4 Port Upgrade for DV2000-U / DV4-U - digital integration - requires 32 bit 5 volt or 3.3 volt slot on PCI motherboard backplane.
| TelephoneStuff.com | |
|---|---|
| Product Category | Automated Voice Answering Systems |
| Product Number | DVUP4-D42JCTU |
| Product Name | DuVoice 4 Port Upgrade for DV2000-U Unified Messaging.. |