Greetings Everyone, I am trying to implement SIP trunk thru our current data circuit with below call flow. I was able to get the SIP registration with SIP carrier and when I make a inbound call from my cell phone to one of the SIP carrier provided DI...

Greetings All, I am trying to deploy SIP in our environment and I am having some challenges. Call flow is Cisco 4451 CME router connecting to ISP Provider with SIP provider on internet. We have polycome phones which are registered already to 4451 rou...

Hello All, I am a route switch engineer and my voice experience is a beginner, so would like to get some insights on how to migrate from Voice PRI/ISDN to SIP. We have Cisco 4331 CME (used virtual CUE OVA service container) router and Polycom phones....

Hello Everyone, We migrated DHCP service from Windows to Cisco Device (works perfectly fine) but our PXE imaging is broken after migration. I was trying trial and error and found below based on our requirements. Requirements: All devices (Microsoft S...

Hello Guys,   I am trying to migrate DHCP from windows server to IOS device. We have a VLAN with vrf and the requirement is to do MAC address reservation with IP source binding on access layer switch. I am using below config but it does not work, I s...