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Home > Archive > Voice over IP Cisco > July 2007 > Crosstalk or Merged VoIP calls
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Crosstalk or Merged VoIP calls
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| Mike Neal 2007-07-27, 1:12 pm |
| Has anyone seen crosstalk or calls getting merged in a VoIP environment.
We run a very large VoIP environment and have seen 3 cases of this.
Case #1:
Two routers in two different locations.
Location 'A' has a user on an IP phone outbound to the PSTN.
Location 'B' receives an inbound call that gets forward to our own voicemail
system via a cisco 7610 DPA.
Our voicemails are delivered to our email the form of .WAV files.
The .WAV file delivered to the user is of the conversation that location 'A'
user is having.
The .WAV file recorded a portion of their conversation.
How is this possible? The two voice streams don't exist on the same routers.
How could they and where could they have mixed.
Case #2:
One router in one location (that we know of..lol).
User dials in and this time leaves me a voice mail. The voice mail I get is
not what he left but of another live conversation of another party.
The only common parties involved here are CCM 4.x cluster, cisco DPA7610's
and our voicemails system.
Any help would be appreciated.
Cisco is baffled as well.
Thanks,
Mike
| |
| Voll, Scott 2007-07-27, 1:12 pm |
| I have seen this when we had our CM and old legacy PBX connected. I
always thought it was the PBX screwing something up.......... Are any
of the Connections QSig?
Scott
________________________________
From: cisco-voip-bounces@puck.nether.net
[mailto:cisco-voip-bounces@puck.nether.net] On Behalf Of Mike Neal
Sent: Friday, July 27, 2007 8:16 AM
To: cisco-voip@puck.nether.net
Subject: [cisco-voip] Crosstalk or Merged VoIP calls
Has anyone seen crosstalk or calls getting merged in a VoIP environment.
We run a very large VoIP environment and have seen 3 cases of this.
Case #1:
Two routers in two different locations.
Location 'A' has a user on an IP phone outbound to the PSTN.
Location 'B' receives an inbound call that gets forward to our own
voicemail system via a cisco 7610 DPA.
Our voicemails are delivered to our email the form of .WAV files.
The .WAV file delivered to the user is of the conversation that location
'A' user is having.
The .WAV file recorded a portion of their conversation.
How is this possible? The two voice streams don't exist on the same
routers. How could they and where could they have mixed.
Case #2:
One router in one location (that we know of..lol).
User dials in and this time leaves me a voice mail. The voice mail I get
is not what he left but of another live conversation of another party.
The only common parties involved here are CCM 4.x cluster, Cisco
DPA7610's and our voicemails system.
Any help would be appreciated.
Cisco is baffled as well.
Thanks,
Mike
| |
| Mike Neal 2007-07-27, 1:12 pm |
| Nope, no QSig. Just standard North American PRI signaling here.
What version CCM were you using?
What were you using for voice mail?
Where there voice gateways involved in your seni
Our first thought was this was a typical DSP problem but how could a live
conversation get re-routed from it's orginal router to our VM system and be
merged in to an exsisting incoming VM call that is being left for a user.
This one will go down in the history books as then one that stumped the
world I think. I can only hope that someone out there has see this and can
point me in the right direction.
Thanks,
On 7/27/07, Voll, Scott <Scott.Voll@wesd.org> wrote:
>
> I have seen this when we had our CM and old legacy PBX connected. I
> always thought it was the PBX screwing something up………. Are any ofthe
> Connections QSig?
>
>
>
> Scott
>
>
> ------------------------------
>
> *From:* cisco-voip-bounces@puck.nether.net [mailto:
> cisco-voip-bounces@puck.nether.net] *On Behalf Of *Mike Neal
> *Sent:* Friday, July 27, 2007 8:16 AM
> *To:* cisco-voip@puck.nether.net
> *Subject:* [cisco-voip] Crosstalk or Merged VoIP calls
>
>
>
> Has anyone seen crosstalk or calls getting merged in a VoIP environment.
>
> We run a very large VoIP environment and have seen 3 cases of this.
>
>
>
> Case #1:
>
> Two routers in two different locations.
>
> Location 'A' has a user on an IP phone outbound to the PSTN.
>
> Location 'B' receives an inbound call that gets forward to our own
> voicemail system via a cisco 7610 DPA.
>
> Our voicemails are delivered to our email the form of .WAV files.
>
> The .WAV file delivered to the user is of the conversation that location
> 'A' user is having.
>
> The .WAV file recorded a portion of their conversation.
>
> How is this possible? The two voice streams don't exist on the same
> routers. How could they and where could they have mixed.
>
>
>
> Case #2:
>
> One router in one location (that we know of..lol).
>
> User dials in and this time leaves me a voice mail. The voice mail I get
> is not what he left but of another live conversation of another party.
>
>
>
> The only common parties involved here are CCM 4.x cluster, cisco DPA7610's
> and our voicemails system.
>
>
>
> Any help would be appreciated.
