| Exam 300-070 | Question id=3785 | Describe the Basic Operation and Components Involved in a Call |
If an IP phone loses connectivity with its primary server and registers with its backup server, what happens when
connectivity to the primary server is restored?
| A. |
The IP phone will try to re-establish a connection to the primary server every 90 seconds. | |
| B. |
The IP phone will continuously try to re-establish a connection with the primary server; if successful, the IP phone will re-register with the primary. | |
| C. |
Once the IP phone registers with the backup server, the administrator will need to reset the IP phone for it to re-register with the primary server. | |
| D. |
Once connectivity is re-established with the primary server, the IP phone will wait until there have been three successful TCP keepalive exchanges before it will re-register with the primary server. |