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MTA 6328-8 Specifications
Next Generation VoIP CPE Devices For Broadband Service Providers
Features| Specifications |Datasheet


A. RJ-11 ports
B. Restore button
C. LAN port
D. WAN port
E. Power


Product Specifications

Category Specifications
Telephone Interface 8 FXS voice ports
Network Interface 10/100 Base-T RJ-45 Uplink and Downlink ports
Accessory Ethernet Cable, AC/DC Power Adapter


Software Specifications

Category Specifications
Protocols SIP 2.0*, MGCP 1.0, NCS 1.0
Speech Codec Capabilities G.711 and one of the following
G.723.1, G729A (Low bit rate codecs)
Supports 3-way conferencing with compression
IEEE 802.1p/q; IP TOS Tagging; Built-in Priority Switch; Data Bandwidth Control; Adaptive jitter buffer
Signal Processing – Echo cancellation
– Silence suppression
– T.38 Fax (or fall-back to G.711)
– Caller ID FSK signal regeneration
– /Polarity reversal
– 16 Khz metering pulse (MGCP only)
Certification FCC part 15A; CE
Tone -Ring back tone
– Busy tone
– Reorder tone
– Dial tone
– Off hook warning tone
– Call waiting tone
– Message waiting tone (MWI)/Stutter tone
DTMF Tone DTMF tone detection and generation/RFC2833
Announcements Play out any voice stream sent by Call Agent or controlled announcement server; Device IP announcement (SIP only)
OAM&P Implemented:
– Works with any SNMP (v.1, v.2c, v.3)-based EMS
– Offers web-based access as well as HTTP, Secured HTTP, or TFTP-based download/upgrades
– Provisionable set feature codes
Features Multiple Line Profiles (SIP only)
STUN NAT traversal (SIP only)
RTCP-XR (SIP only)


Physical Specifications

Category Specifications
Power Consumption Talk is DC 12V @ 1.6 Amps (19.2W)
Idle is DC 12V @ 0.4 Amps (4.8W)
Loop Current Loop resistance of 520O@ 23 mA
Ring Voltage > 40 VRms @ 2000 ft.
5 REN max. per port, 16 REN total aggregate
24 AWG loop
Power Supply Output: DC 12V, 4 Amps;
Input: AC 100~240V/50~60Hz
Dimensions 1.511 in (H) x 9.897 in (W) x 7.181 in (D) / 38.4mm (H) x 251.4mm (W) x 182.4mm (D)
Operating Temperature 32ºF to 104ºF (0ºC to 40ºC)
Storage Temperature -4ºF to 158ºF (-20ºC to 70ºC)
Operating Humidity 10 to 90% RH
Storage Humidity 5 to 95% RH
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