Is it possible to use PJSIP only for SIP signaling and handle media separately?

Is it possible to use PJSIP only for SIP signaling and handle media
separately?

References

Reference NO 1

http://stackoverflow.com/questions/15198377/is-it-possible-to-use-pjsip-only-for-sip-signaling-and-handle-media-separately

Reference NO 2

http://stackoverflow.com/questions/11451076/implementing-the-sip-functionality-in-ios5

Reference NO 3

http://trac.pjsip.org/repos/wiki/FAQ

Reference NO 4

https://trac.pjsip.org/repos/query?status=closed&page=6&desc=1&order=type&row=description

Reference NO 5

http://sipsimpleclient.org/projects/sipsimpleclient/wiki/SipCoreApiDocumentation

Reference NO 6

http://comments.gmane.org/gmane.comp.voip.pjsip/17195

Reference NO 7

#EANF#

Reference NO 8

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