Applies to: Exchange Server 2013, Exchange Online
Topic Last Modified: 2012-11-14
When you enable a user for UM and link them to a SIP URI dial plan, two EUM proxy addresses are created. One contains the user’s extension number and the other contains a SIP address for the user. The extension number is used when the user calls in to an Outlook Voice Access number.
SIP URI dial plans and SIP addresses are used when you’re integrating UM and Microsoft Office Communications Server 2007 R2 or Microsoft Lync Server. The SIP address is used by Communications Server or Lync Server to route incoming calls and send voice mail to the user. By default, the SIP address that’s used by UM will be the SIP address that’s used by Communications Server or Lync Server.
You can change the primary SIP address that was added when the user was enabled for UM or a secondary SIP address that was added later, along with the EUM proxy addresses for the user. The primary SIP address you added when the user was enabled for UM will be listed as the primary EUM proxy address. Any additional secondary SIP addresses you added will be listed as secondary EUM proxy addresses. When secondary SIP addresses are changed, callers can leave voice mail for the user at all SIP endpoints that the user is signed in to using the new SIP addresses. All the voice messages will be delivered to the same user’s mailbox.
You can use the EAC or the Shell to change a primary or a secondary SIP address. You can use the Email Address page on the user’s mailbox in the EAC to change a primary or a secondary SIP address. You can’t use the UM Mailbox page in the EAC to change a primary or secondary SIP address.
You can view the primary and secondary SIP addresses for a user by using the Get-UMMailbox cmdlet or the Get-Mailbox cmdlet in the Shell.
For additional management tasks related to users who are enabled for voice mail, see Voice Mail-Enabled User Procedures.
What do you need to know before you begin?
- Estimated time to complete: 3 minutes.
- You need to be assigned permissions before you can perform this
procedure or procedures. To see what permissions you need, see the
"UM mailboxes" entry in the Unified Messaging
- Before you perform these procedures, confirm that a SIP URI UM
dial plan has been created. For detailed steps, see Create a UM Dial
- Before you perform these procedures, confirm that a UM mailbox
policy has been created. For detailed steps, see Create a UM Mailbox
- Before you perform these procedures, confirm that the existing
user is enabled for UM and linked to a SIP URI dial plan. For
detailed steps, see Enable a User for Voice
- Before you perform these procedures, confirm that the SIP
address that will be assigned to the user is valid and formatted
- For information about keyboard shortcuts that may apply to the
procedures in this topic, see Keyboard Shortcuts in
the Exchange Admin Center.
What do you want to do?
Use the EAC to change the primary or a secondary SIP address
- In the EAC, navigate to Recipients >
- In the list view, select the mailbox for which you want to
change a SIP address, and then click Edit .
- On the User Mailbox page, under Email address,
select the SIP address you want to change, and then click
Edit . The primary SIP address is listed in bold letters and
- On the Email address page, in the
Address/Extension box, enter the new SIP address for the
user, and then click OK. If you need to select a new UM dial
plan, you can click Browse.
- Click Save.
Use the Shell to change the primary or a secondary SIP address
This example changes a SIP address for Tony Smith.
|Before you change a SIP address using the Shell, you need to determine the position of the EUM proxy address that you want to change. To determine the position, use the $mbx.EmailAddresses command. The first EUM proxy address is the default (primary) SIP address and it will be 0 in the list.|
$mbx=Get-Mailbox tony.smith $mbx.EmailAddresses.Item(1)="eum:email@example.com;phone-context=MySIPDialPlan.contoso.com" Set-Mailbox tony.smith -EmailAddresses $mbx.EmailAddresses