| nta.c | Sofia SIP Transaction API implementation |
| nta_check.c | Checks for features, MIME types, session timer |
| nta_internal.h [code] | Internals of NTA objects |
| nta_tag.c | Tags for Nokia SIP Transaction API |
| portbind.c | Bind a socket to an UDP/TCP port and return the port number |
| sofia-sip/nta.h [code] | Nokia Transaction API for SIP |
| sofia-sip/nta_stateless.h [code] | NTA functions for stateless SIP processing |
| sofia-sip/nta_tag.h [code] | NTA tags |
| sofia-sip/nta_tport.h [code] | Transport and SigComp handling |