[asterisk-dev] Supported: ms-early-media

CDR venefax at gmail.com
Thu Nov 18 16:16:27 CST 2010


Please somebody confirm if the supported header may appear more than once.
Yours
Feerico

On Thu, Nov 18, 2010 at 6:33 AM, Klaus Darilion <
klaus.mailinglists at pernau.at> wrote:

> I think the Supported header may appear several times, so you can try using
> the SIP ADD HEADER function and add the header yourself
>
> regards
> klaus
>
>
> On 18.11.2010 01:33, CDR wrote:
>
>> Is there an option in sip.conf for 1.6.2 that would add this to the
>> INVITE?
>> Supported: ms-early-media
>> In my invites I see:
>> Supported: replaces, timer
>> But I have not seen any option that would add the ms-early-media option.
>>
>> Here’s a link to the RFC3960 Describing the benefits of early media vs
>> late media.    In summary you eliminate “clipping” as it’s called.
>>
>>    Media clipping occurs when the user (or the machine generating media)
>>    believes that the media session is already established but the
>>    establishment process has not finished yet. The user starts speaking
>>    (i.e., generating media) and the first few syllables or even the
>>    first few words are lost.
>>
>>
>>
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