[cisco-voip] FXO Outbound Call Not Working

Tue Jun 15 10:50:10 EDT 2010

Latest results.  An IT Admin is there using his butt set.  Connected to the phone block, he can dial out.  Maybe it's the FXO cards that got fried during the storm...

One last test I can think of.  Do they still have an old POTS phone laying around somewhere?  I want to plug it up using the same RJ-11 cable that's connect to the router.
The reason I want to do this old phone test using the same cable is because I wonder if the cabling might have gone bad.  It could be something as simple as that.

Hyoun Kim
Network Administrator
Charter Media - East Division
640 Broadmor Blvd, Suite 80
Murfreesboro, TN 37129

Email: Hyoun.Kim at chartercom.com<mailto:Hyoun.Kim at chartercom.com>
Office: 615.217.6245
Fax: 615.217.6247
________________________________
From: Miller, Brad B
Sent: Tuesday, June 15, 2010 9:39 AM
To: Kim, Hyoun S
Subject: Re: More Tuscaloosa Diagnosing

I tested 3 phones with the same results. I can dial out and receive from the phone block. I can't dial out from the VOIP phone, but I can receive calls.

________________________________
From: Kim, Hyoun S
To: Miller, Brad B
Sent: Tue Jun 15 09:30:52 2010
Subject: RE: More Tuscaloosa Diagnosing
We need to make sure.  What lines are you calling from on the butt set and can you dial out on that same phone?  For example, you connect the butt set to Terry Banks' line on the phone block.  Test to see if he can call from his VoIP phone too.

Also, is there any way you can double check the connections from the block to the router?  If they still have one of their older phones, try plugging it up directly using the same cable that runs to the phone block.

I want to make sure that every person can't dial out.

Hyoun Kim
Network Administrator
Charter Media - East Division
640 Broadmor Blvd, Suite 80
Murfreesboro, TN 37129

Email: Hyoun.Kim at chartercom.com<mailto:Hyoun.Kim at chartercom.com>
Office: 615.217.6245
Fax: 615.217.6247

From: Erick B. [mailto:erickbee at gmail.com]
Sent: Monday, June 14, 2010 1:06 PM
To: Kim, Hyoun S
Cc: Dennis Heim; ccieid1ot; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] FXO Outbound Call Not Working

The next step would be like I said, try out each line disconnected from router FXO port with a old POTS / princess phone and see if the phone lines work, or use a Butt Sett on them like Dennis suggested.

The 0x00 is indication of router voice-port seeing no voltage on the line plugged into that port (maybe there is nothing plugged into the port, or it got disconnected somewhere upstream). This command however gives you more of a warm fuzzy then anything. With analog lines, there is no real good way from router command line to really tell what is going on with the actual phone lines. The no circuit on the call history means the router attempted to make a call but didn't detect a phone line / dial tone on that port to do so.

But, most likely a telephone provider / phone line cabling issue since this used to work fine with no changes on your gateway.

On Mon, Jun 14, 2010 at 10:07 AM, Kim, Hyoun S <Hyoun.Kim at chartercom.com<mailto:Hyoun.Kim at chartercom.com>> wrote:
I'm having a local IT guy from down there to try it.  I can't because I'm over 300 miles away.

In the event that phone calls cannot be made outbound, what needs to be done given the e-mail I wrote out below?

Hyoun Kim
Network Administrator
Charter Media - East Division
640 Broadmor Blvd, Suite 80
Murfreesboro, TN 37129

Email: Hyoun.Kim at chartercom.com<mailto:Hyoun.Kim at chartercom.com>
Office: 615.217.6245
Fax: 615.217.6247

From: Dennis Heim [mailto:Dennis.Heim at cdw.com<mailto:Dennis.Heim at cdw.com>]
Sent: Monday, June 14, 2010 9:07 AM
To: Kim, Hyoun S; Erick B.; ccieid1ot

Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: RE: [cisco-voip] FXO Outbound Call Not Working

If you connect your butt-set to these lines do they work?

Dennis Heim
Network Voice Engineer
CDW  Advanced Technology Services
11711 N. Meridian Street, Suite 225
Carmel, IN  46032

317.569.4255 Office
317.569.4201 Fax
317.694.6070 Cell
dennis.heim at cdw.com<mailto:dennis.heim at cdw.com>
cdw.com/content/solutions/unified-communications/<http://www.cdw.com/content/solutions/unified-communications/>

From: cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net> [mailto:cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net>] On Behalf Of Kim, Hyoun S
Sent: Monday, June 14, 2010 9:53 AM
To: Erick B.; ccieid1ot
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] FXO Outbound Call Not Working

Oh sorry Erick.