>
> cisco is baffled as well.
>
>
>
> Thanks,
>
> Mike
>
| |
| Mike Neal 2007-07-27, 1:12 pm |
| Nope, no QSig. Just standard North American PRI signaling here.
What version CCM were you using?
What were you using for voice mail?
Where there voice gateways involved in your scenario and if so, what model
and IOS version?
Our first thought was this was a typical DSP problem but how could a live
conversation get re-routed from its original router to our VM system and be
merged in to an existing incoming VM call that is being left for a user.
This one will go down in the history books as then one that stumped the
world I think. I can only hope that someone out there has see this and can
point me in the right direction.
Thanks,
>
> On 7/27/07, Voll, Scott <Scott.Voll@wesd.org > wrote:
>
>
| |
| Voll, Scott 2007-07-27, 1:12 pm |
| We had a VGW that interconnected the PBX and CM. running CM 4.1 and
Unity 4.0.5 on both the PBX and the CM side of things. I think DSP
problem could very well be a possibility. Have you upgraded?
Scott
________________________________
From: Mike Neal [mailto:routerguru1@gmail.com]
Sent: Friday, July 27, 2007 8:48 AM
To: Voll, Scott
Cc: cisco-voip@puck.nether.net
Subject: Re: [cisco-voip] Crosstalk or Merged VoIP calls
Nope, no QSig. Just standard North American PRI signaling here.
What version CCM were you using?
What were you using for voice mail?
Where there voice gateways involved in your seni
Our first thought was this was a typical DSP problem but how could a
live conversation get re-routed from it's orginal router to our VM
system and be merged in to an exsisting incoming VM call that is being
left for a user. This one will go down in the history books as then one
that stumped the world I think. I can only hope that someone out there
has see this and can point me in the right direction.
Thanks,
On 7/27/07, Voll, Scott <Scott.Voll@wesd.org > wrote:
I have seen this when we had our CM and old legacy PBX connected. I
always thought it was the PBX screwing something up.......... Are any
of the Connections QSig?
Scott
________________________________
From: cisco-voip-bounces@puck.nether.net
[mailto:cisco-voip-bounces@puck.nether.net] On Behalf Of Mike Neal
Sent: Friday, July 27, 2007 8:16 AM
To: cisco-voip@puck.nether.net
Subject: [cisco-voip] Crosstalk or Merged VoIP calls
Has anyone seen crosstalk or calls getting merged in a VoIP environment.
We run a very large VoIP environment and have seen 3 cases of this.
Case #1:
Two routers in two different locations.
Location 'A' has a user on an IP phone outbound to the PSTN.
Location 'B' receives an inbound call that gets forward to our own
voicemail system via a cisco 7610 DPA.
Our voicemails are delivered to our email the form of .WAV files.
The .WAV file delivered to the user is of the conversation that location
'A' user is having.
The .WAV file recorded a portion of their conversation.
How is this possible? The two voice streams don't exist on the same
routers. How could they and where could they have mixed.
Case #2:
One router in one location (that we know of..lol).
User dials in and this time leaves me a voice mail. The voice mail I get
is not what he left but of another live conversation of another party.
The only common parties involved here are CCM 4.x cluster, Cisco
DPA7610's and our voicemails system.
Any help would be appreciated.
Cisco is baffled as well.
Thanks,
Mike
| |
| Mike Neal 2007-07-27, 1:12 pm |
| We are running 12.4(9)T2 on the 3745's/3845's platforms and running
4.02CCM. We are in the process of upgrading to CCM
5.02. .
Mike
On 7/27/07, Voll, Scott <Scott.Voll@wesd.org> wrote:
>
> We had a VGW that interconnected the PBX and CM. running CM 4.1 and
> Unity 4.0.5 on both the PBX and the CM side of things. I think DSP
> problem could very well be a possibility. Have you upgraded?
>
>
>
> Scott
>
>
> ------------------------------
>
> *From:* Mike Neal [mailto:routerguru1@gmail.com]
> *Sent:* Friday, July 27, 2007 8:48 AM
> *To:* Voll, Scott
> *Cc:* cisco-voip@puck.nether.net
> *Subject:* Re: [cisco-voip] Crosstalk or Merged VoIP calls
>
>
>
> Nope, no QSig. Just standard North American PRI signaling here.
>
> What version CCM were you using?
>
> What were you using for voice mail?
>
> Where there voice gateways involved in your seni
>
>
>
> Our first thought was this was a typical DSP problem but how could a live
> conversation get re-routed from it's orginal router to our VM system and be
> merged in to an exsisting incoming VM call that is being left for a user.
> This one will go down in the history books as then one that stumped the
> world I think. I can only hope that someone out there has see this and can
> point me in the right direction.
>
>
>
> Thanks,
>
>
>
> On 7/27/07, *Voll, Scott* <Scott.Voll@wesd.org > wrote:
>
> I have seen this when we had our CM and old legacy PBX connected. I
> always thought it was the PBX screwing something up………. Are any ofthe
> Connections QSig?
