Displaying 2 results from an estimated 2 matches for "26000bps".
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2005 Jan 18
1
Re: Asterisk bandwidth tuning?
...dvise us to use if the bandwidth is about 22kbps (dial up
> connection in very old countries)?
>>
>> GSM Codec is 13k plus overhead. That may work?
>No way. GSM is 13.2kbps, and with Asterisk's hardcoded 20ms
>packetization, this gives 29200bps with RTP-based protocols or 26000bps
>with IAX, and as long as Asterisk doesn't support silence suppression,
>this needs to be full duplex, and I doubt you don't get that from a
>modem. If we could add silence suppression, we could do with half
>duplex, effectively saving half the bandwidth. in addition, if we...
2005 Jan 19
1
Re: Asterisk bandwidth tuning?
...ndwidth is about 22kbps (dial up
>>connection in very old countries)?
>>
>>>GSM Codec is 13k plus overhead. That may work?
>
>
>>No way. GSM is 13.2kbps, and with Asterisk's hardcoded 20ms
>>packetization, this gives 29200bps with RTP-based protocols or 26000bps
>>with IAX, and as long as Asterisk doesn't support silence suppression,
>>this needs to be full duplex, and I doubt you don't get that from a
>>modem. If we could add silence suppression, we could do with half
>>duplex, effectively saving half the bandwidth. in...