Guide to using your CISCO IP 7945 phone at Imperial College
Issued on 11.02.2013 Page 1 of 5 Produced by Karen Vincent
Cisco IP Phone 7945
To make an External business call Dial 9 followed by the full telephone number you require including the
dialling code
To make a personal calls Dial 7 followed by the full telephone number you require including the
dialling code
Please note: Extensions within the college have different classes of service (CoS) which restricts the types of calls you can
make. To find out what the class of service is on an extension, please log a query via
http://www3.imperial.ac.uk/ict/services/telephones/classofservicequery . A list of the different CoS can be found on the same
web link above. To change the CoS, please contact your telecoms rep.
To make internal calls Dial the 5 digit extension you require.
To make cross campus internal Dial the relevant campus prefix followed by the 5 digit extension you
Calls / Global Short Codes require.
See the Internal Call Matrix on
www.imperial.ac.uk/ict/services/telephones/telephoneuserguides
To make a call to a College Mobile/
BlackBerry via its Mobex number Dial the 5 digit mobex number you require.
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