Fast Ethernet, IPv4, IPv6, ARP, DNS, SRV, DHCP, PPPoE, ICMP, TCP, UDP, RTP, RTCP, 802.1p, SNTP, SIP,
2-port E&M voice/fax interface card, Refurbished
2 Port Voice Interface Card, Refurbished
ATA 190 Analog Telephone Adapter, 153g, Black
SPA8800 IP Telephony Gateway with 4 FXS and 4 FXO Ports, Refurbished
2-port E&M voice/fax interface card
HP LaserJet MFP Analog Fax Accessory 500
16-channel Packet Voice/FAX DSP Module, Refurbished
2 Port Voice Interface Card
Understanding Foreign Exchange Office Voice Interface Cards
4-port FXS/DID voice/fax interface card, Spare
