[SIPForum-discussion] SIP to ISUP mapping

[Ghulam Murtaza]

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
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