[SIPForum-discussion] SIP to ISUP mapping (re-title: Huawei SoftX3000 treatment of "a=silenceSupp:off")

[qcorba]

This is a known issue and Huawei has provided an option to not treat
it as fax when SDP has "a=silenceSupp:off - - - -".

On 6/11/12, Ghulam Murtaza <ghmurtaza at gmail.com> wrote:
> Hi,
>
> One issue i am observing in Huawei SoftX3000.
>
> When it gets invite from the remote site with Silence suppressor= no ----
>
> It sends 183 with audio port "0", which is wrong.
>
> We have got response from Huawei support that
>
> Silence suppressor= no ---- is used for fax call only but they are
> not referring any RFC.
>
> Can anyone please refer such standard/RFC anywhere ?
>
> Thanks
>