ow is this handled in the real world at the provider
> level?
>
>
>
> Thanks,
>
>
>
> Jason
>
>
>
> *From:* Otto Sanchez [mailto:o...@ipexpert.com]
> *Sent:* Friday, March 12, 2010 4:59 AM
> *To:* Jason Granat
> *Cc:*
> *Subject:* Re: [OSL | CCIE_Vo
[OSL | CCIE_Voice] PSTN Call Distortion Between T1/E1
Hello Jason,
E1's and T1's will always use a-law and u-law companding mechanism
respectively, this is used to give more "resolution" to low voice frequencies
when digitizing an analog signal (the mechanism is also used in the
Hello Jason,
E1's and T1's will always use a-law and u-law companding mechanism
respectively, this is used to give more "resolution" to low voice
frequencies when digitizing an analog signal (the mechanism is also used in
the other end for digital to analogue conversion), each mechanism is
designe
So I've got this partially figured out. It had to do with the compand-type. E1
was a-law and T1 was u-law. I set the E1 side for u-law and it sounds correct
now.
The final thing I am trying to figure out is how to 'trans-compand' (if that is
the correct term) on the PSTN gateway. As it sits I h
Behalf Of Jason Granat
Sent: Thursday, March 11, 2010 9:54 AM
To: Jeff Price (jeffpric); ccie_voice@onlinestudylist.com
Subject: Re: [OSL | CCIE_Voice] PSTN Call Distortion Between T1/E1
Nope. I have all hardware here in my home lab. No VPN's.
From: Jeff Price (jeffpric) [mailto:jeffp...@
Nope. I have all hardware here in my home lab. No VPN's.
From: Jeff Price (jeffpric) [mailto:jeffp...@cisco.com]
Sent: Thursday, March 11, 2010 9:48 AM
To: Jason Granat; ccie_voice@onlinestudylist.com
Subject: RE: [OSL | CCIE_Voice] PSTN Call Distortion Between T1/E1
Are you by any c
Are you by any chance running a VPN from routers to PSTN? I've noticed
this causes distortion some times.
Jeff
From: ccie_voice-boun...@onlinestudylist.com
[mailto:ccie_voice-boun...@onlinestudylist.com] On Behalf Of Jason
Granat
Sent: Thursday, March 11, 2010 9:46 AM
To:
Subject: [OSL |
