viocas slot
$333.00
The T1/E1 modules contain an onboard Cisco Packet Voice Digital Signal Processor Module 4 (PVDM4) slot, which requires a fourth-generation PVDM4 module. slot berhadiah pulsa A PVDM4 on the T1/E1 module is necessary for the voice features The PVDM4 also provides for echo cancellation of up to 128-ms echo-tail length for demanding network conditions
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