SIP knowledge

SIP Parameters

Sometimes it's difficult to find the latest RFC for a certain parameter.
Search in the following list to build your SIP knowledge:

http://www.iana.org/assignments/sip-parameters

http://www.voip-info.org/wiki/view/SIP+Trunking

http://www.whichvoip.com/voip/sip-trunking-providers.htm