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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