Mục được đánh dấu với thẻ "E1-T1-J1 ISDN":

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12 Mỗi trang
$1342.00
Grandstream, VoIP Gateways
The GXW4501 VoIP Gateway that provides 1 software configurable E1/T1/J1 spans and support 30 concurrent calls.
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$2281.00
Grandstream, VoIP Gateways
The GXW4502 VoIP Gateway that provides 2 software configurable E1/T1/J1 spans and support 60 concurrent calls.
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$4014.00
Grandstream, VoIP Gateways
The GXW4504 VoIP Gateway that provides 4 software configurable E1/T1/J1 spans and support 120 concurrent calls.
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