![Vtípek on Twitter: "Lučišník ... #vtipek #joke #funny #vtip #humor #zabava #sranda #luk #sip #boj #strelec #lucisnik #bojovnik #vitez #win #ftw https://t.co/nFBBsJgkJx" / Twitter Vtípek on Twitter: "Lučišník ... #vtipek #joke #funny #vtip #humor #zabava #sranda #luk #sip #boj #strelec #lucisnik #bojovnik #vitez #win #ftw https://t.co/nFBBsJgkJx" / Twitter](https://pbs.twimg.com/media/D_53x13W4AAXpuB.jpg)
Vtípek on Twitter: "Lučišník ... #vtipek #joke #funny #vtip #humor #zabava #sranda #luk #sip #boj #strelec #lucisnik #bojovnik #vitez #win #ftw https://t.co/nFBBsJgkJx" / Twitter
![Terence Luk: Initiating an Enterprise Voice call with Lync Server 2013 configured with a SIP trunk to an Avaya PBX generates the error: "Gateway responded with 407 Proxy Authentication Required";component="MediationServer";SipResponseText="Not ... Terence Luk: Initiating an Enterprise Voice call with Lync Server 2013 configured with a SIP trunk to an Avaya PBX generates the error: "Gateway responded with 407 Proxy Authentication Required";component="MediationServer";SipResponseText="Not ...](https://lh4.ggpht.com/-xQy1A-Pb1TM/Ud1nBFKSnFI/AAAAAAAAdE0/yMMoT2Utmp0/image_thumb4.png?imgmax=800)
Terence Luk: Initiating an Enterprise Voice call with Lync Server 2013 configured with a SIP trunk to an Avaya PBX generates the error: "Gateway responded with 407 Proxy Authentication Required";component="MediationServer";SipResponseText="Not ...
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