Tone Too Large: https://tftpserver.company.com:6972/ NewRingtone.rwb  Size is 264828</data> \r\n</errorResponse>\r\n'

Then after I cut the ringtone in half, I got this:

>>> resp
<Response [400]>
>>> resp.text
u'<?xml version="1.0" encoding="utf-8"?>\r\n<errorResponse>\r\n<type> InvalidResource</type> \r\n<data>  Invalid Ring Tone: Number of Ring samples in the ring not evenly divisible by 240: https://tftpserver.company.com:6972/ NewRingtone.rwb</data> \r\n</errorResponse>\r\n'

So, I used the following as a supplement to the previously linked site, so that I could figure out this 240 sample thing:
https://www.netcraftsmen.com/uc-toolkit-using-audacity-for-cucm-ring-tones/

My phone (8851 on 12.5(1)SR2) still plays the default Sunrise ringtone, and I don't see where the new ringtone comes into play.  Perhaps my successes will help you move the needle a little further?

On Thu, Apr 25, 2019 at 12:35 PM Brian Meade <bmeade90 at vt.edu<mailto:bmeade90 at vt.edu>> wrote:
I've got it working using the RingList-wb.xml globally, but still can't get it to work via API.  It seems like SetRingTone was just never updated to allow for wideband ringtones.

On Thu, Apr 25, 2019 at 10:37 AM Anthony Holloway <avholloway+cisco-voip at gmail.com<mailto:avholloway%2Bcisco-voip at gmail.com>> wrote:
Do you have it working now then?

On Wed, Apr 24, 2019 at 12:42 PM Brian Meade <bmeade90 at vt.edu<mailto:bmeade90 at vt.edu>> wrote:
So I confirmed the sample rate should be 16000 Hz as well.

Then exported as Raw (headerless) Signed 16-bit PCM

On Wed, Apr 24, 2019 at 1:25 PM Brian Meade <bmeade90 at vt.edu<mailto:bmeade90 at vt.edu>> wrote:
 SetRingTone is a bit undocumented in any of the API guides similar to setBackground.  They both work but RingTone may not have been updated to support wideband files.

I've got the ringtone on CUCM now as well using the file settings in that blog but it's playing too fast.

Anyone know if the sample rate needs to be changed from 8000 Hz or any other changes for wideband?

On Wed, Apr 24, 2019 at 1:12 PM Anthony Holloway <avholloway+cisco-voip at gmail.com<mailto:avholloway%2Bcisco-voip at gmail.com>> wrote:
I've never heard of this before, but a quick google search turns up the following page with some detailed info.  Have you already seen this info?

http://usecallmanager.nz/ring-list-xml.html

Interestingly, this information doesn't seem to be present in the normal Phone API guide.  Is this hidden information, or just documented elsewhere?

On Wed, Apr 24, 2019 at 11:38 AM Brian Meade <bmeade90 at vt.edu<mailto:bmeade90 at vt.edu>> wrote:
Anyone had any luck using the IP Phone Services API to set a wideband ringtone? It doesn't seem to like the file size for me even though my files are smaller than the default wideband ringtones.

Thanks,
Brian Meade
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