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Lines & Services: Class of Service Options

Each line is assigned a Network Class of Service (NCOS) that controls the types of calls that can be made from that line. To allow a user to dial all domestic and international numbers at any time, for example, choose NCOS code number 1 (the default NCOS). Or if you want to restrict phone lines on courtesy telephones in public areas, NCOS codes 12 or 19 will more likely meet your needs. Our most commonly used NCOS options are listed below. Additional options are available for special circumstances.

Unless noted, all NCOS permit incoming calls, call transfers, and calls to University operators. All lines are blocked from making calls to 900/976 numbers. All lines permit emergency dialing.

To change one or more dialing restrictions for a line, contact your TSP (Telephone Support Provider).


Class of Service Options for PennNet Phone Service
Name NCOS Permissions Restrictions Suggested Uses
Unrestricted Domestic and International
1
International
Domestic
Local/Metro
Philadelphia
Campus
Toll free
No calls to 900/976 Administrators with overseas contacts

Faculty with international collaborators
Domestic Unrestricted
2
Local
Metropolitan
US Long distance
Toll free
No international direct dialing calls
No calls to Operator (9 +0)
No calls to 900/976
Administrative users
Philadelphia Metropolitan Area
3
Local calls to 610 & 215
Toll free
No 1+ calls (except some 610)
No calls to Operator (9 + 0)
No calls to 900/976
 
Philadelphia Only
4

Philadelphia only
Toll free
No calls outside city
No calls to Operator (9 + 0)
No calls to 900/976
 
Campus Only
9
Outgoing calls to other campus phone numbers
No 9 + calls
No calls to 900/976
Hallway courtesy phones


If your office or department uses Meridian Business Sets (MBS), you can maintain even more control over calls made on your phone lines by combining Network Class of Service options with MBS's Authorization Code line feature.

Authorization codes can be assigned to phone users to allow you to restrict not only by type of call (the NCOS restriction), but also by the caller (only those using an authorization code can call out).

To change one or more dialing restrictions for a line, contact our customer service team and ask to speak to one of our Voice Consultants.

Class of Service Options for Traditional Phone Service
Name NCOS Permissions Restrictions Suggested Uses
Unrestricted Domestic and International
1
International
Domestic
Local/Metro
Philadelphia
Campus
No calls to 900/976 Administrators with overseas contacts

Faculty with international collaborators
Domestic Unrestricted
2
Local
Metropolitan
US Long distance
No international direct dialing calls
No calls to Operator (9 +0)
No calls to 900/976
Administrative users
Philadelphia Metropolitan Area
3
Local calls to 610 & 215 No 1+ calls (except some 610)
No calls to Operator (9 + 0)
No calls to 900/976
 
Philadelphia Only
4

Philadelphia only
No calls outside city
No calls to Operator (9 + 0)
No calls to 900/976
 
Unrestricted
(Authorization Code Required)
5
International
Local
Metropolitan
US Long distance
No calls to 900/976  
Domestic Unrestricted
(Authorization Code Required)
6
Local
Metropolitan
US Long distance
No international direct dialing calls
No calls to Operator (9+0)
 
Philadelphia Metropolitan Area
(Authorization Code Required)
7
Local calls to 610 & 215 No 1+ calls (except some 610)
No calls to Operator (9 + 0)
 
Philadelphia Only
(Authorization Code Required)
8
Philadelphia only No calls outside city  
Campus Only
9
Outgoing calls to other campus phone numbers No 9 + calls
No calls to 900/976
Hallway courtesy phones
Local and Toll Free Calling Only
19
215, 484, 267, 610, 800, 887, 888 area codes Authorization code required for all other calls Conference area courtesy phones (no billable calls)

Used by faculty/staff to easily track (and charge to grants) any authorized long distance calls


 

Page updated on September 18, 2013



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