000 00566nam a2200241Ia 4500
005 20260320200941.0
008 008 262003s9999 xx 000 0 eng d
037 _aEBOOK
040 _aCRL
040 _beng
040 _cCRL
041 _2eng
041 _aeng
084 _qCRL
100 _aJohnston
245 0 _aSIP: Understanding the Session Initiation Protocol
260 _bIEEE
260 _c2000
856 _uhttps://ieeexplore.ieee.org/servlet/opac?bknumber=9106115
942 _cEBOOK
999 _c1717867
_d1717867