Before You Begin
Before you can connect to your corporate network using Mobile and Remote Access Through Expressway,
you must have a valid service domain, username, and password. If you do not have this information, contact
your administrator.
You must reset your Network Settings when switching between Mobile and Remote Access Through
Expressway and Cisco Unified Communications Manager modes. This is to clear the Alternate TFTP Server
setting. See the Basic Reset section in the "Maintenance" chapter of this book.
If the DHCP option 150 or option 66 is enabled on your network router, you may have trouble logging in to
the corporate network. Disable DHCP option 150 or option 66 on your router. If you prefer not to disable
these DHCP options, you can configure the static IP address directly.
Procedure
Step 1
Enter your service domain in the Service domain field.
Step 2
Enter your username in the Username field.
Step 3
Enter your password in the Password field.
Step 4
Press Submit.
If you log in successfully, the Mobile and Remote Access Through Expressway sign-in information can be
found in on the Phone Information screen.
Turn Off the Alternate TFTP Server
If you are off-premises but the Mobile and Remote Access Through Expressway sign-in window does not
appear on your phone, the Alternate TFTP setting may be turned on. The Alternate TFTP setting must be set
to Off. To turn off the Alternate TFTP setting, follow these steps.
Procedure
Step 1
ChooseApplications .
Step 2
Choose Admin Settings > Ethernet Setup > IPv4 Setup.
Step 3
Set the Alternate TFTP Setting to Off.
The Alternate TFTP for IPv6 must be set to Off when the phone is in dual mode.
Cisco IP Phone 7811, 7821, 7841, and 7861 User Guide for Cisco Unified Communications Manager 10.0 (SIP)
77
Advanced Operations
Turn Off the Alternate TFTP Server
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