FS-3842 --resolve I think these feilds were recently only made optional when register=true. This should take care of it.

FS-3794 the -1 thing was a syntax err, the 500 err seems to come from a retrans of a notify where the server either lost the 200ok or the phone took to long to send it, that should be harmless, please test this version

add some hooks to be able to cache hits to googles online mp3 apis with mod_httapi e.g. http://(ext=mp3,user_agent='Mozilla/5.0 (X11; Linux x86_64; rv:9.0.1) Gecko/20100101 Firefox/9.0.1')translate.google.com/translate_tts?q=this+is+a+test

switch_rtp: fix audio glitches in jingle streams since ICE packets do not interrupt the RTP stream, we do not want to return a CNG frame when we get one