Interfaces

• Analog Signaling: 4 ports, FXS, FXO loop-start
• Network Interface: 10/100 BASE-T, RJ-45

Media Capabilities

• Voice Coders: G.711 (A-law and µ-law), G.723.1, G.726, G.727, G.729A/B, G.722 
• VoIP Features: G.168-2004 echo cancellation, silence detection and comfort noise generation, dynamic programmable jitter buffer 
• Call Progress Tones: Programmable detection and generation tones, pre-recorded tones generation 
• DTMF: In-band and out-of-band signaling, RFC 2833, SIP INFO/NOTIFY 
• Fax Over IP: Group 3/super G3 fax over IP, T.38 relay, automatic switching to G.711

IP Networking and Telephony Protocols

• VLAN: 802.1 p/Q VLAN tagging 
• IP Transport: IPV4/IPV6*, DiffServ, TOS 
• Control Protocols: SIP (RFC 3261) over UDP, TCP and TLS (1.2) 
• Media Protocols: RTP (RFC 3550), SRTP (RFC 3711), RTCP (RFC 3550), RTCP-XR (RFC 3611)

Management Protocols

• OAM&P:
  - Web GUI, SSH/Telnet, SNMP v2/v3, INI file
  - AudioCodes’ One Voice Operation Center
  - User authentication and access control via RADIUS
• Automatic Configuration:
  - Zero-touch provisioning
  - Configuration/firmware download via HTTP(s), FTP and TFTP
  - DHCP-based provisioning - options 66, 67 and 160
  - VLAN ID discovery using LLDP
• Voice Menu: Basic configuration using standard touch-tone phone (MP-11x only)

Survivability During Network Failure

• PSTN Fallback: PSTN fallback upon power failure, IP connection failure, customer-defined IP QoS thresholds (MP-114 and MP-118) 
• Survivability: Stand Alone Survivability (SAS) for 25 SIP users

Analog Telephony Features

• 3-Way Conference: On-board 3-way conference 
• MWI: Message Waiting Indication: High (neon) and low (LED) voltage, FSK, stutter dial tone 
• Caller ID: Bellcore GR-30-CORE Type 1 using Bell 202 FSK modulation, ETSI Type 1, NTT, Denmark, India, Brazil, United Kingdom and DTMF ETSI CID (ETS 300-659-1) 
• Polarity Reversal/Wink: Immediate or smooth to prevent erroneous ringing 
• Metering Tones: 12/16 KHz sinusoidal bursts, generation on FXS 
• Distinctive Ringing: By frequency (15-100 Hz) and cadence patterns

Subscriber Line Interface

• Ring Voltage: Sine: 54 VRMS typical (balanced ringing only) 
• Ring Frequency: 25-100Hz 
• Maximum Ringer Load: REN3 
• Loop Impedance: Up to 1,500 ohm for the MP-11x, up to 1,600 ohm for the MP-124 (including phone impedance)
• Line Current: Up to 32 MA on 4 ports

Physical

• Power: 100-240 V AC/50-60 Hz
• Environmental:
  - Operational: 5 to 40°C (41 to 104°F)
  - Storage: -25 to 85°C (-13 to 185°F)
  - Humidity: 10 to 90% non-condensing
• Dimensions: 42x172x220 mm
• Mounting: Table top, wall mount, rack mount (with an optional shelf)
• Weight: MP-1xx: 0.5 kg (1.1 lbs.) approx.