explain the details the message exchange in the figure above setup call proceeding a 5151314


Explain the details the message exchange in the figure above
Setup Call Proceeding ARQ Alerting Connect H.245 Establishment Media Exchange H.245 Release Release Complete DRO DCF Explain the details the message exchange in the figure above Setup Call Proceeding ARQ Alerting Connect H.245 Establishment Media Exchange H.245 Release Release Complete DRO DCF

"Get 15% discount on your first 3 orders with us"
Use the following coupon
FIRST15

Order Now