[Serusers] Managing callerid for incoming PSTN

[dashy dude]

Dear All
I am new to SER and wanted to figure out how to manage
callerid when displayed on a end phone.
I have a E1 line terminating on a Cisco Router which
we use for inbound/outbound calls.
We dial 9 to make a outbound call via this e1.
When a incoming call comes, it displays the callerd as
presented by my operator. 
Now, if the user wants to call back, he cant do by the
menu of callback since dialing out from pstn needs a
digit 9 prefix.

I would like to know if I can prefix 9 before
forwarding call to PSTN so that the callback from the
extension works smoothly.


Thanks in advance.

Vish

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