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Alex A. Welzl
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About Alex A. Welzl
04-19-2019
Alex A. Welzl
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Member since
02-20-2013
14
Posts
5
Helpful
0
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Latest Contributions by Alex A. Welzl
Latest Contributions by Alex A. Welzl
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Re: Cisco SPA525G - Firmware 7.6.2SR5 - Error CC_EV_SIG_REGISTER_FAILED
Created by
Alex A. Welzl
in
Voice Systems
04-19-2019
04-19-2019
It's a bit weird. The SR5 for the SPA525G/G2 is the ONLY version which needs the custom_CA to be set...
Re: Cisco SPA525G - Firmware 7.6.2SR5 - Error CC_EV_SIG_REGISTER_FAILED
Created by
Alex A. Welzl
in
Voice Systems
04-18-2019
04-18-2019
THX for the hint. We have not discovered any issues till now. I have added the Custom_CA to the sett...
Re: Cisco SPA525G - Firmware 7.6.2SR5 - Error CC_EV_SIG_REGISTER_FAILED
Created by
Alex A. Welzl
in
Voice Systems
04-17-2019
04-17-2019
I did some wiresharking and here's the result: 7559 120.784227695 172.16.11.37 172.16.11.99 Syslog 7...
Cisco SPA525G - Firmware 7.6.2SR5 - Error CC_EV_SIG_REGISTER_FAILED
Created by
Alex A. Welzl
in
Voice Systems
03-05-2019
03-05-2019
After upgrading some SPA525G from 7.6.2SR4 to 7.6.2SR5 none of the phone can sucessfully execute a T...
... but note that
Created by
Alex A. Welzl
in
Voice Systems
08-03-2017
08-03-2017
... but note that undocumented behavior may change anytime. As long as I will not upgrade the firmwa...
Cisco SPA Phones Text Messages (SMS) - how to clear them on the display?
Created by
Alex A. Welzl
in
Voice Systems
08-03-2017
08-03-2017
I have 2 different phone models (SPA504G & SPA525G) in use, both on firmware 7.6.2a. My goal is to s...
Vertical Service Announcement (SPA 500 Series)
Created by
Alex A. Welzl
in
Voice Systems
07-28-2017
07-28-2017
I have following issue and could not find any hint on the net: I want to enable FAT (Call forward al...
Cisco SPA3xx/5xx freeze - SOLVED!
Created by
Alex A. Welzl
in
Voice Systems
05-07-2015
05-07-2015
We had experienced the well-known freezing of SPA phone (3xx/5xx) in our environment. It happened ev...
Following update to the issue
Created by
Alex A. Welzl
in
Voice Systems
04-08-2015
04-08-2015
Following update to the issue: The call waiting tone is working, IF the secure call indication tone ...
I cannot confirm that the
Created by
Alex A. Welzl
in
Voice Systems
04-04-2015
04-04-2015
I cannot confirm that the "secure indicator tone" is before the audio starts. In our case it is bein...
I cannot follow the argument
Created by
Alex A. Welzl
in
Voice Systems
04-04-2015
04-04-2015
I cannot follow the argument you have mentioned in your post. All Cisco SPA phones support a "secure...
This issue is still pending -
Created by
Alex A. Welzl
in
Voice Systems
03-31-2015
03-31-2015
This issue is still pending - even with FW 7.5.7 on SPA3xx & SPA5xx. (only on SPA525G and SPA525G2 i...
Re: 3 beeps at call start after enabling SRTP on SPA502G
Created by
Alex A. Welzl
in
Voice Systems
04-12-2013
04-12-2013
One question which is maybe a bit related: I have the issue that I do not hear any call waiting tone...
SPA504G - encrypted call (SRTP) - no call waiting tone
Created by
Alex A. Welzl
in
Voice Systems
02-20-2013
02-20-2013
I have configured a SPA504G (FW 7.5.4) with an Asterisk 1.8.20.1 to use TLS/SRTP. Overall it runs w/...
Public Statistics
Date Registered
02-20-2013
05:38 AM
Date Last Visited
04-19-2019
12:10 AM
Total Messages Posted
14
Total Helpful Votes Received
5
Helpful Votes From
User
Helpful Count
Dan Lukes
5
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