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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Integrated loudspeaker power amplifier
Easy focus function
Peak packet rate: 14
Single Line Extension Card w/ Caller ID
VELCRO is a registered trademark of Velcro Industries B
REFURBISHED: NetVanta 644 – 4 T1/E1 SIP gateway, Part# R1700144G1 IP Secure Talkback speaker Integrated loudspeaker power amplifierREFURBISHED: NetVanta 644 4 T1 E1 SIP gateway. Includes 4 T1 E1 interfaces and 210 100 1000 Ethernet interfaces. Supports VoIP applications using SIP. Includes G. 168 Echo Cancellation and support for G. 711 and G. 729 CODECs and supports up to 120 simulate
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