>
>
>
> Scott
>
>
> ------------------------------
>
> *From:* cisco-voip-bounces@puck.nether.net [mailto:
> cisco-voip-bounces@puck.nether.net] *On Behalf Of *Mike Neal
> *Sent:* Friday, July 27, 2007 8:16 AM
> *To:* cisco-voip@puck.nether.net
> *Subject:* [cisco-voip] Crosstalk or Merged VoIP calls
>
>
>
> Has anyone seen crosstalk or calls getting merged in a VoIP environment.
>
> We run a very large VoIP environment and have seen 3 cases of this.
>
>
>
> Case #1:
>
> Two routers in two different locations.
>
> Location 'A' has a user on an IP phone outbound to the PSTN.
>
> Location 'B' receives an inbound call that gets forward to our own
> voicemail system via a cisco 7610 DPA.
>
> Our voicemails are delivered to our email the form of .WAV files.
>
> The .WAV file delivered to the user is of the conversation that location
> 'A' user is having.
>
> The .WAV file recorded a portion of their conversation.
>
> How is this possible? The two voice streams don't exist on the same
> routers. How could they and where could they have mixed.
>
>
>
> Case #2:
>
> One router in one location (that we know of..lol).
>
> User dials in and this time leaves me a voice mail. The voice mail I get
> is not what he left but of another live conversation of another party.
>
>
>
> The only common parties involved here are CCM 4.x cluster, cisco DPA7610's
> and our voicemails system.
>
>
>
> Any help would be appreciated.
>
> cisco is baffled as well.
>
>
>
> Thanks,
>
> Mike
>
>
>
| |
| Voll, Scott 2007-07-27, 1:12 pm |
| Why stop at 5.0. why not go to 5.1? most of the bugs are fixed in 5.1
________________________________
From: Mike Neal [mailto:routerguru1@gmail.com]
Sent: Friday, July 27, 2007 10:38 AM
To: Voll, Scott
Cc: cisco-voip@puck.nether.net
Subject: Re: [cisco-voip] Crosstalk or Merged VoIP calls
We are running 12.4(9)T2 on the 3745's/3845's platforms and running 4.02
CCM. We are in the process of upgrading to CCM 5.02. .
Mike
On 7/27/07, Voll, Scott <Scott.Voll@wesd.org> wrote:
We had a VGW that interconnected the PBX and CM. running CM 4.1 and
Unity 4.0.5 on both the PBX and the CM side of things. I think DSP
problem could very well be a possibility. Have you upgraded?
Scott
________________________________
From: Mike Neal [mailto: routerguru1@gmail.com]
Sent: Friday, July 27, 2007 8:48 AM
To: Voll, Scott
Cc: cisco-voip@puck.nether.net
Subject: Re: [cisco-voip] Crosstalk or Merged VoIP calls
Nope, no QSig. Just standard North American PRI signaling here.
What version CCM were you using?
What were you using for voice mail?
Where there voice gateways involved in your seni
Our first thought was this was a typical DSP problem but how could a
live conversation get re-routed from it's orginal router to our VM
system and be merged in to an exsisting incoming VM call that is being
left for a user. This one will go down in the history books as then one
that stumped the world I think. I can only hope that someone out there
has see this and can point me in the right direction.
Thanks,
On 7/27/07, Voll, Scott < Scott.Voll@wesd.org
<mailto:Scott.Voll@wesd.org> > wrote:
I have seen this when we had our CM and old legacy PBX connected. I
always thought it was the PBX screwing something up.......... Are any
of the Connections QSig?
Scott
________________________________
From: cisco-voip-bounces@puck.nether.net
[mailto:cisco-voip-bounces@puck.nether.net] On Behalf Of Mike Neal
Sent: Friday, July 27, 2007 8:16 AM
To: cisco-voip@puck.nether.net
Subject: [cisco-voip] Crosstalk or Merged VoIP calls
Has anyone seen crosstalk or calls getting merged in a VoIP environment.
We run a very large VoIP environment and have seen 3 cases of this.
Case #1:
Two routers in two different locations.
Location 'A' has a user on an IP phone outbound to the PSTN.
Location 'B' receives an inbound call that gets forward to our own
voicemail system via a cisco 7610 DPA.
Our voicemails are delivered to our email the form of .WAV files.
The .WAV file delivered to the user is of the conversation that location
'A' user is having.
The .WAV file recorded a portion of their conversation.
How is this possible? The two voice streams don't exist on the same
routers. How could they and where could they have mixed.
Case #2:
One router in one location (that we know of..lol).
User dials in and this time leaves me a voice mail. The voice mail I get
is not what he left but of another live conversation of another party.
The only common parties involved here are CCM 4.x cluster, Cisco
DPA7610's and our voicemails system.
Any help would be appreciated.
Cisco is baffled as well.
Thanks,
Mike
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