The hardware is a C2811 with 3 VIC2-4FXO cards utilizing 12 analog phone lines from the telco (AT&T).  I have 2 DSP modules (PVDM2-16 & 64) installed with a NM-CUE module installed as well.

All of the lines exhibit the same problem where people can dial to the office and the phone rings.  But outbound calls by that office do not work and display that same error I showed in the first e-mail.  I attempted to use the groundstart command on my voice ports per CCIEID1OT's recommendation, but that didn't work either.

Thanks for that call command.  Here is the output for outbound calls... I see the "no circuit 34" you mentioned!
15B7 : 347 246488340ms.346 +-1 +1260 pid:6 Originate 16152176245
 dur 00:00:00 tx:0/0 rx:0/0 22  (no circuit (34))
 Telephony 0/0/0 (347) [0/0/0] tx:0/0/0ms None noise:0dBm acom:0dBm
  long duration call detected:n long dur callduration :n/a timestamp:n/a

Also, here are the results from the test voice command you gave me:
005578: Jun 14 08:50:42.880 CDT:
Values read from SiLabs Codec connected to DSP 0, channel 8:
--------------------------------------------------------------
Register 29 = 0xD5

I noticed the Register 29 comes out with different values for different ports.  Such as 0x00, 0xD5 & 0xD4.

What are your recommendations since I get the "no circuit 34"?  The only thread I saw in regards to my initial error on Cisco's support forums is this: https://supportforums.cisco.com/message/3118805#3118805

However, the user ended up saying that the Telco was at fault and that's how he got it fixed.  I just wanted to make sure all my hardware was ok before tell AT&T because in the past, they always tell me to check my equipment first.

Thanks so much.

Hyoun Kim
Network Administrator
Charter Media - East Division
640 Broadmor Blvd, Suite 80
Murfreesboro, TN 37129

Email: Hyoun.Kim at chartercom.com<mailto:Hyoun.Kim at chartercom.com>
Office: 615.217.6245
Fax: 615.217.6247

From: Erick B. [mailto:erickbee at gmail.com<mailto:erickbee at gmail.com>]
Sent: Friday, June 11, 2010 11:51 PM
To: ccieid1ot
Cc: Kim, Hyoun S; cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] FXO Outbound Call Not Working

I would start by making sure each of the analog lines worked fine, with a regular old princess phone, if possible. Since it was working fine, and config hasn't changed, it's likely an issue with the phone lines or cabling.

You don't mention what type of hardware you have, but try reseating the cables, especially if you have a amphenol connector. Those tend to vibrate loose over time and cause problems like this, where calls fail but some work depending on what port is being used.

Output from 'show call history voice brief' may be useful. If the cause/reason states no circuit 34 then the line may be a problem.

If you have a ISR router, you can try this, but it varies with voice-card hardware, a 0x0 result indicates the router see's no voltage on whatever is attached to the voice-port.

term mon
test voice port x/y/z si-reg-read 29 1

Where x/y/z is your voice-port #/#/#, you need term mon to see the output from the test command.

On Fri, Jun 11, 2010 at 3:27 PM, ccieid1ot <ccieid1ot at gmail.com<mailto:ccieid1ot at gmail.com>> wrote:
Try changing to ground-start.
On Fri, Jun 11, 2010 at 2:43 PM, Kim, Hyoun S <Hyoun.Kim at chartercom.com<mailto:Hyoun.Kim at chartercom.com>> wrote:
I have a router that I've utilizes FXO modules for making calls.  When I first set it up, everything worked fine.  A few months later, users started reporting to me an intermittent problem for outbound calls.  Sometimes they can make calls, but the majority of the time, they get a fast busy signal.  I compared the current router's configuration to when I originally saved the configuration from initial setup.  Nothing changed.  Out of perhaps 10 calls made, maybe 1 of them went through.

The following is the config for a voice-port.  All the other ones have the same config.  2857 is the number to the Unity Express.
voice-port 0/0/0
 trunk-group POTS-FXO
 connection plar opx 2857
caller-id enable

I did try "no supervisory disconnect signal" but that didn't work either.

