sorry for the long waiting. Let continue the deployment for Enterprise Voice.
On the Lync Server Control Panel, click Voice Routing, and then click the Voice Policy tab. Click New, and then click User policy. In the Name box, type Singapore International. Select the Enable malicious call tracing check box.
Under Associated PSTN Usages, click New.
On the New PSTN Usage Record page, in the Name box, type Singapore Local, and then click OK. (Repeat the same steps to create two more PSTN usages)
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On the New Voice Policy page, click OK. So now we have create a policy for International Call. now we need to create a policy for Local call only.
Click New, and then click User policy. In the Name box, type Singapore Local. Select the Enable malicious call tracing check box. Under Associated PSTN Usages, click Select.
On the Select PSTN Usage Record page, select the following PSTN usages, Singapore Local and then click OK
we have done for user policy. now is the site turn.
Click New, and then click Site policy. On the Select a site page, select Singapore, and then click OK.
Select the Enable malicious call tracing check box. Under Associated PSTN Usages, click Select. On the Select PSTN Usage Record page, click Singapore Local, and then click OK.
On the New Voice Policy – Singapore page, click OK and click commit.
So we have done the policy, now is the route and trunk configuration.
In Lync Server Control Panel, click Voice Routing, and then click the Route tab and Click New.
On the New Voice Route page, in the Name box, type Singapore Local.
In the Starting digits for numbers that you want to allow: box, type +65, and then click Add. The Match this Pattern field should then display ^\+65.
Next to the Associated gateways box, click the Add button.
In the Select Gateway window, click PstnGateway:x.x.x.x, that you have created and then click OK.
On the Associated PSTN usages table toolbar, click Select. In the Select PSTN Usage Record window, press and hold the Ctrl key, click Singapore Local and then click OK.
On the New Voice Route page, click OK. Apply the same for International Call Route.
In the Lync Server Control Panel, click the Trunk Configuration tab.
Click the New drop-down menu, and then click Site Trunk.
In the Select a site window, click Singapore, and then click OK.
In the Encryption support level drop-down menu, click Optional, Clear the Enable refer support check box.
On the Associated Translation Rules toolbar, click New.
On the New Translation Rule page, in the Name box, type SG PSTN. In the Starting digits box, type +65, In the Length drop-down list, set the length to Exactly 11 and in the Digits to remove box, set the value to 3. Leave the Digits to add box blank.
Verify that the Pattern to match field reads ^\+65(\d{8})$. and verify that the Translation rule field reads $1, and then click OK.
Use this to create one more translation rule.
After you have done this, apply the Voice Policy to the user. And you are all set.

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