The number of calls that can be supported depends on the bandwidth of your Internet connection. A single call uses 64kb/s upload and download. So a broadband connection with 256kb upload/download will support 4 lines. A T1 line with 1.5MB upload/download will support 24 lines. This assumes no other Internet bandwidth is used for other applications. Below is a chart showing how many lines a broadband connection will support.
Use the speed test on Vonage's web site to determine your broadband speed.
ADSL |
256K x 1.5m |
4 lines |
IDSL |
144K x 144K |
2 lines |
SDSL |
192k x 192k |
3 lines |
384k x 384k | 6 lines | |
768k x 768k | 12 lines | |
1.0m x 1.0m | 16 lines | |
1.5m x 1.5m | 24 lines |
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