Hi,

i just wondered, if the "s="-line has to have content according to the standard?
The standard is not really clear about this:

  Session Name

   s=<session name>

   The "s=" field is the session name.  There must be one and only one
   "s=" field per session description, and it must contain ISO 10646
   characters (but see also the `charset' attribute below).

(Page 9 of RFC2327)

I've noticed, that my AVM FritzBox will tear the call down, if the
s=line is empty (other devices seem to accept that).
After putting a simple string "call" into the s-line, everything works
fine (changed the SDPFilter.cpp of the SBC-module)

Can anyone confirm, if the s-line must have content to the standard?

Kind regards,
Carsten


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