If you have someone overseas you are going to send the ATA to (as someone mentioned their girlfriend was in the Netherlands..), have them try this link first:

www.testyourvoip.com

If their scores come out OK, their broadband is fast enough and Vonage will work. This way you know how the service will work from their end. Actually, it's good idea for ANYONE considering Vonage service to run that link first.

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'83 300SD 335,000km (207k) mi SOLD
'87 560SL 163,000km (101k mi) SOLD
'86 300SDL 356,000km (220k mi) SOLD
'92 500SEL 250,000km (155k mi) SOLD
'90 300SL 140,000km (87k mi) SOLD
'01 S430 260,000km (161k mi) SOLD
'03 SL500 167,000km (104k mi) SOLD
'07 S550 4MATIC 235,000km (146k mi) SOLD
'07 GL320 CDI 4MATIC 348,000km (215k mi)
'13 GL350 BlueTec 4MATIC 170,000km (105k mi)
'14 SL550 72,000km (43k mi)