I turned on debugging for "vpm signal" and made several calls to different phone numbers.  The following output is just an example of what the result is for all calls:
001401: Jun 11 14:36:33.104 CDT: htsp_digit_ready(50/0/10.1): digit = 1
001402: Jun 11 14:36:33.500 CDT: htsp_digit_ready(50/0/10.1): digit = 6
001403: Jun 11 14:36:33.832 CDT: htsp_digit_ready(50/0/10.1): digit = 1
001404: Jun 11 14:36:34.124 CDT: htsp_digit_ready(50/0/10.1): digit = 5
001405: Jun 11 14:36:34.548 CDT: htsp_digit_ready(50/0/10.1): digit = 2
001406: Jun 11 14:36:34.816 CDT: htsp_digit_ready(50/0/10.1): digit = 1
001407: Jun 11 14:36:35.204 CDT: htsp_digit_ready(50/0/10.1): digit = 7
001408: Jun 11 14:36:35.636 CDT: htsp_digit_ready(50/0/10.1): digit = 6
001409: Jun 11 14:36:35.904 CDT: htsp_digit_ready(50/0/10.1): digit = 3
001410: Jun 11 14:36:36.308 CDT: htsp_digit_ready(50/0/10.1): digit = 0
001411: Jun 11 14:36:36.576 CDT: htsp_digit_ready(50/0/10.1): digit = 0
001412: Jun 11 14:36:36.588 CDT: htsp_timer_stop3
001413: Jun 11 14:36:36.588 CDT: htsp_process_event: [50/0/10.1, EFXS_OFFHOOK, E_HTSP_PROCEEDING]efxs_offhook_proceeding
001414: Jun 11 14:36:36.588 CDT: [50/0/10.1] set signal state = 0x8 timestamp = 0htsp_setup_req
001415: Jun 11 14:36:36.592 CDT: htsp_process_event: [0/0/0, FXOLS_ONHOOK, E_HTSP_SETUP_REQ]fxols_onhook_setup
001416: Jun 11 14:36:36.592 CDT: [0/0/0] set signal state = 0xC timestamp = 0
001417: Jun 11 14:36:36.592 CDT: htsp_timer - 1300 msec
001418: Jun 11 14:36:36.844 CDT: htsp_process_event: [0/0/0, FXOLS_WAIT_DIAL_TONE, E_DSP_SIG_1100]fxols_power_denial_detected
001419: Jun 11 14:36:36.844 CDT: htsp_timer2 - 1000 msec
001420: Jun 11 14:36:36.844 CDT: htsp_timer_stop
001421: Jun 11 14:36:37.844 CDT: htsp_process_event: [0/0/0, FXOLS_WAIT_DIAL_TONE, E_HTSP_EVENT_TIMER2]fxols_power_den_disc
001422: Jun 11 14:36:37.844 CDT: htsp_timer_stop
001423: Jun 11 14:36:37.844 CDT: htsp_timer_stop2
001424: Jun 11 14:36:37.844 CDT: [0/0/0] set signal state = 0x4 timestamp = 0
001425: Jun 11 14:36:37.848 CDT: htsp_process_event: [0/0/0, FXOLS_ONHOOK, E_HTSP_RELEASE_REQ]fxols_onhook_release
001426: Jun 11 14:36:54.497 CDT: htsp_process_event: [50/0/10.1, EFXS_OFFHOOK, E_DSP_SIG_0100]efxs_offhook_onhook
001427: Jun 11 14:36:54.497 CDT: htsp_timer - 10 msec
001428: Jun 11 14:36:54.509 CDT: htsp_process_event: [50/0/10.1, EFXS_OFFHOOK, E_HTSP_EVENT_TIMER]efxs_offhook_timer
001429: Jun 11 14:36:54.513 CDT: htsp_process_event: [50/0/10.1, EFXS_ONHOOK, E_HTSP_RELEASE_REQ]efxs_onhook_release
001430: Jun 11 14:36:54.513 CDT: htsp_timer_stop
001431: Jun 11 14:36:54.513 CDT: [50/0/10.1] set signal state = 0x4 timestamp = 0

Thanks for any help.
[cid:image001.jpg at 01CB0C70.19473A80]
________________________________
Hyoun Kim * Network Administrator - East Division
640 Broadmor Blvd * Suite 80 * Murfreesboro, TN 37129
' 615.217.6245 * 7 615.217.6247 * * Hyoun.Kim at chartercom.com<mailto:Hyoun.Kim at chartercom.com>

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