AudioCodes Mediant 1000, Rack mounting, G.711, G.723.1, G.726, G.729A, iLBC, Celeron 600 MHz, 600 MHz, 512 MB, Telnet, SNMP V2/V3, TFTP, HTTP, HTTPS, DHCP, BootP, RADIUS AudioCodes Mediant 1000. Mounting type: Rack mounting. Voice codecs: G.711, G.723.1, G.726, G.729A, iLBC. Built-in processor: Celeron 600 MHz, Processor frequency: 600 MHz, Internal memory: 512 MB. Management protocols: Telnet, SNMP V2/V3, TFTP, HTTP, HTTPS, DHCP, BootP, RADIUS, Data link protocols: CAS: MF-R1: T1 CAS, ISDN PRI: ETSI/EURO ISDN, ANSI NI2,QSIG. Security algorithms: HTTPS, SRTP, Authentication method: RADIUS