I was interested in the claims by TelstraClear for cheapest home phone and calling (from both their flyers and their new TC ad, based on their "Best" campaign)
Compared to Telecom and for low and high users compared to Vodafone - Commerce Commission Telecommunications Report March 2008
While I'm not dismissing this claim completely (as it is on the ComCom website [pdf]), but TelstraClear have some high landline pricing (as well as a high standard Mobile rate - $0.71/min!), which made me curious.
So I whipped up a spreadsheet today and created two sets of graphs, one for base plan price and the other based on call volume distribution provided by Telecom which is in the ComCom pdf above.
(Want the spreadsheet? I'll upload it if comments say so and probably later on, as I'm watching the Olympics online - JPN v.s. NZ womens soccer)
Here is the number key for the charts (as I can't fit in everything):
| Company | Plan | Price | |
| 1 | Compass Communications | Homeline (Wellington 04 calling region, Christchurch city and most suburbs) | $37.05 |
| 2 | Compass Communications | Homeline (in all other areas) | $44.85 |
| 3 | Orcon | Homeline | $45.00 |
| 4 | Slingshot | Homeline | $44.95 |
| 5 | Snap Internet | Snap Voice - Christchurch/Wellington | $36.00 |
| 6 | Snap Internet | Snap Voice - Rest of NZ | $42.00 |
| 7 | Telecom New Zealand | Homeline (Wellington 04 calling region, Christchurch city and most suburbs) | $37.05 |
| 8 | Telecom New Zealand | Homeline (in all other areas) | $44.85 |
| 9 | Telecom New Zealand | Anytime (Auckland city, Wellington 04 calling region, Christchurch city and most suburbs) | $42.40 |
| 10 | Telecom New Zealand | Anytime (in all other areas) | $47.85 |
| 11 | TelstraClear | Homeplan Phoneline Basic | $44.49 |
| 12 | TelstraClear | Homeplan Phoneline | $49.99 |
| 13 | TelstraClear | InHome Phoneline | $35.95 |
| 14 | Vodafone New Zealand | Home phone (in some regions) | $37.00 |
| 15 | Vodafone New Zealand | Home phone | $42.50 |
| 16 | Vodafone New Zealand | Home phone plus (local plan) | $25.00 |
Base plan pricing:
RED = Selected areas only
GREEN = Utilises mobile network
Total usage price:
Under 1200 minutes
Up to 12000 minutes
(Do note that it is a minutes - price graph, where minutes is at the bottom and price on the left)
I have used the numbers from the Telecom call volume to calculate the total pricing from mobile, national, and international, which is made in to a proportion of a minute multiplied by the rate and multiplied by minutes.
Do note that the cheapest price to a major international country is used.
[There is currently an error with TelstraClear InHome Phoneline - I missed the discounts, will update soon]
You can see that Vodafone's Home phone plus isn't that cheap after around 200-500 average minutes (you can see the bottom red line) which makes Snap's offering (5, 6) the cheapest out of them all.
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