Andreas Backman schrieb: > Hi! > > > > I?m developing an IM client based on the PJSIP stack and having some > problems with the PUBLISH refresh packets being sent from it. Our server > demands the User-Agent field to be present in the header, with a certain > signature, but PJSIP doesn?t add the UA field when it refreshes the > presence. The UA field is only added when it sends a normal PUBLISH. What kind of weird server is this? regards klaus