The Nokia SIP Stack doesn't forward certain incoming SIP:INVITE messages to our application. I can't figure out the exact format of SipAppCapabilities.XML.
The media line (m-line) in the SDP of the incoming SIP:INVITE is as follows:
(m): chat 5080 sip sip:10.20.30.80:5080;GoDirect?Call-ID=-1520392120-25398511%4010.20.30.80
As you can see above, the media format parameter (fourth parameter) in the m-line will vary with each SIP call since it includes the CALL-ID.
But the description of SipAppCapabilities.XML in Nokia's Series 60 SIP Programmer's Guide.PDF explains that the SDP_LINE should match the complete m-line.
How can we introduce partial matches for the m-line in SipAppCapabilities.XML?
For instance, we tried the following values without success:
<LINE name="m" value="chat 5080 sip sip"/>