MGCP is a master/slave protocol that allows a call-control device (such as Cisco UCM) to control and track the state of each voice port on the gateway, and there two things you need to know about MGCP Protocol. Master/slave protocol:
Cisco Phone registration pass through well know steps, and to have systematic way of troubleshooting phone registration , first we need to know this List as below Power CDP “Network discovery Protocol” DHCP TFTP Phone registration
Strange behavior, right 😀 You might face this issue one day like what I saw today Customer called and said : “Eslam, I can’t use my Cisco Jabber to make phone calls either in the office or outside”
Eslam Rizk
