IP Telephony and Phones

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Hi All, I am in SRST mode, my 2 phones are correctly registered on VoIP GW /Routr(ISR4331) but I get following error from ISR4331: No matching outgoing dial-peer DN are 60401 & 60402(correctly SIP registered) Below my config FIX1-VPN-RTR#sh dial-peer...

Hello Everyone,I need some help in setting up SIP Trunk on CME to send and receive all calls (local, domestic & international)here is a copy of the voice related setting that I have:ip dhcp excluded-address 10.10.20.1 10.10.20.20!ip dhcp pool Voicene...

I have a "just double checking" kind of question.  Does swapping the active/inactive phone loads in CUCM Device Defaults cause the phones to reboot and get the new firmware?  I have the new firmware staged and ready to swap but wanted to double check...

Tony C by Level 1
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I am in charge locally of the safety and security of a college location.  We have 7945 phones installed here in every office and classroom.  In an emergency, I need to contact "everyone" and inform them of the problem.  I need to know how to do this ...

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