Terminal device with Standard SIP 2.0 protocol, highly commonality and fit to global extension. Supports SIP 2.0, TCP/UDP/IP, RTP/RTCP, ICMP, ARP/RARP, NTP, PPPoE, TFTP, HTTP, etc Supports G. 711 (alaw and u-law), G. 723.1 (5.3K/6.3K), G. 726 (40K/32K/24K/16K), G. 728, G. 729A...
Products: cisco wan router,
cisco router cables