I have a few Mitel 5330 IP phones running SIP firmware as well as Grandstream IP Phones and when making an external call, the screen shows CID: (My external Number / CID) which then blocks the number I have dialled whilst on the phone. As A few times I have been on the phone I have needed to know the number I have been on to and not been able to due to it showing my caller ID. Is this possible to change to only display the number I have dialled instead of showing me my external number?
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Try turning off Send Connected Line for the extension. That will probably fix your issue, but may omit other display updates that you want.
Where would I be able to turn off Send Connected Line
In the FreePBX admin GUI, go to Applications -> Extensions, click the edit button for the extension you wish to change. Click the Advanced tab.
For a pjsip extension, set Send Connected Line to No.
For a chan_sip extension, set Send RPID to No.
Click Submit. Click Apply Changes. Test.
I would disable connected line / rpid for the trunk.
I remember having the same issue and had to change the following settings in the Advanced Settings:
If you set the “Display CallerID on Calling Phone” to No, it will then not show the number you’re dialing out on. I had an issue with S400s where they only show one line of CID, hence it would only show the outgoing CID they were dialing out. Once I set it to No and set the next setting “Display Dialed Number on Calling Phone” to Yes, it would then show the outgoing number they dialed.
Hope this helps.
Chris
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