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RE: TDM (E1/T1) over MPLS.

  • From: "John Senior" <js@irishbroadband.ie>
  • Date: Wed, 28 Jan 2004 14:07:41 -0000
  • Cc: <mpls-ops@mplsrc.com>
  • Resent-Date: Wed, 28 Jan 2004 09:54:12 -0500
  • Thread-Index: AcPloSD4/Qm/+qNBSB69PX0tWfca2AAA/8Og
  • Thread-Topic: [MPLS-OPS]: TDM (E1/T1) over MPLS.
  • To: "Shailendra Gupta" <shailendra.gupta@estelcom.com>
  • X-MIME-Autoconverted: from quoted-printable to 8bit by host.secure4-hosting.net id i0SECd1p020840

Hi Shailendra,

These would be G.704 framed circuits.   I understand that I can carry
E1s with HDLC or PPP but I need this for cellular backhaul.

All the best,

John.

-----Original Message-----
From: Shailendra Gupta [mailto:shailendra.gupta@estelcom.com] 
Sent: 28 January 2004 13:08
To: John Senior; mpls-ops@mplsrc.com
Subject: Re: [MPLS-OPS]: TDM (E1/T1) over MPLS.


Dear John

1. I assume that these E1 TDM Voice Channels would be
digitized[hopefully
G.729] through some MUX at both ends, which support Frame-Relay WAN
Connectivity at Trunk Side.
2. If 1, is true & you have Cisco H/w, you/Service Provider may deploy
ATOM[Any Transport over MPLS; using Martini Draft] and create
Transparent
L2VPN to transport such digitized & Frame-Relay encapsulated Voice from
one
location to other over ATOM/MPLS cloud.

I understand even Juniper deploys such L2 VPN, using "Kompala Draft"

Shailendra


----- Original Message ----- 
From: "John Senior" <js@irishbroadband.ie>
To: <mpls-ops@mplsrc.com>
Sent: Wednesday, January 28, 2004 4:10 PM
Subject: [MPLS-OPS]: TDM (E1/T1) over MPLS.


> Hi folks,
>
> I am currently investigating implementing MPLS on our network, most
> likely with Juniper.  One area that I need to cover is the ability to
> carry E1 TDM (i.e. 30 channels of voice) circuits.  I realise that
> there are products out there like these: www.tdmoip.com from RAD that
> can 'packetize' voice circuits, but am wondering what the state of
> play is with carrying TDM directly?  Juniper can't do this today, but
> I'm told that it is being investigated.  Are there any other vendors
> who can do this?
>
> All the best,
>
> John.
>
> --
> John Senior <js@irishbroadband.ie>
>
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