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Intra-site and Inter-site dialing using Translation Pattern

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meddane
Frequent Contributor

Translation pattern is a powerful tool to perform digit manipulation in CUCM for calling party or called party.

Translation pattern is similar to route pattern, however with a route pattern, when the dialed digits match the route pattern, CUCM routes the call to a gateway or through a SIP trunk, with translation pattern when the dialed digits match a translation pattern, CUCM does not route the call to a gateway or SIP trunk; instead, it performs the translation first, the resulting pattern is then re-analyzed by the system in the call routing. The new pattern may match another translation pattern and so on, finally if there is no other translation pattern, then the system routes the call or the resulting pattern through a route pattern if a match is found.

The translation pattern is useful in a distributed deployment with multisite and each site has a unique site code.

In this example, we have the following requirements:

  1. The Directory Number of the phone should be the PSTN Number with E.164 format.
  2. Within the same cluster, the users should use the four last digits, the internal directory number, Site-1 2XXX and Site-2 3XXX. When user at HQ Phone 1 makes a call to HQ Phone 2, he dials four digits 2002.
  3. For inter-cluster calls, the users should use six digits, site cote + four last digits, Site code of Site-1 81, Site code of Site-2 is 82. When user at HQ Phone 1 makes a call to BB Phone 1, he dials six digits 82 3002

Access the HQ-CUCM at Site-1 with IP address 10.1.5.15.

 

For intra-cluster calls.

Site-1 : Create a translation pattern with a pattern 2XXX.

UNITY1.PNG

In the Calling Party Transform Mask enter XXXX.

In the Called Party Transform mask, use +1201201XXXX.

UNITY2.PNG

The result of this translation pattern, is that when a user at Site-1 with +12012012001 dials 2002 for example, the dialed digits will be translated to the Directory Number +12012012002 because the Called Party Transform Mask and the phone rings. The calling number 2001 will be displayed because the Called Party Transform Mask.

 

For inter-cluster calls.

Site-1 : Create a translation pattern with a pattern 81XXXX.

UNITY3.PNG

In the Calling Party Transform Mask enter 82XXXX.

In the Called Party Transform Mask enter +1201201XXXX.

UNITY4.PNG

The result of this translation pattern, is that when a user at Site-2 with +13013013001 dials 812001 for example, CUCM at Site-1 receives a call with called number 812001, the dialed digits will be translated to the Directory Number +12012012001 because the Called Party Transform Mask and the phone rings. The calling number 823001 will be displayed because the Called Party Transform Mask.

Repeat the same steps for BB-CUCM at Site-2 with IP address 10.1.5.20.

 

For intra-cluster calls.

Site-1 : Create a translation pattern with a pattern 3XXX.

UNITY6.PNG

In the Calling Party Transform Mask enter XXXX.

In the Called Party Transform mask, use +1301301XXXX.

UNITY6.PNG

 

The result of this translation pattern, is that when a user at Site-2 with +13013013001 dials 3002 for example, the dialed digits will be translated to the Directory Number +13013013002 because the Called Party Transform Mask and the phone rings. The calling number 3001 will be displayed because the Called Party Transform Mask.

For inter-cluster calls.

Site-2 : Create a translation pattern with a pattern 82XXXX.

UNITY7.PNG

In the Calling Party Transform Mask enter 81XXXX.

In the Called Party Transform mask, use +1301301XXXX.

UNITY8.PNG

The result of this translation pattern, is that when a user at Site-1 with +12012012001 dials 823001 for example, CUCM at Site-2 receives a call with called number 823001, the dialed digits will be translated to the Directory Number +13013013001 because the Called Party Transform Mask and the phone rings. The calling number 812001 will be displayed because the Called Party Transform Mask.

UNITY15.PNG

Test the intra-cluster calls.

From HQ Phone 1, dial 2001.

 UNITY9.PNG

From BB Phone 1, dial 3002.

UNITY10.PNG

For inter-cluster calls.

From HQ Phone 1, dials 823001.

UNITY11.PNG

 UNITY12.PNG

From BB Phone 1, dials 812001.

UNITY13.PNG

UNITY14.PNG

 

 

 

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