| 81.18. How to configure Last Calling Service | ||
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 | Chapter 81. HowTo - CTI system |  |
| 81.18. How to configure Last Calling Service | ||
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| | Chapter 81. HowTo - CTI system | |
Assuming to have an UMTSBOX (ports 501,502), let's configure the Last Calling Service so that a call received by the SIM inserted in the port # 501 of the UMTSBOX is routed to the last number which called the calling number.
Enter into the Abilis control-program or open the configuration file with the Console configurator and type the following commands.
| a lcsg id:1 cb-permit-cd:* | Configure the LCS group. |
| s ctip:501 lcs-group:1 | Configure the LCS group. |
| init ctisys | Initialize the parameters of CTI ports and the LCS groups. |
CTI routing configuration:
| a ctir pr:0 poi:pbx out:501 cdi:?* sp:64000 lcs:yes lcst:6 descr:From_PBX_to_UMTSBOX | Add a CTI rule to route a call incoming from PBX to UMTSBOX. |
| a ctir pr:1 poi:501 out:pbx cdi:* sp:64000 descr:From_UMTSBOX_to_PBX | Add a CTI rule to route a call from UMTSBOX to PBX. |
| init ctir | Initialize the CTIR resource. |
| save conf | Save the configuration. |
![[Warning]](../images/warning.png) | Warning |
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Last Calling number Service requires a separate licence. |
![[Tip]](../images/tip.png) | Tip |
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Check the LCS table to verify the association between calling and called number. |
| Tip |
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Interesting chapters: |
| |  | |
| 81.17. How to configure CTIDISA to implement a responder |  | 81.19. How to configure DATA CALL BACK using a UMTS-BOX or LTE-BOX, calling an ISDN number |