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Reference: 8621-C12-01/08


Ottawa, 1 December 2008


By email


To: Distribution list


Re: Non-consensus report on the Calculation of Bill and Keep Required Trunk Requirements and the Imbalanced Minutes for the Application of the Imbalance Tariff


On 22 July 2008, the CRTC Interconnection Steering Committee Network Working Group (NTWG) submitted non-consensus report NTRE044 regarding the methodology for determining compensation for traffic imbalances.   Despite having reached consensus on an overall methodology, parties were unable to agree on two particular aspects of the methodology and requested the Commission to provide direction in regards to these non-consensus items.


Commission staff has reviewed all parties' contributions and considers that additional information is necessary.   Accordingly, those companies that submitted contributions to NTWG task number 23, namely Bell Canada, Telus Communications Company, MTS Allstream Inc., Rogers Communications Inc., Distributel Communications Ltd., Telnet Communications and Execulink Telecom Inc., are to submit their responses to the interrogatories in the attachment by 22 December 2008, serving copies to all NTWG meeting members and to all local exchange carriers (as per the attached distribution list).


Other local exchange carriers may, at their option, also submit responses to the attached interrogatories by 22 December 2008, serving copies to all NTWG meeting members and to all local exchange carriers (as per the attached distribution list).


Where a document is to be filed or served by a specific date, the document must be actually received, and not merely sent, by that date.


Yours sincerely,


Original signed by


Mario Bertrand
Acting Director, Competition Implementation and Technology




c.c.: Sam.Yung@TELUS.COM ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; Rob.Sired@TELUS.COM ; ;


Distribution list:


Cogego Cable Canada Inc.             
ISP Telecom Inc.                             
Bell Canada                                         
Mountain Cablevision Ltd.                
Videotron Ltd.                                      
Telus Communications Company  
Bruce Municipal Telephone System  
Maskatel Inc.                                        
Téléphone Drummond Inc.            
Access Communications             
Persona Communications Inc.      
Nexicom Telecommunications Inc.  
Wightman Communications Ltd.   
Bragg Communications Inc.            
Globility Communications Corp.    
Distributel Communications Ltd.   
NRTC Communications                
Shaw Telecom Inc.                            
Huron Telecommunications            
Mornington Communications           
Fido Solutions   Inc.                           
IVIC Télécom                                       
Rogers Communications Inc.       
Tuckersmith Communications      
Telnet Communications                  
Iristel Inc.                                           
Execulink Telecom Inc.                  
DERYtelecom Inc.                          
Câble-Axion Digitel inc.                  
MTS Allstream Inc.                           
Exatel Inc.                                          
Westman Communications Group
Flexity Solutions Inc.                        
Bluewater TV Cable Ltd.                



NTRE044 Interrogatories


1.    For each month over the course of the last year (i.e. from September 2007 to August 2008), provide:

a)   Total imbalance payments paid out to other carriers, by carrier.
b)   Total imbalance payments received from other carriers, by carrier.

2.    Commission staff has developed an alternative to the approaches proposed by parties in regards to the time period basis to use when calculating imbalance compensation.

Staff's proposed approach is as follows:

When there is an imbalance situation, each pair of carriers would determine the daily average peak busy hour traffic for all business days in a month and, in a separate calculation, determine the daily average peak busy hour traffic for all weekend days in the same month.   The higher of the two values, whether it is the weekday average or the weekend average would then be used as the proxy for average peak traffic for the month and applied to the Neil-Wilkinson 1% Medium Traffic Table to determine the number of required trunks.

a)   Comment on the issues, if any, in calculating the peak busy hour period using this approach.

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