June 3, 2015
2:16 p.m.
Remember that SDP answers and offers only concern what the peer wants to receive, and never what it will send. Thus, the vendor has absolutely no obligation to send you RTP after 183+SDP. 18x+SDP as an indicator of forthcoming early media is a convention only, and not a protocol or interoperability requirement. -- Alex Balashov | Principal | Evariste Systems LLC 303 Perimeter Center North, Suite 300 Atlanta, GA 30346 United States Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/