Hi MJ,
Here is my Network flow
we have 3 branches in 3 different countries.
Between these branches we have 512 KB lease line for data. branch 1 we have
Cisco 3640 router and T1 card
and Nortel PBX , branch 2 we have Cisco 3640 router and E1 card and Nortal
PBX, branch 3 we have Cisco 3640 and E1 card and Alcatel 4200E PBX. Both
branch 1 and branch we are able to configure everything properly without any
problem but branch 3 we are facing a pecular problem. PBX is only accepting
QSIG signals and Router is generating CCS signals. how can i configure
Router to generate QSIG signals... please help me
Ranga
""MJ"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Ranga,
> Can you tell me how you have implemented VoIP, I mean I would like to
> understand your network flow. I am in coming week is going to put VoIP. We
> have Toshiba digital EPABX and I am going to use FXO and FXS cards.
>
> Your suggestion would be really useful.
>
>
> Mukul
>
> ""Ranga"" wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Hello,
> >
> > We are using Cisco 3640 and Alcatel 4200E PBX and want to implement
VoIP,
> > PBX is accepting QSIG signals and router is giving CCS signals, how can
i
> > change settings in the router so that it can give Qsig signals.
> >
> > thank you
> >
> > Ranga
> >
> > ""Patrick Donlon"" wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > MJ
> > >
> > > here a table with some bandwidth figure for your traffic, as the
others
> > > state 150ms is about the max delay after that then you can't guarantee
> > > quality. One major things to look for would be your qos on the local
> tail,
> > > read up on CBWFQ techniques they should help prioritise your voip
> traffic
> > >
> > > regards
> > >
> > > Codec
> > > Voice Bandwidth
> > > Transport Bandwidth
> > > Default
> > >
> > > packet size
> > > Packetisation delay
> > >
> > > ms
> > > Coding
> > >
> > > delay
> > >
> > > ms
> > > Complexity (according to Cisco)
> > > Quality
> > > MOS
> > > value
> > >
> > > G.711
> > > 64 kBit/s
> > > 80 kBit/s (with rtp header compression about 65 kbps)
> > > 160
> > > 20
> > > 0.375
> > > Low
> > > Normal
> > > 4.1
> > >
> > > G.729
> > > 8 kBit/s
> > > 12 kBit/s (rtp comp.)
> > >
> > > 24 kBit/s (without rtp comp.)
> > > 20
> > > 20
> > > 35
> > > Medium
> > > Normal
> > > 3.92
> > >
> > > G.726
> > > 16 kBit/s
> > > 32 kBit/s (with rtp header compression about 17 kpbs)
> > > 40
> > > 20
> > > 0.375
> > > Medium
> > > Analog
> > >
> > >
> > > G.726
> > > 24 kbit/s
> > > 40 kbit/s (with rtp header compression about 25 kbps)
> > > 60
> > > 20
> > > 0.375
> > > Medium
> > > Normal
> > >
> > >
> > > G.726
> > > 32 kBit/s
> > > 48 kBit/s (with rtp header compression about 33 kbps)
> > > 80
> > > 15
> > > 0.375
> > > Medium
> > > Normal
> > > 3.85
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > ""MJ"" wrote in message
> > > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > > Dear All,
> > > >
> > > > I am planning to implement VoIP between our different office located
> in
> > > > different country.
> > > >
> > > > All our offices have leased line to Internet normally either of 64K
or
> > > 128K.
> > > > I have 2x64 Leased lines coming from different ISP's.
> > > >
> > > > Can you suggest me.
> > > > 1. What should be avg. Ping in msec between office to have good
VoIP.
> > > > 2. What should be bandwidth to run one channel, they say 8K, so does
> > that
> > > > mean that on 64K leased line I can have 8 Ports working without any
> > > problem
> > > > ?
> > > >
> > > > What are the other things that I should look for before setting up
> VoIP
> > ?
> > > >
> > > >
> > > > Regards,
> > > >
> > > > Mukul Jain
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