Caller ID not accepting for incoming calls


I have recently bought TE100 in order to connect with Cisco (E1).

I can call from Cisco user (Ext:) via TE100. But facing an issue for incoming calls. Actually I need to send 14 digit caller ID with leading "+" sign i.e. +880XXXXXXXXXX through the gateway to Cisco (UCM).

Kindly confirm if it is possible to pass the caller ID like: +880XXXXXXXXXX ?
How many digits (for caller ID) are supported by the BOX ?

Also please advise for the necessary configuration change.


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