Directory Number Configurationpage Scroll down to External Phone Number Mask and enter the number that you want to send to the PSTN. Then click Update at the top of the page. You have to repeat this same procedure for the other extensions configured for this IP phone (if you want to send those numbers to the PSTN).
Route Pattern Configurationpage Locate the route pattern that you are using to make calls to the PSTN. Scroll down to the Calling Party Transformations section.
If you check Use Calling Party's External Phone Number Mask, you use the number that you configured in the Directory Number Configuration page as the caller ID.
If you uncheck Use Calling Party's External Phone Number Mask, then you can configure the Calling Party Transform Mask. Enter a number such as113472xxxx (CallManager fills out the xxxx with the phone's 4-digit extension).
Route List Detail Configurationpage Go to the Calling Party Transformations section.
Use Calling Party's External Phone Number Mask If you set this to On, you use the number that you configured in the Directory Number Configuration page as the caller ID. If you set it to Off, then you need to configure the Calling Party Transform Mask (next line on this same page). The setting that you use here overrides the settings that you configured in the Route Pattern Configuration page. You configure the Calling Party Transform Mask here in the same way as explained for the Route Pattern Configuration page.
Also ensure that as i told you before:
In the Cisco Unified Communications Manager Administration Page, choose Service Parameters > CUCM IP Address > CM Service.
Set the CFA CSS Activation Policy as With activating device/line CSS.
Not sure the number that the PTT is expecting from your side, anyway it can guide you through
Cheers Bruno Rangel
Please remember to rate helpful responses using the stars bellow and identify helpful or correct answers .
Cheers Bruno Rangel
Please remember to rate helpful responses using the stars bellow and identify helpful or correct answers
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