Meridian America 61 User Manual

Provisioning guidelines 3-15

   

   

 

     

 

      

From the appropriate table (See 

 

 6-6 at the end of 

document) determine the number of DTR required and the DTR load for
cutover, two-year, and five-year interval. Record this information on
Worksheet B (located at the end of this document).

The following models are based on some common PBX traffic

measurements:

Table 6-3 is based on 

 following factors:

33% intra-office calls, 33% incoming calls, and 33% outgoing calls

1.5% dial tone delay grade of service

no 

 DID trunks or incoming 

 tie trunks

.

Table 64 is based on the following factors:

assumes same traffic pattern as model 1

the system has 

 DID trunks or incoming 

 tie trunks

Poisson 0.1% blockage grade of service

---

Table 6-5 is based on the following factors:

15% intra-office calls, 28% incoming calls, and 56% outgoing calls

1.5% dial tone delay grade of service

no 

 DID trunks or incoming 

 tie trunks

Table 6-6 is based on the following factors:

assumes same traffic pattern as model 3

the system has 

 DID trunks or incoming 

 tie trunks

Poisson 0.1% blockage grade of service

System engineering 553-3001-l 51